Park Air T6M Скачать руководство пользователя страница 50 | Manualshive

Страница: 50 / 70

Park Air T6M Скачать руководство пользователя страница 50

Transmit Power and Frequency Accuracy Test

To check the base station's transmit power, and the accuracy of the carrier frequency, carry out the

following procedure:

(1)

Isolate power from the base station and connect the test equipment as shown below. Ensure

the wattmeter is switched to forward power.

(2)

Reconnect the power and ensure the base station's rear panel Power switch is set to on.

(3)

To enter Test mode switch on the base station by pressing, and keeping pressed, the front

panel Power button. Without releasing the Power button, press and release the SQL button,

then the SCN button, and finally the PRI button. Release the Power button.

T6M Base Station User Guide

Page 50

Transmit Power and Frequency Accuracy Test - Test Equipment Connection

Base Station Front Panel Power Button Location

«
...
48
49
50
51
52
...
»

Содержание T6M

Страница 1: ...T6M Base Station User Guide Handbook Part Number 31 360T6MBS...

Страница 2: ...sue Number one Date of Issue September 2000 Published by Park Air Electronics Northfields Market Deeping Peterborough England Telephone From UK 01778 345434 From outside UK 44 1778 345434 Fax From UK...

Страница 3: ...odification Record Modifications to the T6M base station authorized by PAE are recorded in the following table Modification Number Embodied by Date Brief Details T6M Base Station User Guide Page 3 Cha...

Страница 4: ...with an optional internal battery It is a sealed lead acid type with a thixotropic electrolyte The battery has self sealing safety vents that may release small quantities of gas under extreme conditi...

Страница 5: ...ore operating the equipment TRADEMARKS The following trademarks are used in this user guide IBM Is a registered trademark of International Business Machines Microsoft Is a registered trademark of Micr...

Страница 6: ...ry 11 Rack Mount Option 11 Local Monitoring of Transmitted Audio 11 Chapter 2 Specification 13 General 13 Dimensions and Weight 14 Input Supplies 14 ac Supply 14 dc Supply 14 Optional Internal Battery...

Страница 7: ...nsmitting and Receiving 24 Programmable Options 25 Display Blanking 25 Warning Beeps 25 Key Beeps 25 Transmit Inhibit 26 Maximum Transmit Time 26 Front Panel Display for 25 kHz and 8 33 kHz Channel Sp...

Страница 8: ...lity 45 Loading a Personality into the Radio 45 Reading a Personality from the Radio 45 Printing a Personality Report 46 Chapter 6 Spares 47 Introduction 47 List of Spares 47 Chapter 7 Maintenance 49...

Страница 9: ...station provides two way communication within the VHF aeronautical frequency band 118 to 136 9916 MHz The radio provides a nominal 10 watt amplitude modulated AM output and operates on both 25 kHz and...

Страница 10: ...ly are connected the base station operates from the ac input the dc input acts as a backup in case the mains fails PROGRAMMING THE BASE STATION S PERSONALITY The base station s personality is programm...

Страница 11: ...n the installation chapter Rack Mount Option The base station is normally supplied in a free standing desktop polymer enclosure As an option the base station s chassis can be fitted in a metal enclosu...

Страница 12: ...Intentionally Blank T6M Base Station User Guide Page 12...

Страница 13: ...be allocated to a priority list Channel selection can then be limited to those frequencies in the priority list In Scan mode the radio can have up to 15 scan groups each containing up to 15 channel fr...

Страница 14: ...he mains fail ac Supply The base station requires the following ac input supply Input voltage Between 98 and 254 V ac at either 50 or 60 Hz Maximum current 2 A dc Supply The base station requires the...

Страница 15: ...80 dB Audio power output 2 W into 8 ohm integral speaker 10 THD Distortion 10 THD for 90 modulation depth RF input impedance 50 ohms TRANSMIT CIRCUIT The specification of the transmit circuit is liste...

Страница 16: ...Intentionally Blank T6M Base Station User Guide Page 16...

Страница 17: ...When a busy channel is found and depending on the programmed options the radio remains tuned to that channel ready for use Scanning can be resumed at any time The following topics are covered in this...

Страница 18: ...itted continues to charge Microphone Diagnostics Connector Figure 3 Item 5 A 7 pin DIN socket used to connect the fist microphone normally supplied with the base station This connector will also accep...

Страница 19: ...t functions for different operating modes In Normal mode the channel buttons are used to select the required channel frequency In Scan mode these buttons are used to resume scanning after a busy chann...

Страница 20: ...tion removes power only from the radio module power to other modules is removed when the rear panel Supply switch is set to standby Warning Neither the Power button nor the rear panel Power switch iso...

Страница 21: ...microphone s PTT button Check that the base station s Tx indicator lights and then speak clearly into the microphone Reception is heard through the base station s internal loudspeaker The volume is a...

Страница 22: ...FF 5 Check that after a few seconds the display changes to show the currently selected channel frequency The squelch facility is now off To Adjust the Squelch Level To adjust the squelch facility 1 Pr...

Страница 23: ...equired channel frequency press the SEL or SEL button to scroll up or down through the priority channel frequencies that are programmed into the base station Release the button when the required frequ...

Страница 24: ...up to 15 channel frequencies Squelch is automatically switched on when scan mode is selected Display blanking does not operate in scan mode Selecting Scan Mode To select Scan mode press the SCN butto...

Страница 25: ...the radio is keyed or when the VOL or VOL button is pressed Note that the display can be reinstated by pressing any other button but doing so may also alter other settings Warning Beeps When programme...

Страница 26: ...mit has been set and warning sounds have been set the radio produces warning beeps 10 seconds before the transmission time expires FRONT PANEL DISPLAY FOR 25 kHz AND 8 33 kHz CHANNEL SPACING When sele...

Страница 27: ...18 1750 MHz 118 1833 MHz 118 1916 MHz 25 kHz 8 33 kHz 8 33 kHz 8 33 kHz 25 kHz 8 33 kHz 8 33 kHz 8 33 kHz 25 kHz 8 33 kHz 8 33 kHz 8 33 kHz 25 kHz 8 33 kHz 8 33 kHz 8 33 kHz 25 kHz 8 33 kHz 8 33 kHz 8...

Страница 28: ...ay occur if the transmitter s duty cycle has been exceeded or when transmitting for long periods The fault should clear if the radio is not keyed and allowed to cool F8 High reflected power Indicates...

Страница 29: ...ore RCUs to the base station if required q Connecting an antenna q Connecting the base station chassis to earth q Connecting the microphone or a microphone headset q Connecting external facilities if...

Страница 30: ...e module is fitted during the life of the base station The two links are q Interface module JP1 This link determines whether received audio or transmitted and received audio is monitored through the i...

Страница 31: ...diation The antenna used with this radio equipment must be installed such that the resultant radiated field strength is below 10 W m in areas normally accessible to personnel A suitable antenna must b...

Страница 32: ...er Signal Input or Output Signal Level 1 Microphone ground Input 0 V 2 RS232 Tx Output RS232 3 Microphone PTT Input 0 V PTT 4 RS232 Rx Input RS232 5 Sidetone and receiver audio monitor Output Maximum...

Страница 33: ...t signal q An audio operated squelch signal The external facilities are connected to the base station s rear panel Facilities connector This connector is detailed in Table 6 A 15 way D type plug Table...

Страница 34: ...indication 5 6 7 8 9 10 Control Desk Rx Control Desk Rx Control Desk Tx Control Desk Tx Control Desk PTT Control Desk PTT Output Input Input A 6 wire system comprising two 600 W twisted pair balanced...

Страница 35: ...a backup to the mains ac input The DC Input connector fitted to the rear panel see following illustration is used for this supply Connection should be made using a free XLR socket for example PAE part...

Страница 36: ...and the supply output connector The ac supply cable should be colour coded in accordance with the electrical appliance colour code regulations for the UK That is Line Brown Neutral Blue Earth Green a...

Страница 37: ...ny time using the programming kit 70 T6MPMKIT available from PAE The kit contains CD ROM based software and a programming lead A laptop computer or PC must be available to compile the personality The...

Страница 38: ...seconds Squelch must be open for this time before a channel is considered to be busy Offset channels On or off On When set to on the radio scans for the strongest frequency within a 25 kHz channel Al...

Страница 39: ...al frequency display is reinstated when the radio is keyed or when the VOL or VOL button is pressed Note that the display can be reinstated by pressing any other button but doing so may also alter rad...

Страница 40: ...lect the CD ROM drive and run the programme called Setup exe 3 Follow the on screen instructions The programming files are stored in the directory C Program Files PAE unless a different directory is s...

Страница 41: ...he box is empty Notes If the Use Channel Strings facility is selected the maximum number of channel frequencies that can be stored is reduced from 760 to 400 Descriptive text is shown on the frequency...

Страница 42: ...can mode is selected if not checked pause in scan mode is selected 10 Busy On Time This is the time a radio must be busy when scan mode is selected before the radio holds or is paused Enter a value be...

Страница 43: ...quency This facility determines when the radio can transmit Three options are allowed q Never Key in N This means the inhibit function is never enabled The transmitter can be keyed at any time includi...

Страница 44: ...are entered and it is required to amend the entry for example adding it to the priority list a quick method of displaying the frequency is by clicking on the Find channel box This displays the Find f...

Страница 45: ...splayed The progress of the programming operation is displayed on the status line at the bottom of the programming screen When programming is complete switch off the radio and laptop remove the progra...

Страница 46: ...f it is not valid the nature of the error will be displayed 3 A textual representation of the personality is displayed using the Windows Notepad programme When Notepad displays the personality it can...

Страница 47: ...should always be quoted T6M base station complete BT6MBS Radio module 25F00000T6M Interface module 68 T6MBS635 Switched mode power supply unit 69F07150135S Reservoir capacitor 33000 m F 63 V 14 06339...

Страница 48: ...Intentionally Blank T6M Base Station User Guide Page 48...

Страница 49: ...acement on page 52 Test Equipment Required The test equipment necessary to complete the scheduled maintenance is listed in Table 8 Table 8 List of test equipment Item Description 1 Through line wattme...

Страница 50: ...er 2 Reconnect the power and ensure the base station s rear panel Power switch is set to on 3 To enter Test mode switch on the base station by pressing and keeping pressed the front panel Power button...

Страница 51: ...MHz 9 To save the new power setting in the base station s memory press and keep pressed the front panel Power button Without releasing the Power button press and release the PRI button then the SCN bu...

Страница 52: ...reading approximately mid scale is shown in the AF wattmeter Note the reading in dB 7 Set the signal generator s modulation to off 8 Increase the sensitivity of the AF wattmeter until a reading is ob...

Страница 53: ...pment Lethal voltages are still present in the base station s internal power supply To ensure safe working during maintenance the ac and dc input supplies must be disconnected from the base station Th...

Страница 54: ...fault code displayed Complete the Transmit Power and Frequency Accuracy Test detailed on page 50 If the test fails check for any obvious problems such as a faulty PTT switch Note also that the signal...

Страница 55: ...Switch off the base station and switch on again after a few minutes If the fault persists replace the power supply module with a serviceable spare Fault code F16 may be displayed when operating using...

Страница 56: ...Intentionally Blank T6M Base Station User Guide Page 56...

Страница 57: ...anel controls 4 External connection diagram 5 Enclosure securing detail 6 Base station block diagram 7 Base station interconnection diagram 8 Base station layout diagram 9 Radio module and PSU removal...

Страница 58: ...Intentionally Blank T6M Base Station User Guide Page 58...

Страница 59: ...BT6MBS 01 Front and Rear Layout Figure 1...

Страница 60: ...BT6MBS 13 Rack Mounted Version Figure 2...

Страница 61: ...GA10642 Iss 1 Key to Front Panel Controls Figure 3 For description of controls see text in chapter 3...

Страница 62: ...BT6MBS 11 External Connection Diagram Figure 4...

Страница 63: ...BT6MBS 10 Enclosure Securing Detail Figure 5...

Страница 64: ...Base Station Block Diagram Figure 6 GA10547 Iss 3...

Страница 65: ...Base Station Interconnection Diagram Figure 7 GA10548 Iss 3...

Страница 66: ...Base Station Layout Diagram Figure 8 GA10719 Iss 1...

Страница 67: ...Radio Module and PSU Removal Figure 9 GA10721 Iss 1 radio and GA10731 Iss 1 PSU Radio Module Power Supply Unit PSU...

Страница 68: ...Interface PCB and Reservoir Capacitor Removal Figure 10 GA10732 Iss 1 and GA10720 Iss 1 Interface PCB Reservoir Capacitor...

Страница 69: ...Interface PCB Layout Diagram Figure 11 GA10751 Iss 1...

Страница 70: ...BT6MBS 12 1 Cable Termination at the N Type Connector Figure 12...

Отзывы:

Нет отзывов