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Barrett 4090 HF SDR, Operating And Installation Manual

The Barrett 4090 HF SDR is a cutting-edge radio system offering high-frequency capabilities. Discover its advanced functionality with the Operating and Installation Manual, available for free download on our website. This comprehensive manual provides step-by-step instructions to optimize your experience with the product, ensuring seamless installation and operation.

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102

BARRETT PRC-4090 TACTICAL HF SDR TRANSCEIVER - ADVANCED OPERATION

Frequency Hop Rate

The Frequency Hop Rate changes the number of hops per second used by the 

encrypting algorithm.

Select either Standard (5 hops per second) or High (25 hops per second).

OEM Secure Type

This displays whether a scrambler has been installed and the name of the 

scrambler.

If keys are installed, keys can be selected from this menu.

This setting indicates whether the OEM Selcall Privacy Key is active.

Frequency Hop PIN

The Hopping PIN (if the Frequency Hopping Option is enabled on the trans-

ceiver) is 8 digits long and is usually provided by a network administrator. The 

Hopping PIN determines the Hop bandwidth. For instance:

Hopping PINs 00000000 to 19999999 are used for hopping ± 2 kHz

Hopping PINs 20000000 to 49999999 are used for hopping ± 16 kHz

Hopping PINs 50000000 to 99999999 are used for hopping ± 128 kHz

Hopping up to ± 2 kHz is useful for narrow band antennas in situations such as 

antenna tuners in manpack operation.

Hopping up to ± 128 kHz can be used with wideband antennas such as base 

station broadband antennas.

Please note that all transceivers that wish to communicate via Hop-

ping need to have the same Hopping PIN and frequency hop rate 

configured.

Note that once entered, the PIN can never be retrieved or viewed for 

security reasons.

OEM Secure Key

Use OEM Selcall Privacy Key

OEM Selcall Privacy Key

Turning this on allows data type Selcalls (Pagecall, GPS, Status, Telcall) on OEM 

channels to be encrypted with DES-56 encryption. 

See page 31 for more information on OEM Selcall.

Summary of Contents for 4090 HF SDR

Page 1: ...Operating and Installation Manual Barrett PRC 4090 Tactical HF SDR Transceiver 4090 00 02 01 Barrett Communications s w v1 8 ...

Page 2: ......

Page 3: ... Series transceivers have been evaluated and comply with the Federal Communications Commission FCC RF exposure limits for the General Population Uncontrolled exposure environment In addition the transceivers have been designed to comply with the following standards and guidelines FCC 96 326 Guidelines for Evaluating the Environmental Effects of Radio Frequency Radiation FCC OET Bulletin 65 Edition...

Page 4: ...he antenna s used with this Transceiver should be located at least 6 metres from the operator and should not be co located or operating in conjunction with any other antenna or trans mitter For IC and FCC compliance when the PRC 4090 transceiver is used in a vehicular environment at a power level of 150 watts PEP with 1 5 dBi gain antenna the antenna s used with this transceiver should be located ...

Page 5: ...ed in the installation and to insure in a vehicular environ ment that the transmitter is only used when persons outside the vehicle are at least the recommended lateral distance away The image below shows an example of minimum recommended separation dis tance from antenna in a vehicular environment 1 3 M 1 3 M 1 6 M 2019 Automatic Tuning Mobile HF Antenna 2018 Mobile Magnrtic Loop HF Antenna Note ...

Page 6: ...vi ...

Page 7: ...eiver 18 Keypad 18 Display 19 Swipe Menu 21 Status Info 23 Antenna Type 24 Selecting a Channel 25 Making a Voice Call 26 Making an Emergency Call 27 Receiving an Emergency Call 28 SELCALL 3 29 Overview 30 Important Selective Calling Information 31 Summary of Calling Systems 32 Setting up a Self ID 33 Setting up Contacts 34 Additional Contact Information 36 Making a Selcall 37 ...

Page 8: ...tion 51 Status Call 52 Secure Call 53 Hangup Call 55 Selcall Networks 56 BASIC SETTINGS 4 59 System Information 60 Head Device ID 60 Serial Number 60 Version Information 60 Transceiver Options 61 Configuration Pack Information 61 SDV 4026 Serial Number 61 General Settings 62 Audio Settings 63 Display Settings 64 PROGRAMMING 5 65 Channel Programming 66 ...

Page 9: ...Audio Bandwidth 77 Line Audio 78 Line Follows Digital Voice 78 Line Out Level 78 Line In Level 78 Audio Record 78 Custom Filter Bandwidth 78 Collective Call 79 Digital Voice Encoding 80 Export 81 Frequency Hopping 82 Selecting the Hopping Band 82 Entering the Hopping PIN 82 Enabling and Disabling Hopping 82 GPS Push 83 GPS Push State 83 Privacy Key 83 IO Settings 84 RS232 Connection 84 ...

Page 10: ... Mute 88 Network 90 Noise Reduction NR 93 RF Settings 94 Rx Preamp 94 Tx Over Beep 94 Tx Timeout 95 Noise Blanker 95 Tx Power Level 95 AGC Hang 95 Broadcast Filter 95 Scanning 96 Scan Settings 97 Secure Display Mode 100 Security Settings 101 Use OEM Selcall Privacy Key 102 OEM Selcall Privacy Key 102 Frequency Hop PIN 102 Frequency Hop Rate 102 OEM Secure Type 102 ...

Page 11: ...oise OTAZ 104 Zeroise 104 Remote Access Password 104 Stealth Mode 105 Theme Schedule 106 Tuning 107 Zeroise 108 INSTALLATION 7 109 Introduction 110 Installing a Secondary Control Handset 111 Manpack Installations 112 Control Handset Mounting 113 Battery Pack 114 Tactical Antenna Options 119 Tactical Broadband Dipole Antenna 2090 02 03 124 Tactical Tuned Wire Dipole Antenna 2090 02 01 127 Mobile In...

Page 12: ...lling the Cooling Fan 156 Connection Diagram 157 Site Selection Recommendations 159 Antennas 161 912 Multi wire Broadband Dipoles 161 4017 Automatic Tuning Horizontal Dipole Antenna 163 4011 Automatic Antenna Tuner for Base Station Installations 166 Marine Installations 179 APPENDICES 8 184 Appendix 1 Specifications 185 Appendix 2 Connectors 189 Appendix 3 Overview of HF Operation 207 Appendix 4 B...

Page 13: ...1 INTRODUCTION 1 This chapter contains the following sections Introduction Terms and Abbreviations The Barrett PRC 4090 HF Transceiver Overview ...

Page 14: ...ures such as Selcall Telcall scanning mute status alarm system etc can be individually enabled or disabled for every channel as required to suit your operation The Barrett PRC 4090 Transceiver caters for increased use of HF data transmis sion for Internet email access and point to point data applications by providing a comprehensive data modem interface port high speed transmit to receive switchin...

Page 15: ...l describes all the features of the PRC 4090 HF SDR Transceiver and that some variants of the PRC 4090 may not have all the features installed Illustrations may show accessories optional equipment or other features which are not part of the standard specifica tion and are not available in individual countries ...

Page 16: ...n CW Continuous Wave used for Morse code dB Decibels dBm Power ratio in decibels dB of the measured power refer enced to one milliwatt mW DSP Digital Signal Processing ESU Encryption Synchronisation Unit FHSS Frequency Hopping Spread Spectrum GPS Global Positioning System HF High Frequency INT International Selcall format LCD Liquid Crystal Display LSB Lower Sideband LUF Lowest Usable Frequency MU...

Page 17: ... A list of channels used when scanning for incoming calls Selcall Selective Calls SCF Suppressed Carrier Frequency SDR Software Defined Radio SDS System Docking Station SSL Signal Strength Level Station ID The ID of the station being called the receiving station s Self ID Self ID The programmed address identification number of a local station Used by other stations to call you SMS Short Message Se...

Page 18: ...F EMERG ON Z 7 6 10 1 PRC 4090 HF SDR Transceiver P N 4090 00 01 2 PRC 4090 16Ah battery pack P N 4090 03 05 3 Earth stud 4 Whip antenna connection 5 50 Ohm antenna connection 6 LED status indicator 7 On Off Emergency and Zeroise switch 8 PRC 4090 Control Handset connector 9 H250 Handset connector 10 Battery indicator 11 Battery charger connector ...

Page 19: ...ransceiver P N 4090 00 01 2 PRC 4090 System Docking Station P N 4090 05 00 3 PRC 4090 Anti vibration plate P N4090 05 07 4 Earth stud 5 Whip antenna connection 6 50 Ohm antenna connection 7 LED status indicator 8 On Off Emergency and Zeroise switch 9 PRC 4090 Control Handset connector 10 H250 Handset connector 11 RF Connector from 50 Ohm output ...

Page 20: ...1 5 6 7 8 9 4 1 PRC 4090 Transceiver P N 4090 00 01 2 PRC 4090 System Docking Station P N 4090 05 00 3 PRC 4090 Anti vibration plate P N 4090 05 07 4 Ground 5 Coaxial connection RF out 6 ATU Connector 7 Aux PRC 4090 Control Handset connector 8 Ethernet connection RJ45 9 DC in 11 V to 28 V DC ...

Page 21: ...0 Transceiver P N 4090 00 01 2 PRC 4090 System Docking Station P N 4090 05 00 3 PRC 4022 Power Supply P N 4090 06 01 4 Earth stud 5 Whip antenna connection 6 50 Ohm antenna connection 7 LED status indicator 8 On Off Emergency and Zeroise switch 9 PRC 4090 Control Handset connector 10 H250 Handset connector 11 RF Connector from 50 Ohm output ...

Page 22: ...10 BARRETT PRC 4090 TACTICAL HF SDR TRANSCEIVER INTRODUCTION Base Station Configuration rear ...

Page 23: ...4090 System Docking Station P N 4090 05 00 3 PRC 4022 Power Supply P N 4090 06 01 4 Ground 5 Coaxial connection RF out 6 ATU 7 Aux PRC 4090 Control Handset connector 8 Ethernet connection 9 DC in 11 V to 28 V DC 10 DC out 24 V DC 11 Auxiliary out 13 8 V DC 12 AC in 100 240 V AC 13 Battery backup 13 8 V DC ...

Page 24: ...12 BARRETT PRC 4090 TACTICAL HF SDR TRANSCEIVER INTRODUCTION Control Handset Front 1 PTT button 2 Handset Speaker 3 LCD Display 4 Keypad 5 Microphone 1 2 3 4 5 ...

Page 25: ...13 BARRETT PRC 4090 TACTICAL HF SDR TRANSCEIVER INTRODUCTION Control Handset Rear 1 2 1 Hot shoe connection to cradle and USB interface unit 2 PTT Button ...

Page 26: ...ing Station rear 1 External speaker 3W 8 Ohm 2 External Speaker connection 3 USB connection for WiFi adaptor or programming 4 H 250 handset connection 5 H 250 Handset 6 Control Handset Docking Station P N 4090 05 03 7 Control Handset P N 4090 01 09 8 Connection to PRC 4090 Transceiver ...

Page 27: ...L HF SDR TRANSCEIVER INTRODUCTION Auxiliary Cables 1 2 3 4 1 Hotshoe cable unterminated P N 4090 01 34 2 Hotshoe adapter cable to USB male P N 4090 01 32 3 Hotshoe adapter cable to GPS P N 4090 01 31 4 GPS adaptor P N 2090 01 24 ...

Page 28: ...16 BARRETT PRC 4090 TACTICAL HF SDR TRANSCEIVER INTRODUCTION ...

Page 29: ...17 BASIC OPERATION 2 This chapter contains the following sections Starting the Transceiver Display Antenna Type Channel Selection Receiving and Transmitting Voice Call Making an Emergency Call ...

Page 30: ...ashing green rapid flashing green when transmitting Zeroise Flashing red then solid when complete Keypad Key Function Channel Up Scroll up Channel Down Scroll down Scroll left and right Enter Set a menu item Key Function Make a call Clear Back one step Volume Up Volume Down There are seven keys on the keypad Some keys have multiple functions assigned to them depending on when or how long the key i...

Page 31: ...te and Time 11 Receive transmit status 3 ALE Status 12 Receive Strength Transmit Power Indicator 4 Digital Voice Secure Digital Voice 13 Swipe Menu Access 5 Status Indicators see page 20 14 Channel Label 6 Operation icons see page 20 15 Channel Frequency 7 ALE Channel Status 16 Channel Number 8 Selcall Network 17 ALE 3G Sync status 9 Transmit Power ...

Page 32: ...na Enables disables Frequency Hopping if fitted Cycles through low med high or no noise reduction Toggles mute on off See page 88 for further mute details Enables disables scanning A number on the WiFi Client icon or the Networked RS232 icon indicates the number of connections currently made to that device Access Point WiFi Client Low Voltage Screen Lock Busy Battery charge GPS USB Storage Missed ...

Page 33: ...N Swipe Menu To access this menu either swipe horizontally across the screen from the left edge to drag open the swipe menu or press and hold the right arrow key The icons other than Settings appear green when enabled and white if disabled Accessing the Swipe Menu ...

Page 34: ...Ds and mechanical information 4 Settings Menu Access to Settings menus 5 GPS Push if fitted or Display Settings 6 DV Baud Rate Quick access to Digital Voice Baud Rate settings 7 ALE Menu Quick access to ALE menu 8 Antenna Select Quick access to antenna select menu The items displayed in the Swipe menu are determined by the options installed in the transceiver Each of the Modem Stealth Mode and GPS...

Page 35: ... line will display the time until battery needs to be charged or if charging the time until battery is fully charged as well as the current in GPS Position The current GPS position of the transceiver if acquired IP Address The IP address of the trans ceiver if connected to an IP network Selcall ID The primary four and six digit selcall IDs of the transceiver ALE 2G Self ID The Self ID of the trans...

Page 36: ...series are used No tuning signals are emitted on channel change 910 Mobile Ant Using a Barrett 910 automatic tuning mobile antenna 911 Auto Tuner Using a Barrett 911 automatic tuner 2019 Mobile Ant Using a Barrett 2019 automatic tuning mobile HF antenna 2018 Loop Ant Using the 2018 Mobile magnetic loop HF antenna 4075 Linear Using the transceiver with a Barrett 4075 series linear amplifier 4075 Li...

Page 37: ... Channel Selection menu and shows all of the channels programmed into the transceiver in one place Tap a channel to select it Holding down this channel button opens the Channel information screen which displays all of the settings for the channel currently selected If there are no channels programmed into the transceiver turn to page 66 for instructions on channel programming Alternately to search...

Page 38: ...with the PTT transmit switch for a set time period after which the transceiver switches to receive until the PTT transmit button is released and re keyed This facility prevents the transmitter transmitting for long periods of time if for example the microphone becomes jammed between seats in a vehicle causing the PTT transmit switch to be held down Enabling disabling and changing the time of the t...

Page 39: ...n of channels Note Emergency Channels must be programmed using the Barrett PRC 4090 HF SDR Programming Software P N BCA40001 Transmits the emergency Selcall sequence on each of the maximum of 20 channels programmed as emergency channels There is a pause between calls allowing the operator to listen for an acknowledgment coming back After the Emergency call is attempted on all the preprogrammed eme...

Page 40: ...emitted and the fol lowing message displayed If the transceiver sending the emergency Selcall is fitted with a GPS receiver the position will also be displayed 2 Simultaneously pull and twist the on off switch to Emerg and release the switch The RFDS alarm will continue transmitting for ten seconds To cancel the RFDS alarm press the PTT button or the button ...

Page 41: ...SELCALL 3 This chapter contains the following sections Overview Important Selective Calling Information Summary of Calling Systems Setting up a Self ID Setting up Contacts Making a Selcall Advanced Selcall ...

Page 42: ...ilable in addi tion to simple point to point HF communications The calling systems available for the transceiver are listed below International INT A four and six digit Selective Call system fully interop erable with the UN format published in September 2004 and fully back wards compatible with all previous Barrett four and six digit Selcall pro tocols OEM A four and six digit Selective Call syste...

Page 43: ...annels OEM calls can only be sent on channels that are programmed as OEM Selcall channels Special Notes for the OEM Selective Call Protocol Six digit OEM calls will only be decoded by other Barrett transceivers fitted with the OEM Selcall protocol or other manufacturer s transceivers that use DES56 encryption This does not require an export permit Four digit OEM calls will be decoded by Barrett 95...

Page 44: ... transceiver Station B This will alert the operator at Station B that Station A is contacting them Selective Call Telcall Telcall uses this Selective Call system to transport a telephone number from a station on a HF network to a base station equipped with a telephone intercon nect unit to initiate phone calls onto the international telephone network Note For Selcall and Telcall functions to opera...

Page 45: ...that the four digit or six digit INT and OEM IDs be the same for easy self identification A list of all of a transceiver s current IDs can be found under Selcall Networks in the Selcall menu This shows all the current Selcall IDs for a transceiver and the networks that they are attached to see page 56 Settings Selcall 3 Type in a four digit number This will either be provided to you by your networ...

Page 46: ... Setting up Contacts 1 From the Settings menu tap the Contacts icon The following menu will open Will not be described in this manual See ALE 2G and ALE 3G User Guide P N BCM40524 Settings Contacts 2 To add a new contact tap the button on the left of screen ...

Page 47: ... ceiver you are inputting has whether it be 4 digit 6 digit or ARINC Select which is appro priate and enter the Selcall ID An email address and phone number can also be entered Once again these do not have to be entered for basic functionality of the transceiver To favourite this contact select yes under Favourite 3 To save the contact tap the in the top right hand corner of the screen and select ...

Page 48: ...he icon on the right per forms the search again Additional Contact Information Searching Contacts Editing Contacts To edit contact details select the desired contact by using the and keys and either tap the contact or press from the keypad The Edit Contact screen displays Select and change the desired settings Deleting Contacts From either the Settings Contacts screen or the Call Contacts screen t...

Page 49: ... Selcall channel For more information regarding channel selection and basic voice calls see Chapter 2 Basic Operation page 13 Use the key to access the Manual Call screen From this menu Selcalls Contacts Favourites and Call History can be accessed 1 Contacts Favourites 2 Contacts 3 Call Type Selection Menu 4 Call Type 5 Call Sub types 6 Call Key 1 2 3 4 5 6 ...

Page 50: ...everal available channels will determine which channel is best to use for subsequent Selcalls or Telcalls Note both stations must be programmed for Selcall or Telcall operation Sending a Beacon Call 1 Listen for traffic on your selected channel If traffic is heard select another channel and try again 2 Press and if necessary press the icon to show the Call Selection screen 3 Either Select Beacon C...

Page 51: ...t channel If traf fic is not heard continue 3 Press and if necessary press the icon to show the Call Selection screen 4 Either Select Selcall enter a Selcall Id man ually and press Enter or Choose a contact from the Contacts icon and then select Selcall 5 Wait for the Selcall to be sent and listen for the revertive signal that indi cates the call was successful If a revertive tone is not heard or ...

Page 52: ...t its call was received an audi ble alarm sounds the mute squelch if selected opens and the display shows who the call is from The audible alarm will sound for 60 seconds unless acknowledged and then time out To cancel the alarm and acknowledge the call press the PTT button or tap If the audible alarm times out the missed call icon displays and a periodic audio reminder is emitted For details of p...

Page 53: ...w the Call Selection screen 3 Either Select Telcall enter the selcall ID of the interconnect select Enter phone number enter the phone number manually and press Enter or Choose a contact from the Contacts icon and then select Telcall Enter the Selcall ID of the Interchange choose Select from Contact and select contact 4 Wait for the call to be sent and listen for the revertive signal that indicate...

Page 54: ...ld to display the Advanced Call History screen Receiving a Telcall Note To receive a Telcall your transceiver must be programmed with a Self ID and where multiple channels are in use the scan function should be activated When you receive a Telcall your station sends a revertive call to alert the calling station that its call was received an audi ble alarm sounds the mute squelch if selected opens ...

Page 55: ...is can be toggled on or off in the Call History menu Call History Menu The Call History menu can be accessed via Settings Call His tory From this menu the Advanced Call History can be accessed deleted updated and the collation of the call history by contact can be tog gled on or off Update advanced call history will only appear when using a remote control applica tion see IP Connectivity Guide P N...

Page 56: ...ressing a call bubble within a thread will initiate the return call process to the sender Please note that this function is unavailable for ALE 2G and 3G NetCalls Pressing an arrow reveals fur ther information about a call including frequency channel number as well as to and from addresses ...

Page 57: ... surname phone number or email address of a contact Selcall ID ALE 2G or ALE 3G alias date or time of call or data type call GPS status pagecall Call Type The call types are outlined in the table below ID or Alias This is the ID address or Alias of the remote trans ceiver that the local transceiver is was communicating with Date and time The date and time of the most recent call in a thread are di...

Page 58: ...d at other station For 2G and 3G only Call sent but not delivered at receiving station for 2G and 3G only The red cross indicates non delivery as a default state until a call sent acknowledgment is received Icon Description Selcall INT format Selcall OEM format Selcall CCIR format Selcall RFDS format SC Emergency Selcall format ALE 2G format ALE 3G format ...

Page 59: ...ntifies the transceiver to other users when using an OEM channel A list of the transceiver s Selcall IDs on saved Selcall Networks Can be modified The length of the Selcall preamble 500ms are recommended per channel in the scan group 1 second 47 BARRETT PRC 4090 TACTICAL HF SDR TRANSCEIVER SELCALL Advanced Selcall Functions Selcall Settings From the Settings menu select Selcall to view the Selcall...

Page 60: ... INT format or 64 characters in OEM format to be sent to or received from other transceivers with Pagecall facilities Sending a Pagecall Receive a Pagecall When a Pagecall is received an audible alarm sounds any mute is disabled and the Pagecall screen displays The Pagecall screen shows the Selcall ID and mes sage Tap to stop the audible alarm but maintain the Pagecall screen Tap To close the Page...

Page 61: ... a remote station s GPS position Information from the remote station will be either the latest GPS position of the station or 1 of 2 error messages GPS Unresponsive where data is not being received or invalid data is received from the GPS unit connected to the remote station GPS Not fitted at Remote Station where the remote station does not have a GPS unit connected to it 1 Select the channel on w...

Page 62: ...ll was successful If a revertive tone is not heard try another channel and repeat the process 6 The receiving station will transmit it s posi tion if fitted with a GPS receiver The GPS Data screen dis plays the caller s Selcall Alias or alternately their Selcall ID To stop the alarm sounding but keep the dis play press To close the screen press ...

Page 63: ...for traffic on that channel If traffic is not heard continue 3 Press 4 Either Select GPS Pos enter the selcall ID of transceiver you wish to contact and press Enter or Choose a contact from the Contacts icon and then select GPS Pos 5 Wait for the call to be sent and listen for the revertive signal that indicates the call was successful If a revertive tone is not heard try another channel and repea...

Page 64: ...t transmit state battery voltage Signal strength indication of received status request Selcall Forward power output level VSWR of the antenna Temperature Selcall ID of the last radio called Sending a Status Call 1 Select the channel to send the Status Call on Beacon Call can be used to determine the best channel 2 Listen for traffic on that channel If traffic is not heard continue 3 Press 4 Either...

Page 65: ... Features The Secure Call is limited to point to point and point to multi point group call communications between radios within a network If any radio drops out of the secure call it is not possible to re enter the secure call Operators can re establish the link following the Secure Call method Secure Call Codes A Secure call code is necessary to make a successful secure call Create a Secure Call ...

Page 66: ...transceivers can communicate securely using a voice call Other users on the frequency will only hear garbled speech To exit secure mode a Hangup call will need to be sent or the key pressed disconnects local station only Sending a Secure Call 1 Select the channel to send the Secure call on Beacon Call can be used to determine the best channel 2 Listen for traffic on that channel If traffic is not ...

Page 67: ...operator should hang up by sending a hang up call 1 Press 2 Select Hangup and the Hangup call will be sent out The transceiver will use the des tination ID when sending the call from the initiating transceiver or the source ID when sending from the receiving transceivers Lis ten for hang up revertive tone which con firms the disconnect was successful Sending a Hangup Call ...

Page 68: ...elect the green tick and then Yes to save the Network Selcall Networks The Selcall Nework screen is a list of the transceiver s 4 and 6 digit IDs on vari ous HF networks These are programmable and up to 5 networks can be stored on the transceiver 1 Access the menu via Settings and Selcall Select Selcall Networks Creating a New Selcall Network 2 Tap the symbol to create a new Selcall Network 3 Selc...

Page 69: ... the desired net work and either tap the network or press from the keypad The Selcall Network screen displays Edit the details as described above for Add a Selcall Network Deleting an Existing Selcall Network Select the Selcall Network to be deleted then tap and hold for three seconds A confirmation message displays Tap Yes ...

Page 70: ...58 BARRETT PRC 4090 TACTICAL HF SDR TRANSCEIVER SELCALL ...

Page 71: ...59 BASIC SETTINGS 4 This chapter contains the following sections System Information General Settings Audio Settings Display Settings ...

Page 72: ...mation screen Head Device ID This displays the name of the control head This name is used to differenti ate between primary and secondary heads Version Information This menu provides software and firmware version numbers Contact your Barrett provider for more infor mation Settings System Info Serial Number This displays the transceiver s serial number ...

Page 73: ...ctivate an inactive option please contact Support at Barrett Commu nications at support barrettcommunications com au Configuration Pack Information This menu offers easy identification of the transceiver s current pack and when it was last updated SDV 4026 Serial Number This provides the serial number of the SDV 4026 hardware module fitted in the transceiver ...

Page 74: ...o ALE2G 3G info all security PINs and encryption keys will be cleared Built in Testing Equipment Provides a basic indication of faults in the system See Appendix 4 page 211 62 BARRETT PRC 4090 TACTICAL HF SDR TRANSCEIVER BASIC SETTINGS General Settings Select General from the Settings menu to display the General Con figurations screen A list of items that may be config ured is displayed To reveal ...

Page 75: ...information see 63 BARRETT PRC 4090 TACTICAL HF SDR TRANSCEIVER BASIC SETTINGS Audio Settings Tap Audio from the Settings screen to display the Audio screen A list of items that may be configured is displayed A brief description of each of the items is described beneath the items The current status of each of the items is displayed on the right To reveal more items either swipe down on the touch s...

Page 76: ... as Short Timeout 1 min Long Timeout 3 min or Always On Behaviour of the screen activated when the backlight times out Shows screensaver dims or switches off display The preferred unit for displaying the received signal strength dBm uV or S Meter Preferred unit of temperature for the transceiver Celcius or Farenheit Changes the display format for the GPS coordinates in the swipe menu Changes the d...

Page 77: ...65 PROGRAMMING 5 This chapter contains the following sections Channel Programming Free Scroll Rx Tx Programming via USB ...

Page 78: ... storage device containing the appropriate files into the transceiver s USB socket see page 73 3 By using the Barrett Programming Software P N BCA40001 This option is not available in all countries Please check with your Barrett dealer for your location For more information on using the Barrett Programming Soft ware please refer to the PRC 4090 SDR Programming Manual P N BCM PRC 40903 Programming ...

Page 79: ...e entered using the on screen keypad Desired transmit frequency in kHz Can be entered using the on screen keypad Mode of Modulation Can be USB LSB CF CW or AM See Terms and Abbreviations on pg 4 5 Network Administrator designated Transmit power in Watts Can be either 10 30 125 or 150W Designates the Selcall IDs to be used on this channel whether INT OEM CCIR RFDS or an ID set to a network 67 BARRE...

Page 80: ...tings Labels menu Type the New Label using the on screen keyboard This label can now be added to a channel Adding a New Label Editing a Channel To edit a channel select the desired channel by using the and keys from the Channel screen and either tap the channel or press from the keypad The Channel Information screen dis plays Edit the fields as desired Deleting a Channel To delete a channel tap an...

Page 81: ... Modulation Editing an Existing Label To edit a channel label from the Channel Labels screen select the label by using the and keys and either tap the label or press from the keypad Use the keyboard to edit the name of the label then tap to save Deleting an Existing Label To delete a channel label from the Channel Labels screen select the channel label you wish to delete then tap and hold for thre...

Page 82: ...elected frequency From the home screen tapping the channel frequency will open the Free Scroll function This can be navigated in two ways The directional buttons The left and right arrow keys change which digit is high lighted The up and down keys change the value of the highlighted digit Tapping the digits Note The Free Scroll menu can be locked in the PRC 4090 Programming Software and if locked ...

Page 83: ...screen When a desirable frequency is found pressing enter on the front panel will allow the frequency to be added at the next available chan nel number All of the fields can be set as when programming a channel from the channel menu see page 66 Press to save the channel Adding a Channel from the Free Scroll screen ...

Page 84: ...ING By holding the Scan icon the scan settings for Free Scroll can be set Scan Rate indicates the time spent on each frequency Scan Step Indicates the interval between frequencies scanned Tapping the scan icon will initiate scanning Free Scroll Scanning Scan ...

Page 85: ...a PRC 4090 Handset USB Interface 4090 01 27 or the Handset Docking Station 4090 05 03 1 Tap Settings then Export 2 From the Export screen tap Export Configuration to display the Config uration File Name screen The default name displays Use the keyboard to type an alternative name of the configuration file to export to the USB storage device Tap to save 3 Enter an optional password to encrypt the e...

Page 86: ...ose a File screen displays Select the required file to import If a password was set up for the pack this will be required for the import to complete Confirm that the call history will be replaced when the new pack is loaded 3 The import process will then begin automatically showing a progress bar Remove the USB storage device when prompted 4 The importing of a pack via USB is complete Note For tra...

Page 87: ...ollowing sections in alphabetical order ARINC Call Audio Advanced Collective Call Digital Voice Frequency Hopping I O Settings Modes Mute Squelch Network Noise Reduction NR RF Settings Scanning Screen Capture and Re sync Security Settings Tuning Zeroise ...

Page 88: ...n much the same way as a Selcall It is a hailing or alert system used exclusively to alert aircraft An ARINC ID is a sequence of two sets of 2 let ters Each pair must be entered alphabetically eg AB CD or CD AB The interface does not allow invalid ARINC IDs to be entered and blanks out invalid characters ...

Page 89: ...ions eg for a remote receiver in split site operations and audio is received from the remote site Tx Configuration This option sets whether the PRC 4090 transmits to the antenna or down the line Audio Bandwidth This section allows the audio bandwidth to be tailored to an operator s requirements Select either 300 Hz 2700 Hz used for reduced bandwidth voice operation 300 Hz 3000 Hz standard voice an...

Page 90: ... Line audio will also be processed through the Digital Voice hardware Line Out Level This setting adjusts the output level of the auxiliary 600 ohm balanced audio output port Line In Level This setting adjusts the input level sensitivity of the auxiliary 600 ohm balanced audio input Audio Record Custom Filter Bandwidth This option is used to monitor conversations It utilises the line audio to list...

Page 91: ... BCA40001 Sending a Group Call It is recommended that transceivers should be programmed with a selcall ID ending in 0 as this is used for making group calls When prompted to enter a Selcall ID for a chosen call type the first digits represent the groups of IDs you wish to contact Four Digit format All call eg Entering 2000 will contact every transceiver on the channel with an ID that begins with 2...

Page 92: ...Barrett 4000 and 2000 series HF Transceivers using Barrett digital voice modules which are designated as DV Digital Voice module with no encryption SDV 56 Secure Digital Voice module with DES 56 encryption No export licence required SDV 256 Secure Digital Voice module with AES 256 encryption Export licence required Signal to noise ratio conditions can change during communications between HF statio...

Page 93: ...minantly used for diagnostic purposes and diagnostic and log files can be exported and sent to Barrett Communications The Android version of the Barrett 4000 Series Remote Control App can be downloaded directly from the transceiver head For further infor mation please consult the Barrett 4000 Series IP Connectivity Guide P N BCM40507 ...

Page 94: ...ncy hopping system to operate Selecting the Hopping Band Select a channel as per normal This channel and mode is used by the trans ceiver to determine the hop band Entering the Hopping PIN This code is entered under Settings Security see page page 101 All of the transceivers that will be communicating on the same hopping band will need to have the same Hopping code Enabling and Disabling Hopping 1...

Page 95: ...nications Settings GPS Push GPS Push State GPS Push state enables or disables the automatic transmission of the GPS location Privacy Key Preamble Time This allows the input of the GPS privacy key This privacy key allows the transmission to be DES56 encrypted so long as the receiving station has the same privacy key in order to decrypt the transmission DES56 encryption does not require export appro...

Page 96: ...e transceiver via the top hotshoe auxiliary connector Note This command does not enable disable RS232 control of the transceiver when the RS232 option is fitted It is used to control the output of status information via RS232 used by some external programs such as vehicle tracking This selects whether the RS232 connection is made via a direct connection to the top hotshoe auxiliary connector on th...

Page 97: ... Linear with ATU are not available for Antenna 2 Type RS232 Baud Rate This menu option allows the selection of the RS232 Baud rate The Baud rate setting is dependent on the external device application con nected to the transceiver Tap RS232 Baud Rate from the IO screen to display the RS232 Baud Rate screen Select either 9600 or 115200 Antenna Select Behavior This master setting can override the pr...

Page 98: ... antenna 911 Auto Tuner Using a Barrett 911 automatic tuner 2019 Mobile Ant Using a Barrett 2019 automatic tuning mobile HF antenna 2018 Loop Ant Using the 2018 Mobile magnetic loop HF antenna 4011 Auto Tuner Using a Barrett 4011 automatic tuner 4017 Auto Tuner Using a Barrett 4017 automatic tuner OEM Tuner 3040 tuner compatible non Barrett product OEM 2 Tuner F2265 tuner compatible non Barrett pr...

Page 99: ... after the channel is changed or the transceiver is turned off For further information on setting up modes for channels see page 69 The current mode of transmission is displayed in the lower left hand corner green background The example opposite shows the transceiver in USB mode Pressing and holding the mode will allow an oper ator to change the mode to USB LSB CF CW or AM mode for the current cha...

Page 100: ...fter two seconds the Mute indi cator is hidden and replaced by the channel label Voice Mute When using analogue voice Voice Mute allows audio only when speech is detected on the selected channel When Digital Voice is active Voice Mute additionally opens for digital signals Note The voice mute sensitivity can be set to three levels SSL Mute Allows audio only if signal strength exceeds the nominated...

Page 101: ...d Closed state once audio is no longer detected Audio Mute SSL Mute Call Mute Enabled and Closed Enabled and Open Disa bled Tapping Mute from the Settings Menu displays the Mute settings screen Voice Mute Sensitivity refers to the hardness of the voice mute and its sensitivity to voice activity on a channel Signal Strength Level refers to the level at which the mute squelch opens When set to low t...

Page 102: ...ia Ethernet or WiFi with the use of specialised adapters For more information see the Barrett IP Connectivity and Networking Guide P N BCMPRC 40907 IMPORTANT Ensure that the USB Interface Unit is attached BEFORE the USB device is inserted When using a 4050 4090 Control Handset without a docking station a PRC 4090 Handset USB Interface 4090 01 27 must be attached to the rear of the handset The PRC ...

Page 103: ...ow shows the possible connections between the above PRC 4090 Control Handset and an IP network 1 PRC 4090 Control Handset P N 4090 01 09 2 PRC 4090 Handset USB Interface 4090 01 27 3 WiFi Adaptor P N BCO40508 4 USB to Ethernet Adaptor with USB ports P N BCA40505 5 Ethernet RJ45 cable ...

Page 104: ... ADVANCED OPERATION The below diagram shows the network connection from a Barrett PRC 4090 HF SDR Transceiver in Mobile configura tion P N 4091 00 10 1 Barrett PRC 4090 HF SDR Transceiver in Mobile configura tion P N 4091 00 10 2 Ethernet RJ45 cable ...

Page 105: ...justed to suit the operator s requirements Tap NR from the Home screen to cycle through the options Off Low Medium or High The example shows an NR set to High After two seconds the NR indicator is hidden and is replaced by the channel label When the noise reduction system is active low medium or high the NR icon displays an indication of the set ting NR Off NR Low NR Medium NR High NR ...

Page 106: ...swipe down on the touch screen or press Rx Preamp Enables or disables the RF pre amplifier The pre amplifier provides an addi tional receiver gain of 5 dB Generally the RF pre amplifier is switched off when an automatic mobile antenna is in use as these antennas have a built in RF pre amplifier Tx Over Beep When this option is selected the transceiver transmits a short tone after the PTT button is...

Page 107: ...windscreen wiper motor Note The noise blanker will not be effective in situations where for example exter nal power line noise is blanketing the receiver Select either Off or On Note In certain situations noise blankers can cause intermodulation in receivers In these cases the noise blanker should be disabled Tx Power Level This section sets the global RF power output for all channels in the trans...

Page 108: ... for the following reasons A Selcall is received Signal Strength Level SSL mute is selected and a signal with a level greater than the pre set threshold is received Audio syllabic mute is selected and a voice signal is detected The Scan icon on the Home screen once pressed initiates scanning according to the currently selected scan table see Scan Settings page 97 If no scan tables are available a ...

Page 109: ...channel after scan has been stopped by signal strength level if signal strength level mute is set or voice activity if audio mute is set Select between 1 and 10 seconds Resume Time Set the time period after which the transceiver will automatically resume scan ning from the last operation eg after a key press or PTT Select either Off 1 2 3 5 10 15 20 or 30 minutes Settings Scan Scan Table Select th...

Page 110: ...n tables which may be edited Each table reveals the name of the table the antenna the number of channels in the table and the chan nel numbers Scan Table Name This is the name of the scan table Without setting this the name will default to TABLE Add a Scan Table To add a Scan Table tap from Scan Settings Edit Scan Tables Tap Table Selection from the Scan screen to display the Table Selection scree...

Page 111: ...ct the table to be deleted then tap and hold for three seconds A confirmation message displays Tap Yes Scan Table Channels Tap the checkboxes adjacent to the channels you wish to choose and then tap After configuring the above items tap to add the table A confirmation message displays Tap Yes ...

Page 112: ...s mode stops the channel frequency being shown on the front panel Channel frequencies are uneditable as are labels The pack and diagnostic information becomes irretrievable and cannot be exported This mode can only be enabled using the Barrett Communications 4000 Series Programming Soft ware ...

Page 113: ...figure the security settings for the transceiver Tap Security from the Settings menu to access the Security menu A list of items that may be config ured is displayed The current status of each of the items is displayed to the right This menu is dependant on the Options installed in a transceiver Settings Security ...

Page 114: ...dwidth For instance Hopping PINs 00000000 to 19999999 are used for hopping 2 kHz Hopping PINs 20000000 to 49999999 are used for hopping 16 kHz Hopping PINs 50000000 to 99999999 are used for hopping 128 kHz Hopping up to 2 kHz is useful for narrow band antennas in situations such as antenna tuners in manpack operation Hopping up to 128 kHz can be used with wideband antennas such as base station bro...

Page 115: ...y hopping it doesn t utilise GPS Select either Standard 4 hops per second or High 15 hops per second Selcall Secure Call Code Service Mode Digital Voice Baud Rate Enter a four digit number Both the transmitting and receiving stations must have the same code A mode for use when servicing a transceiver Only accessible by PIN The Digital Voice Baud Rate setting fixes the baud rate at 600 700bps 1200b...

Page 116: ...l clear the following information from a remote transceiver via a Selcall and the entry of the Transceiver Lock OTAZ PIN for that station all channel information all Options all ALE 2G and 3G information ALL security PINs apart from the Transceiver Lock OTAZ PIN encryption keys The Transceiver Lock function locks a remote transceiver via Selcall and uses the remote transceiver s pre set Transceive...

Page 117: ... ceiver noises are muted key lights are disabled and the backlight is set to the lowest setting To enable stealth mode tap the icon in the swipe menu When active the icon will be green Pressing PTT while stealth mode is active will temporarily deactivate stealth mode rein stating lights and audio Stealth mode will re activate after 30 seconds of inactivity Off On ...

Page 118: ...his change of themes can be of use for chang ing for instance between a daytime theme and a night time theme To set a theme schedule select an alternate theme the time when the theme will switch on and when it will switch off Finally enable the Theme Sched ule by changing the Theme Schedule Status to Enabled Default Black on Green Green on Black Red on Black ...

Page 119: ...channel The keypad will illuminate red whilst the transceiver is tuning When the tune process is completed the display will show Tune Ok or Tune Failed in the top left hand corner The VSWR briefly displays below the fre quency indicating the efficiency of the selected antenna Tune Tuning occurs automatically when PTT occurs if the appropriate antenna tuner type has been selected Tuning can also be...

Page 120: ...to the Z position A ten sec ond countdown will begin and a zer oise will be performed when zero 0 is reached From the Settings Security Menu select Zeroise The countdown will then begin Zeroise will clear the following information from the local transceiver all channel information all Options all ALE 2G and 3G information ALL security PINs apart from the Trans ceiver Lock OTAZ PIN encryption keys ...

Page 121: ...109 INSTALLATION 7 This chapter contains the following sections Introduction Mobile Installations Base Station Installations Marine installations ...

Page 122: ... be followed in detail This chapter begins with connecting a secondary head to the rear of the trans ceiver and then outlines the most common configurations beginning with man pack installations followed by mobile base station and marine installations Please read this chapter carefully when considering the best antenna set up for your situation For further information on these installations please...

Page 123: ...e manner as the primary This may be useful in multiple situations such as for security reasons a secondary head may need to be located in another room personnel carriers may require a head be accessible for those in the back of the vehicle or marine installations where a secondary head may need to be away from the primary body Ensure the transceiver is switched off before connecting secondary cont...

Page 124: ...HF SDR TRANSCEIVER INSTALLATION Manpack Installations When combined with a battery pack the PRC 4090 easily adapts to suit man pack configurations The Control Handset can be easily mounted to molle or webbing with a molle attachment ...

Page 125: ...g The PRC 4090 Control Handset can easily be mounted to webbing or molle using the PRC 4090 Molle Attachment P N 4090 05 02 The transceiver can be stored screen facing out wards or reversed so that the screen is protected The Molle Attachment can also be used to attach to solid surfaces ...

Page 126: ...arged in multiple ways as outlined over the following pages With the battery pack fitted the transceiver can be operated and the battery pack charged simultaneously when a DC input of between 10 V DC and 70 V DC is supplied to the unit Additionally the PRC 4090 battery pack can be charged connected or discon nected to the manpack using the AC DC input universal power adaptor unit or directly from ...

Page 127: ...115 BARRETT PRC 4090 TACTICAL HF SDR TRANSCEIVER INSTALLATION AC DC Input Universal Power Adaptor Unit P N 2090 03 01 For operation from a mains voltage between 100 254 V AC sources ...

Page 128: ...116 BARRETT PRC 4090 TACTICAL HF SDR TRANSCEIVER INSTALLATION Tactical Solar Panel P N 2090 03 02 or 03 ...

Page 129: ...R INSTALLATION Military battery The PRC 4090 can interface with off the shelf Military standard batteries such as BB series batteries To interface with such batteries the adaptor and interface cable are required Battery Charge Indicator of the 4090 ...

Page 130: ...nimate Regular charging 24V charger a blinking dot indicates the capacity of the battery i e if the battery is at 25 charge the second dot will blink while the first will remain solid Fast Charging 48V charger the dots will animate sequentially from the appropriate charge level of the battery i e if the battery is at 25 charge the first two dots will remain solid while the last three dots will ani...

Page 131: ...he collapsible antenna be only extended to half height and secured using the Velcro tab When a call is received extend the antenna to full height before transmission When using an un tuned antenna such as the whip or the long wire the selec tion Antenna Type see page 24 in the standard menu should be used to enable the automatic tuner i e select Whip Long wire operation When this is selected the i...

Page 132: ...e and as high as possible When using an un tuned antenna such as the whip or the long wire the selec tion Antenna Type see page 24 in the standard menu should be used to enable the automatic tuner i e select Whip Long wire operation When this is selected the in built tuner automatically tunes the whip or long wire whenever the unit transmits after a channel change 4 3 5 6 1 2 1 Balun 2 Spool 3 Cor...

Page 133: ...121 BARRETT PRC 4090 TACTICAL HF SDR TRANSCEIVER INSTALLATION 45 DIRECTION OF RECEIVING STATION DIRECTION OF RECEIVING STATION 1 2 3 1 Antenna 2 Earth ground 3 PRC 4090 Transceiver P N 4090 00 01 ...

Page 134: ...122 BARRETT PRC 4090 TACTICAL HF SDR TRANSCEIVER INSTALLATION 2 3 DIRECTION OF RECEIVING STATION AT RIGHT ANGLES TO ANTENNA 1 1 Antenna 2 Earth ground 3 PRC 4090 Transceiver P N 4090 00 01 ...

Page 135: ...TRANSCEIVER INSTALLATION Single wire Counterpoise P N 4090 02 09 When using either a whip or the long wire antenna use of the counterpoise supplied is recommended for better efficiency This is connected to the PRC 4090 via the ground post ...

Page 136: ...uous data and CW transmission with a Barrett 30 W manpack transceiver Only low duty cycle voice operation is supported for operation with 100 W transmitters The antenna can be used in a number of configu rations depending on structures available for elevation Tactical Broadband Dipole Antenna Configurations Horizontal Dipole The horizontal dipole has maximum gain on the broadsides of the antenna a...

Page 137: ...e Horizontal Dipole with lower maximum gain The ends of the antenna should be at least 0 5 m above ground Suitable mainly for NVIS and medium distance Sloping Dipole Radiation with the Sloping Dipole becomes more directional with increased gain in the direction of the lower end of the antenna and reduced gain towards the higher end ...

Page 138: ...ation pattern between that of horizontal dipole and inverted V For optimum performance the radiating elements should be fully unwound and should not touch the ground Suitable for NVIS to medium dis tance Longer distance performance will be enhanced by erecting the antenna at a height of 10 m or more ...

Page 139: ...iately The remaining wire remains on the winder The throwing cord can then be used to elevate the antenna The antenna will handle 100 W continuous data and CW transmission The antenna can be used in a number of configurations depending on structures available for eleva tion 13 Mhz 6 Mhz 8 Mhz 9 Mhz Tactical Tuned Wire Dipole Antenna Configurations Horizontal Dipole The horizontal dipole has maximu...

Page 140: ... ends of the antenna should be at least 1 m above ground Suitable mainly for NVIS and medium distance 20M hz 11M hz 18M hz 20 Mh z 11 Mh z 18 Mh z Sloping Dipole Radiation with the Sloping Dipole becomes somewhat asymmetrical with increased gain in the direction of the lower end of the antenna and reduced gain towards the higher end 20M hz 11M hz 18M hz 20 Mh z 11 Mh z 18 Mh z ...

Page 141: ...single ended In this configuration one side of the antenna labelled antenna is unwound to the desired frequency and tied to an ele vated structure The central balun should be located close to the ground and the remaining side of the antenna earth partly unwound 5 to 10 m and stretched out on the ground below the radiating element 20Mhz 11Mhz 18Mhz 20M hz 11M hz 18M hz ...

Page 142: ...90 System Docking Station and Anti vibration Plate the PRC 4090 is easily adapted to suit mobile installations While in this configuration the PRC 4090 retains its ability to interface with the full range of Barrett peripherals including the 2019 Automatic Tuning Mobile HF Antenna and Barrett Linear Amplifiers ...

Page 143: ...RRETT PRC 4090 TACTICAL HF SDR TRANSCEIVER INSTALLATION PRC 4090 System Docking Station Rear 2 3 4 5 6 1 1 Earth stud 2 Coaxial connector 3 ATU connector 4 PRC 4090 Handset connector 5 Ethernet 6 DC Power In ...

Page 144: ...he feet and capstans are correctly aligned and drop into the keyway slots 2 Push the SDS towards the rear of the anti vibration plate as shown below so that the capstans and SDS click into place 3 To secure the SDS first ensure that the lock clamps are connected to the slots on the front of the SDS then turn the fasteners a quarter turn ...

Page 145: ...et attached to the bottom of the SDS can be configured to suit the anti vi bration plate and the PRC 4022 Power Supply The below images show the appropriate feet positions for each configuration SDS Feet Configurations SDS to fit Anti Vibration Plate SDS to fit PRC 4022 ...

Page 146: ...TION Handset Docking Station Configurations The Handset Docking Station can be configured for either portrait or landscape use of the Control Handset The exploded diagrams below show each of these configurations Portrait Configuration Landscape Configuration ...

Page 147: ...4090 01 09 and Control Handset Docking Station P N 4090 05 03 2 H250 Tactical Handset P N 4090 01 14 3 PRC 4090 Handset Cradle P N 4090 05 01 4 Ext Speaker P N 4090 01 33 5 PRC 4090 HF SDR Transceiver P N 4090 00 01 6 PRC 4090 System Docking Station P N 4090 05 00 7 PRC 4090 Anti Vibration Mounting Plate P N 4090 05 07 8 Hotshoe Accessory connector ...

Page 148: ...e of the glove box Behind the seat Under the seat Under the dash board if safe Where in mobile configuration only the control handset need be mounted con venient to the operator The transceiver may be mounted under a seat in the luggage compartment or any other appropriate place within the vehicle which allows for sufficient air flow All equipment should be positioned in such a way that convenient...

Page 149: ... the ignition switch or internal fuse panels as vehicle wiring to these points is of insufficient current capacity causing voltage drop possible noise interference and damage to cables through overheating To prevent this consider the fol lowing Route the power cable away from high tension ignition wiring Secure the power cable either to other wiring or the vehicle body with suitable cable ties Whe...

Page 150: ...outside the vehicle Voltage Standing Wave Ratio VSWR After installation it is recommended that the VSWR of the antenna should be measured for each channel The instructions supplied with each antenna will detail this operation Noise Suppression Noise generated by motor or electrical accessories on the vehicle may cause objectionable interference to the received signal This noise enters the receiver...

Page 151: ...nd That from the alternator generator may only be troublesome over a limited range of engine speed and can also be influenced by the state of charge of the battery The noise from instrument regulators may depend on the battery voltage the reading of the instrument and the length of time the system has been switched on For this reason the search for noise sources must be done thoroughly to prevent ...

Page 152: ... antenna plugs directly into the rear of a PRC 4090 System Docking Station using the cables supplied Optional PRC 4090 Control Handset Extender Cable 6 0 metres 4090 01 13 Important PRC 4090 transceivers must have the 2019 antenna option set during programming Connection Details for a PRC 4090 Transceiver with Mobile Pack and 2019 Automatic Tuning Mobile HF Antenna ...

Page 153: ...C 4090 Control Handset P N 4090 01 09 and Control Handset Docking Station P N 4090 05 03 4 Barrett 2019 MIL SPEC ATU HF mobile antenna NATO green P N 2019 00 10 5 Ground earth 6 Interface cable 6 m integral coaxial control with connectors to suit 4090 SDS P N 2019 00 02 7 IP Network Connection via RJ45 cable 8 DC power cable and connector 6m P N 4090 03 06 9 Circuit Breaker 10 12 V or 24 V DC Batt...

Page 154: ... BCA201904 or ten metre Barrett P N BCA201905 extension cable for the control cable is also available The control cable should be routed into either the engine compartment or boot trunk of the vehicle If the joint between the antenna control cable and the extension cable is in an exposed position a self amalgamating self bonding tape should be used to seal the joint Do not wrap this joint if it ca...

Page 155: ... PRC 4090 TACTICAL HF SDR TRANSCEIVER INSTALLATION ABSOLUTE MINIMUM CLEARANCE TOP VIEW REAR OF VEHICLE 160mm Important Considerations on the overall height of the 2019 antenna once fitted should also be considered ...

Page 156: ...t far exceeds this specification Do not mount the 2019 antenna in positions such as these as damage to the antenna may result ABSOLUTE MINIMUM CLEARANCE TOP VIEW 160mm BULL BAR Important Please note that the mounting of a 2019 antenna on the front of a vehi cle may be considered illegal in some areas countries Please check with your local transport vehicle authori ty prior to installation on the f...

Page 157: ...ectrical contact grease to prevent rust and corrosion and maintain the integrity of the ground earth connection 4 Attach the ground earth strap lug securely with an appropriate fasten er IMPORTANT If the antenna is mounted in a high position on the rear door of a vehicle multiple ground earth straps must be used to reach the vehicle chassis s grounding earthing point Ground earth conductivity from...

Page 158: ...d it may damage the spring base Mounting the Whip Sections To mount the whip sec tion it is recommended that only one section of the whip is screwed onto the antenna at a time The whip section should be hand tightened then a suitable tool i e a spanner can be used to tighten the section a further 10 to 20 degrees clockwise while holding the antenna body with a free hand ...

Page 159: ...nsceiver and on a selection of frequencies at approximately 2 MHz intervals If the tune passes every time the Barrett 2019 antenna is working correctly The Barrett 2019 antenna tunes to maximise whip current not minimise VSWR but the dis played VSWR value should generally be between 1 0 1 and 2 0 1 However if the display shows Autotune Fail accompanied by low pitched beeps the Bar rett 2019 antenn...

Page 160: ...ions paths over the range 20 500 kms particularly in hilly and mountainous terrain can be greatly improved through the use of the NVIS kit The NVIS kit comprises of a single flexible whip section of 4 metres in length which replaces the two section whip BCA201901 supplied with the Barrett 2019 Antenna It has fittings at each end to attach to the 2019 antenna and the optional NVIS Kit Magnetic Moun...

Page 161: ...ent antenna end fitting damaging the vehicle by becoming detached while attaching the roof mount end 5 Attach the roof mount end of the whip to an appropriate location see figure 1 as a guide It could be attached to the optional NVIS kit magnetic mounting base see figure 3 optional NVIS kit gutter mount bracket see figure 4 or to a custom fabricated bracket with 13mm hole If the mag netic mounting...

Page 162: ...TION Figure 2 Adjustable roof mount fitting showing locating pin and locating holes Figure 3 NVIS Kit Magnetic Mounting Base optional P N BCA201911 Base shown here with roof mount fitting attached Figure 4 NVIS Kit Gutter Mount Bracket optional P N BCA201912 ...

Page 163: ...8 Barrett Mobile Magnetic Loop Antenna shields and isolates vehicle ignition noise and interference from adjacent power lines providing greater communication clarity The 2018 Mobile Magnetic Loop HF Antenna is designed for universal mount ing The roof rack comes in a range of mounting bracket options Solutions are available that will allow clamping to the roofs of 4WDs sedans buses trucks and prim...

Page 164: ...ng Station P N 4090 05 00 3 Anti Vibration Mounting Plate P N 4090 05 07 4 PRC 4090 Control Handset P N 4090 01 09 and Control Handset Docking Station P N 4090 05 03 5 2018 Mobile Magnetic Loop Antenna P N BC201801 6 Control Coaxial Cable 6m P N BCA201904 7 Ground earth 8 IP Network Connection via RJ45 cable 9 Interface cable 6 m integral coaxial control with connectors to suit 4090 SDS P N 2019 0...

Page 165: ...ation Installations The PRC 4090 base station setup combines the PRC 4090 HF SDR Transceiver with the Sytem Docking Station and the PRC 4022 AC Power supply This setup can be combined with other Barrett products to provide a situation specific HF communications solution ...

Page 166: ...DS on top of the PRC 4022 ensuring that the four capstans are correctly aligned and drop into the keyway slots 3 Push the SDS towards the rear of the power supply as shown below so that the capstans and SDS click into place 4 To secure the SDS first rotate the lock clamps back into a vertical position then turn the fasteners a quarter turn The locks should click into place ...

Page 167: ...SCEIVER INSTALLATION 5 With the side latches folded outwards place the PRC 4090 transceiver on top of the SDS so that the locating feet meet their corresponding holes 6 Fold the side latches back into position and turn the fasteners to secure ...

Page 168: ...65o C The cooling fan requires no user input as it is temperature controlled by soft ware automatically activating when necessary Installing the Cooling Fan Attach the cooling fan to the transceiver by carefully aligning the connector pins located beneath the cooling fan with the socket on top of the transceiver as shown below Four screws located in the four corners of the cooling fan are used to ...

Page 169: ...157 BARRETT PRC 4090 TACTICAL HF SDR TRANSCEIVER INSTALLATION Connection Diagram 7 3 1 2 4 _ 12 V DC 1 5 6 7 8 9 10 11 12 12 ...

Page 170: ... PRC 4090 Control Handset P N 4090 01 09 and Control Handset Docking Station P N 4090 05 03 4 IP Network connection via RJ45 cable 5 Coaxial cable 6 Antenna 7 Power cable from Barrett PRC 4090 SDS to PRC 4022 Power Supply P N 4090 03 02 8 IEC mains cord P N SA 00020 9 Circuit Breaker 10 12 V or 24 V DC Battery 11 3 metre battery back up cable for PRC 4022 Power Supply P N 4090 06 08 12 Ground eart...

Page 171: ...an be done to improve an installed system if for example the ambient RF noise is unacceptably high It is recommended that site evaluation be done before any system designs are finalised to avoid system performance disappointment The following should be considered when choosing a position for the trans ceiver Operating Convenience The transceiver should be placed so that the operator is comfortable...

Page 172: ...ery without the noise problem described above Voltage Drop The average current consumption of the transceiver is low but during transmis sion of voice peaks high current is needed for short intervals This means that the power supply cable must be heavy enough to supply these short duration current peaks without excessive voltage drop Preferably only use the power cable supplied with the transceive...

Page 173: ... receiver Incorrect antenna installations will yield poor system performance and are often the cause of complaints of poor transceiver performance A range of antennas is available from Barrett to suit most small fixed stations Detailed instructions are included with each antenna 912 Multi wire Broadband Dipoles P N BC91200 BC91202 and BC91203 Barrett 912 broadband dipoles are ideal for base statio...

Page 174: ... configuration the mast must have an offset or out rigger bracket at least 0 8 metres long to hold the antenna away from the mast Support towers may be either lattice masts as illustrated tubular telomasts or other support structures that may be available locally It is recom mended that the halyards used to support the antenna be either UV stabilised Dacron cord or wire rope and that pulleys shoul...

Page 175: ...ls The antenna is designed for operation on a 6 to 10 metre standard 50 mm mast making it simple to install With a packed length of 2 1 metres the antenna can be easily transported by air Assembly fixtures are supplied to assist in mounting the antenna to an existing mast tower or pole Alternatively a range of suitable masts can be supplied with the antenna The tuner has a memory system that store...

Page 176: ...ion Details for a PRC 4090 Transceiver and 4017 Automatic Tuning Horizontal Dipole Antenna 1 Barrett PRC 4090 HF SDR Transceiver P N 4090 00 01 and System Docking Station P N 4090 05 00 2 PRC 4022 AC Power Supply P N 4090 06 01 7 3 1 2 _ 12 V DC 1 5 4 6 9 7 10 8 11 12 12 ...

Page 177: ...4017 Tactical HF ATU base antenna P N 4017 00 01 5 Coaxial Control Cable P N 4017 01 01 6 IP Network via RJ45 cable 7 IEC Mains cable P N SA 00020 8 In line Fuse 9 Power cable from Barrett PRC 4090 SDS to PRC 4022 Power Supply P N 4090 03 02 10 12 V or 24 V DC Battery 11 3 metre battery back up cable for PRC 4022 Power Supply P N 4090 06 08 12 Ground Earth ...

Page 178: ...as over a frequency range of 2 to 30 MHz Tuning is rapid typically less than one second the first time RF is applied either whilst the operator is talking or when the Tune control is activated on the transceiver see page 107 The 4011 tuner features a memory facility that stores the configuration required to tune to a frequency On any subsequent use of that frequency the 4011 reconfigures to the st...

Page 179: ...fficient to provide a satisfactory ground earth for the Barrett 4011 tuner This will almost certainly be the case in well drained sandy soils or on rock In these cases a counterpoise must be used as a ground earth system This will also be the case in rooftop installations where no existing ground plate such as metal roofing exists The number of radials required for an effective counterpoise depend...

Page 180: ...90 handset should show a low value reflected power consistent with a VSWR of better than 2 1 Select the lowest desired frequency on the transceiver and repeat the above procedure The result should be the same except that the tune cycle may take somewhat longer If the above procedure does not give the results indicated check that the antenna length and connections are correct and re check all groun...

Page 181: ...T PRC 4090 TACTICAL HF SDR TRANSCEIVER INSTALLATION 7 3 1 2 _ 12 V DC 1 5 6 7 8 9 10 11 12 13 13 4 13 Connection Details for a PRC 4090 Transceiver and 4011 Automatic Antenna Tuner in a Base Station Configuration ...

Page 182: ... 09 and Control Handset Docking Station P N 4090 05 03 4 Barrett 4011 Automatic Antenna Tuner P N 4011 00 01 5 Antenna 6 Coaxial Control Cable P N 4019 00 02 7 IP Network Connection via RJ45 cable 8 Power cable from Barrett PRC 4090 SDS to PRC 4022 Power Supply P N 4090 03 02 9 IEC mains cord P N SA 00020 10 12 V or 24 V DC Battery 11 In line Fuse 12 3 metre battery back up cable for PRC 4022 Powe...

Page 183: ...171 BARRETT PRC 4090 TACTICAL HF SDR TRANSCEIVER INSTALLATION Connection Details for a PRC 4090 and a Military Whip Installation 1 3 12 _ 12 V DC 7 9 10 7 2 8 12 11 4 5 12 6 ...

Page 184: ...ndset P N 4090 01 09 and Control Handset Docking Station P N 4090 05 03 4 Barrett 4011 Automatic Antenna Tuner P N 4011 00 01 5 Military Whip base P N 2090 07 15 whip P N 2090 07 14 6 Coaxial control cable P N 4019 00 02 7 IP Network Connection via RJ45 cable 8 DC power cable to Battery P N 4090 03 06 9 In line Fuse 10 12 V or 24 V DC Battery 11 Cable from 4011 Automatic Antenna Tuner to military ...

Page 185: ...d for an inverted V configuration The antenna will handle continuous data and CW transmission The antenna can be used in a number of configurations depending on structures available for elevation Tactical Broadband Dipole Antenna Configurations Horizontal Dipole The horizontal dipole has maximum gain on the broadsides of the antenna and reduced gain along the axis Height above ground affects radia...

Page 186: ...e Horizontal Dipole with lower maximum gain The ends of the antenna should be at least 0 5 m above ground Suitable mainly for NVIS and medium distance Sloping Dipole Radiation with the Sloping Dipole becomes more directional with increased gain in the direction of the lower end of the antenna and reduced gain towards the higher end ...

Page 187: ...ation pattern between that of horizontal dipole and inverted V For optimum performance the radiating elements should be fully unwound and should not touch the ground Suitable for NVIS to medium dis tance Longer distance performance will be enhanced by erecting the antenna at a height of 10 m or more ...

Page 188: ...iately The remaining wire remains on the winder The throwing cord can then be used to elevate the antenna The antenna will handle 100 W continuous data and CW trans mission The antenna can be used in a number of configurations depending on structures available for elevation 13 Mhz 6 Mhz 8 Mhz 9 Mhz Tactical Tuned Wire Dipole Antenna Configurations Horizontal Dipole The horizontal dipole has maximu...

Page 189: ...e ends of the antenna should be at least 1 m above ground Suitable mainly for NVIS and medium distance 20M hz 11M hz 18M hz 20 Mh z 11 Mh z 18 Mh z Sloping Dipole Radiation with the Sloping Dipole becomes somewhat asymmetrical with increased gain in the direction of the lower end of the antenna and reduced gain towards the higher end 20M hz 11M hz 18M hz 20 Mh z 11M hz 18 Mh z ...

Page 190: ... single ended In this configuration one side of the antenna labelled antenna is unwound to the desired frequency and tied to an ele vated structure The central balun should be located close to the ground and the remaining side of the antenna earth partly unwound 5 to 10m and stretched out on the ground below the radiating element 20Mhz 11Mhz 18Mhz 20M hz 11M hz 18M hz ...

Page 191: ...pproximately 300 mm from the mast and the bottom insulator should be at eye level above the deck The distance between insulators should be greater than 10 metres and less than 35 metres A whip antenna is generally used on small to medium sized power vessels There are different length whips to suit the vessel length Transceiver and Tuner Mounting Select a suitable position in the vessel to mount th...

Page 192: ...arth Whichever method is used the ground earth run from the ground earth plate to the antenna tuner should be as short as possible and use copper strap at least 50 mm wide wider if available Consideration must always be given to the problem of electrolysis Severe structural damage may occur if electrolysis is present Consult your maritime experts for more information concerning elec trolysis Corro...

Page 193: ...are correct and re check all ground earth connections Note When received the Barrett 911 automatic antenna tuner memory system will usually not have any pre stored tuning information appropriate to your installation To allow the 911 to learn its tuning information simply proceed from one channel to the next allowing the normal tune cycle to take place Each successful tune is memorised so that when...

Page 194: ...T PRC 4090 TACTICAL HF SDR TRANSCEIVER INSTALLATION Connection Details For a PRC 4090 Transceiver and 4015 Auto matic Antenna Tuner in a Marine Installation 1 2 5 11 _ 12 V DC 7 8 9 10 6 4 5 11 OR 13 7 3 14 12 11 ...

Page 195: ...t P N 4090 01 09 4 Barrett 4015 Automatic Marine Antenna Tuner P N BC401500 5 Ground earth 6 Coaxial Control Cable Extension P N 2019 00 06 7 Network 8 6 metre power cable supplied with transceiver P N 4019 00 02 9 Fuse in line with spare 10 12 V or 24 V DC Battery 11 Antenna Feeder Cable 12 Feed through Insulator P N BCA91701 13 Marine Whip Antenna 14 Sailing vessel back stay antenna or longwire ...

Page 196: ...184 APPENDICES 8 This chapter contains the following sections Appendix 1 Specifications Appendix 2 Connectors Appendix 3 Overview of HF Operation Appendix 4 BITE Test ...

Page 197: ...54 NTIA JITC EN63211 2008 Transmit frequency range 1 5 MHz to 30 MHz reduced performance below 1 6MHz Receive frequency range 250 kHz to 30 MHz Frequency stability 10Hz 0 1PPM over temperature range of 30 C to 70 C 0 5PPM if ESU not ready Frequency resolution 10Hz Program Mode 1Hz Tunable Receiver Operating modes J3E USB LSB H3E AM J2A CW CF Custom Filter ISB data option Filter bandwidth Fully sof...

Page 198: ...1B Appendix C 3G STANAG 4538 Digital Voice Encryption Enhanced Digital Voice and Secure Digital Voice options with choice of autobauding Low Rate vocoder option TWELP MELP Non proprietary customisation availa ble providing superior voice recovery on poor channels down to 3dB AES 256 Digital Encryption with 600 1200 2400bps Vocoder DES 56 Digital Encryption with 700 1200 2400bps Vocoder Security Ze...

Page 199: ...vity between 250kHz and 500kHz Selectivity J3E 1kHz and 4kHz Better than 70dB 2kHz and 5kHz Better than 70dB 5kHz and 8kHz Better than 75dB Selectivity J2B option 500Hz and 500Hz Better than 60dB Blocking Max usable sensitivity 20kHz and 20kHz better than 95dB Intermodulation Distortion Better than 110 dBμV Spurious response ratio Better than 95 dB Reciprocal mixing Better than 110 dBµV As defined...

Page 200: ...on Products Better than 32dB below PEP 26dB below two tone peak Current Draw Transmit 13 8VDC 10W 4 5A 1 tone 3 5A 2 tone 30W 8 5A 1 tone 6A 2 tone 125W 23 5 1 tone 20 5A 2 tone 150W 24 5 1 tone 20 5A 2 tone Current Draw Transmit 15VDC 10W 4 0A 1 tone 3 5A 2 tone 30W 7 5A 1 tone 5 5A 2 tone 125W 23 5A 1 tone 18 5A 2 tone 150W 23 5A 1 tone 17 5A 2 tone Current Draw Transmit 24VDC 10W 3 5A 1 tone 3 ...

Page 201: ...CW Key 2 1 Pulse per Second 3 GPS data NMEA format 4 5V Out 5 13V8 Out 6 Scan Stop 7 Balanced Audio Out Positive 8 Balanced Audio Out Negative 9 PTT Out 10 Ground 11 Auxilliary Power Enable 12 Auxilliary Line In Positive 13 Auxilliary Line In Negative 14 Auxilliary Digital Out 1 15 Auxilliary Digital Out 2 OFF Z EMERG ON 1 4 5 2 3 ...

Page 202: ... 2 Handset Voltage 3 CAN Bus positive 4 CAN Bus Negative 5 Handset Audio Positive 6 Handset Audio Negative 7 Ethernet TX Data positive 8 Ethernet TX Data negative 9 Ethernet RX Data positive PIN Signal 16 Mute State 17 USB Data Positive 18 USB Data Negative 19 5 USB 20 Auxilliary PTT 21 Auxilliary Digital In ...

Page 203: ...H 250 Handset Connector PIN Signal A H250 Handset Ground B H250 Speaker output C H250 PTT D H250 Microphone E Reserved F Reserved PIN Signal 10 Ethernet RX Data negative 11 Handset GPS 1 Pulse per Second 12 Reserved 13 Reserved 14 Reserved 15 Reserved 16 Reserved ...

Page 204: ...T PRC 4090 TACTICAL HF SDR TRANSCEIVER APPENDICES PIN Signal 1 Input Voltage 2 Input Voltage 3 Input Voltage 4 RS232 Transmit 5 Input Voltage 6 RS232 Receive 7 Ground 8 Ground 9 Ground 10 Ground 4 Power Connector ...

Page 205: ...t GPS 1 Pulse per Second 3 CAN Bus positive 4 CAN Bus Negative 5 External GPS 1 Pulse per Second 6 Reserved 7 Handset Audio Negative 8 Handset Audio Positive 9 Ground 10 Ground 11 SDS Voltage Enable 12 SDS Voltage Enable 13 External ATU Voltage 14 External ATU Scan signal 15 External ATU Tuned signal 16 SDS Detect ...

Page 206: ...194 BARRETT PRC 4090 TACTICAL HF SDR TRANSCEIVER APPENDICES PIN Signal 17 Ethernet TX Data positive 18 Ethernet TX Data negative 19 Ethernet RX Data positive 20 Ethernet RX Data negative ...

Page 207: ...DR TRANSCEIVER APPENDICES PIN Signal 1 Input Voltage 2 Input Voltage 3 Input Voltage 4 Battery communication Transmit 5 Input Voltage 6 Battery communication Clock 7 Ground 8 Ground 9 Ground 10 Ground 1 Power Connector Battery Pack 1 2 ...

Page 208: ...196 BARRETT PRC 4090 TACTICAL HF SDR TRANSCEIVER APPENDICES 2 DC In PIN Description A DC Positive B DC Positive C DC Negative D DC Negative ...

Page 209: ... HF SDR TRANSCEIVER APPENDICES PIN Signal 1 Input Voltage 2 Input Voltage 3 Input Voltage 4 RS232 Transmit 5 Input Voltage 6 RS232 Receive 7 Ground 8 Ground 9 Ground 10 Ground System Docking Station SDS 1 Power Connector 3 4 5 2 1 ...

Page 210: ...t GPS 1 Pulse per Second 3 CAN Bus positive 4 CAN Bus Negative 5 External GPS 1 Pulse per Second 6 Reserved 7 Handset Audio Negative 8 Handset Audio Positive 9 Ground 10 Ground 11 SDS Voltage Enable 12 SDS Voltage Enable 13 External ATU Voltage 14 External ATU Scan signal 15 External ATU Tuned signal 16 SDS Detect ...

Page 211: ...nnector PIN Signal A Ground B Recieve Data line C 1 pulse per second D ATU Scan Line E ATU Tuned signal F ATU Voltage 13V8 G Transmit data line PIN Signal 17 Ethernet TX Data positive 18 Ethernet TX Data negative 19 Ethernet RX Data positive 20 Ethernet RX Data negative ...

Page 212: ... Handset Voltage 3 CAN Bus positive 4 CAN Bus Negative 5 Handset Audio Positive 6 Handset Audio Negative 7 Ethernet TX Data positive 8 Ethernet TX Data negative 9 Ethernet RX Data positive 10 Ethernet RX Data negative 11 Handset GPS 1 Pulse per Second 12 Reserved 13 Reserved 14 Reserved 15 Reserved 16 Reserved ...

Page 213: ...201 BARRETT PRC 4090 TACTICAL HF SDR TRANSCEIVER APPENDICES 5 DC Input Connector PIN Signal A Input Voltage 11 V to 28 V DC B Ground ...

Page 214: ...R TRANSCEIVER APPENDICES Control Handset 1 Handset Auxilliary Connector PIN Signal 1 Reserved 2 Reserved 3 USB Data Positive 4 USB Data Negative 5 5 USB 6 Reserved 7 Ground 8 Ground 9 Handset Dock detection 10 Speaker Out Negative 6 2 1 ...

Page 215: ...4 H250 PTT 15 H250 Speaker output 2 Control Handset Cable Connector PIN Signal 1 Handset Voltage 2 CAN Bus positive 3 4050 Detect voltage 4 Handset GPS 1 Pulse per Second 5 Handset Audio Positive 6 Ground 7 CAN Bus Negative 8 Speaker Out Negative 9 Reserved 10 Reserved 11 Speaker Out Negative 12 Handset Audio Negative 13 Ethernet TX Data positive ...

Page 216: ...204 BARRETT PRC 4090 TACTICAL HF SDR TRANSCEIVER APPENDICES Handset Docking Station PIN Signal 14 Ethernet TX Data negative 15 Ethernet RX Data positive 16 Ethernet RX Data negative 7 3 2 1 ...

Page 217: ...y Connector PIN Signal 1 Reserved 2 Reserved 3 USB Data Positive 4 USB Data Negative 5 5 USB 6 Reserved 7 Ground 8 Ground 9 Handset Dock detection 10 Speaker Out Negative 11 Speaker Out Positive 12 Dock Speaker Detection 13 H250 Microphone Input 14 H250 PTT 15 H250 Speaker output ...

Page 218: ...ICES 2 External Speaker Connector PIN Signal A Dock Speaker Detection B Speaker Out Positive C Speaker Out Negative D Ground 3 H 250 Handset Connector PIN Signal A H250 Handset Ground B H250 Speaker output C H250 PTT D H250 Microphone E Reserved F Reserved ...

Page 219: ...aves are generated by the transceiver there are usually two components The ground wave which travels directly from the transmitting antenna to the receiving antenna following the contours of the Earth The sky wave which travels upward and at an angle from the antenna until it reaches the ionosphere an ionised layer high above the Earth s sur face and is then refracted back down to Earth to the rec...

Page 220: ...of day and the height of the ionosphere above the ground Under each diagram there are recommended working frequencies listed Please note that these will vary according to time of year and other factors They are intended only as a guide and are subject to change Day Night A B 20 km 800 km 2000 km EARTH IONOSPHERE C D A B 20 km 800 km 2000 km EARTH IONOSPHERE C D The sun is higher The ionosphere is ...

Page 221: ...on Call from another transceiver The transceiver wishing to check for the best fre quency to operate on sends a Beacon Call to the station to be contacted If the call to the other station is successful a revertive tone from the station being called will be heard indicating the channel selected was suitable for the ionospheric conditions prevailing If the revertive tone is not heard or is very weak...

Page 222: ... affect the success of your HF SSB communications Your choice of antenna system and power supply is critical Correct installation is also extremely important An HF SSB transceiver is generally installed using different rules to those used to install VHF or UHF transceivers Failure to correctly install an HF SSB system will greatly affect the communications quality you will obtain Your local Barret...

Page 223: ...lifier I O This test checks if the pre amplifier board is accessible by checking if the port expander responds to commands A failed test indicates an issue with the I2C bus on the microboard the pre amplifier board or a loose connector between the two transceiver halves Interface I O This test checks if the internal interface boards are accessible A failed test indi cates an issue with the I2C bus...

Page 224: ...halves or a defective D A converter Rx Current This test checks if the overall current draw while in receive mode idle is below 1A This test can fail if too many accessories Dual Antenna Switch Unit ATU linear amplifier etc are connected to the SDR or if the accessories are faulty Disconnect all accessories and rerun the tests If the test is failed again there is an issue with the pre amplifier bo...

Page 225: ...er chain with a synthetic signal A failed test indicates a defect on the microboard e g synthesizer digital IF etc Automatic Gain Controller This test cycles through the attenuators and checks if the AGC adjusts itself accordingly A failed test indicates a defect on the microboard e g attenua tors 213 BARRETT PRC 4090 TACTICAL HF SDR TRANSCEIVER APPENDICES ...

Page 226: ...ed under and throughout the term of the original warranty period up to its expiration No repair or replacement will extend the warranty term past the original thirty six 36 month anniversary of the original date of shipment from the Seller Firmware and software pre installed stand alone or provided as an update hereafter referred to as Software is guaranteed to perform acceptably within the specif...

Page 227: ...999 580 Within Australia Tel 618 9434 1700 Fax 618 9418 6757 email support barrettcommunications com au Telephone support from the Australian office is available from 7 30 am to 4 00 pm local time Monday to Friday Barrett Communications Europe Unit 9 Fulcrum 2 Victory Park Solent Way Whiteley Hampshire PO15 7FN United Kingdom Tel 44 0 1489 880 332 Fax 44 0 1489 565 422 email support barrettcommuni...

Page 228: ...bile Antenna 140 Assembly 146 Connection Details Mobile Pack 140 Mounting 142 4011 Automatic Antenna Tuner for Base Station 166 Connection Details 169 4017 Automatic Tuning Horizontal Dipole 163 Connection Details 164 Noise Suppression 138 ARINC 4 32 35 75 76 Audio 59 63 75 77 78 96 187 Mute 88 B Base Station 24 86 109 153 166 169 Beacon Call 30 32 38 39 48 49 51 52 54 96 209 ...

Page 229: ...ntacts 29 34 36 37 38 39 41 48 49 51 52 54 D Digital Voice 75 78 80 103 156 Display 4 19 59 64 Dual Port Antenna Switch Unit 85 E Earth 167 180 207 Emergency Call 17 27 28 32 Export 73 80 81 82 F Frequency Hopping 4 75 82 G General Configurations screen 60 62 GPS Position 51 GPS Push 83 GPS Request 49 Ground 78 141 145 152 165 167 170 180 183 207 ...

Page 230: ... 33 48 56 I O 75 83 84 L Label 19 68 69 M Marine Installations 179 Mobile Installations 109 112 130 Mode 69 103 Mounting 136 138 142 146 148 149 150 166 179 Mute 75 78 88 89 Audio 88 Syllabic Sensitivity 88 N Network 4 56 57 69 75 90 Noise Reduction 75 93 Noise Suppression 138 139 ...

Page 231: ... S Scan 5 72 96 97 98 99 Scan Table 5 97 98 99 Secure Call 32 53 54 103 Secure Digital Voice 80 103 Security 53 75 82 100 101 102 108 Selcall 2 4 5 27 28 29 30 31 32 33 35 37 38 39 40 41 42 43 47 48 50 52 56 57 76 79 85 88 96 97 98 186 209 Selcall ID 33 35 41 42 48 50 52 79 Self ID 5 29 31 33 42 Self IDs 31 Serial Number 60 61 Specifications Receiver 187 ...

Page 232: ...smitter 188 SSL Mute 88 Status Call 52 Sub group Call 79 Swipe Menu 21 T Telcall 2 5 30 32 38 41 42 Tuning 75 107 140 142 147 148 163 164 166 V Version Information 60 Voice Call 17 26 Voice Mute 88 89 VSWR 107 ...

Page 233: ... www barrettcommunications com au Europe Barrett Communications Europe Unit 9 Fulcrum 2 Solent Way Whiteley Hampshire PO15 7FN United Kingdom Tel 44 0 1489 880 332 Fax 44 0 1489 565 422 Email uksales barrettcommunications co uk USA Barrett Communications USA LLC 90 Office Parkway Pittsford NY 14534 United States of America Tel 1 585 582 6134 Email sales barrettusa com ...

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