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NV30LT-N OPERATIONS & MAINTENANCE MANUAL

OPERATING THE TRANSMITTER

VERSION 0.1  2015-03-01

PAGE 3.2.111

Turn-On Behaviour

The 

Turn-On Behaviour

 page (see 

Figure 3.2.93

) allows users to delay the start-up (RF on) of the 

transmitter when recovering from an ac power loss, in order to limit the simultaneous power demand 
from multiple transmitters on a common generator by staggering their turn on sequence.

Enter a value for Turn-On Delay in the allowable range of 0-120 seconds, defaulted to 0 
seconds (disabled).

Enter a value for Ramp-Up Speed in the allowable range of 0-100%, defaulted to 100% 
(normal).

Press 

Apply

 to save the change or 

Cancel

 to discard changes.

Figure 3.2.93: Turn-On Behaviour

NOTE

: Turn-on behaviour parameters can also be adjusted using the front panel display (see 

Turn-On 

Delay Setting, on page 3.2.119

 and 

Ramp-Up Speed Setting, on page 3.2.119

).

Содержание NV30LT-N

Страница 1: ...3 OPERATIONS MAINTENANCE MANUAL NV30LT N TRANSMITTER Document ID NHB NV30LTN OPS Version 0 1 Issue Date 2015 03 01 Status Preliminary Making Digital Radio Work...

Страница 2: ......

Страница 3: ...7 947 8200 Fax 1 207 947 3693 Customer Service 24 hour support 1 877 628 8353 Canada USA only 1 902 823 5100 International Email support nautel com Web www nautel com The comparisons and other informa...

Страница 4: ......

Страница 5: ...ptions 3 2 4 Viewing Transmitter Log 3 2 23 Viewing Tool Menu Panels 3 2 32 Viewing Real Time Meters 3 2 44 Presets Editing Operational Settings 3 2 51 Resetting Alarms 3 2 86 Viewing Transmitter Stat...

Страница 6: ...ntenance 3 3 1 Replacing an Air Filter 3 3 3 Performing On Air Checks 3 3 5 Replacing the Controller Assembly s Battery 3 3 6 Removing the Exciter s Battery 3 3 8 Inspecting Lightning Protection Syste...

Страница 7: ...NV30LT N OPERATIONS MAINTENANCE MANUAL VERSION 0 1 2015 03 01 PAGE 3 VII RELEASE CONTROL RECORD ISSUE DATE REASON 0 1 2015 03 01 Preliminary Release of NV30LT N NARF74 01...

Страница 8: ...NV30LT N OPERATIONS MAINTENANCE MANUAL PAGE 3 VIII VERSION 0 1 2015 03 01...

Страница 9: ...o conditioned to operate cooling fans in the RF power module reject load assemblies and splitter assembly The ac dc power stage also converts the ac power source to a positive dc voltage PA volts for...

Страница 10: ...he controller module via the module control interface PWB 5 V 15 V and 15 V regulated outputs are developed from the LVPS output voltage 40 48 V dc on the module control interface PWBs Each LVPS modul...

Страница 11: ...or the transmitter Local interfacing is performed via the front panel display U1 a 4 x 20 graphic LCD display and its adjacent keypad The UI contains a menu based series of pages that serve specific f...

Страница 12: ...rical schematics Figure SD 35 and SD 39 Coaxial relay K1 controls the routing of the main exciter and if applicable the standby exciter and provides the RF drive signal for the 30 kW RF drive splitter...

Страница 13: ...he RF drive output levels RF Power Stage See electrical schematics Figure SD 8 through SD 10 The RF power stage accepts the intermediate RF drive inputs from the RF drive stage and generates the final...

Страница 14: ...ates a sample of the PA voltage applied to each RF power module and applies it to the control monitor stage controls the reject load splitter fan voltage i e speed 10 kW Combiner Filters Each of the t...

Страница 15: ...Ld Pwr 1 12 signal via J1 of the 30 kW combiner represents imbalance between the 20 kW and 10 kW combiner inputs 4 Input 5 kW Reject Load Assemblies The 4 input 5 kW reject load assembly A29 provides...

Страница 16: ...e ac dc power stage s Rej Fan Volts supply and the cooling fans It also acts as the interface between the cooling fans Rej Fan Tach signals and the control monitor stage 4 Input 10 kW Reject Load Asse...

Страница 17: ...amples are peak detected and applied to the control monitor stage via the reject load interface PWB A28 The reject load interface PWB provides an interface between the ac dc power stage s Rej Fan Volt...

Страница 18: ...NV30LT N OPERATIONS MAINTENANCE MANUAL DESCRIPTION PAGE 3 1 10 VERSION 0 1 2015 03 01...

Страница 19: ...208VAC CUSTOMER AC POWER OPTIONAL UPS OR C M TRANSMITTER C M OPTIONAL LOW VOLTAGE POWER SUPPLY POWER SUPPLY 12 WAY SPLITTER C M MODULE 3 MODULE 2 MODULE 1 REJECT PWR LOAD REJ LOAD REJECT FWD REJECT RF...

Страница 20: ...er Log see page 3 2 23 Transmitter Log Using the AUI see page 3 2 23 Transmitter Alarms and Log Using the Front Panel see page 3 2 31 Understanding the Log Manager Window see page 3 2 25 Viewing Tool...

Страница 21: ...Behaviour see page 3 2 111 User Accounts see page 3 2 121 Setting User Permission Level see page 3 2 122 Editing Account Information see page 3 2 122 First Time Login see page 3 2 124 System Settings...

Страница 22: ...r see page 3 2 161 Audio Player see page 3 2 162 Playlist see page 3 2 163 Streams see page 3 2 165 Changing Exciter Transfer Settings see page 3 2 168 Exciter Changeover Settings Using the AUI see pa...

Страница 23: ...menu and Figure 3 2 3 for the remote AUI menu When a user interfacing function can be performed from both the front panel display and the remote AUI both are described in this section Front Panel UI...

Страница 24: ...ttings see 3 2 92 Pilot Sample see 3 2 113 Signal Gen see 3 2 114 Ext 10 MHz Input see 3 2 104 Scheduler see 3 2 161 FM Mask see 3 2 116 Audio Low see 3 2 117 Turn On Delay see 3 2 119 Ramp up Speed s...

Страница 25: ...2 72 MPX SCAs MPX SCA Input Internal SCA 1 Internal SCA 2 Input Levels Audio Player FRONT PANEL UI Gain Adjust RDS Settings see 3 2 72 Enable Data Source Baud Rate RDS Level Limiter Settings see 3 2...

Страница 26: ...Settings see 3 2 89 Network Setup Notifications SNMP Configuration RDS Other Settings Upgrade Software Remote I O see 3 2 145 Remote Inputs Analog Outputs Status see 3 2 87 Logs see 3 2 23 Exciter TCX...

Страница 27: ...ying selected settings Up and down on menu and list screens moves cursor up and down through the associated page on edit screens increases and decreases the value of a parameter being modified Left on...

Страница 28: ...the level stored in the selected preset RF Off Regardless of the remote enable disable status press the pushbutton switch to turn off the RF power stage The RF Off LED will be on amber when the RF po...

Страница 29: ...t Presets Backup Audio Enable and edit the selected preset s backup audio characteristics such as source stereo mode pre emphasis and low pass filtering page 3 2 70 User Settings Edit Presets Pilot Se...

Страница 30: ...s Audio Low Set the low audio thresholds and associated timeout delays page 3 2 117 User Settings Fwd Low Select the low and very low forward power thresholds page 3 2 118 User Settings Turn On Delay...

Страница 31: ...CD Settings Set the front panel display s contrast backlight and timeout page 3 2 133 System Settings Exciter TCXO Calibrate the internal clock to a user supplied external high precision 10 MHz clock...

Страница 32: ...tem Settings Factory Settings options in this table page 3 2 141 System Settings Factory Settings Thresholds Set protection thresholds for various parameters e g SWR shutback high low exciter power lo...

Страница 33: ...lot etc Real time meters Detailed transmitter status and events log Presets User Settings User Accounts System Settings Remote Input Output Configuration Scheduler Audio Player Changeover as applicabl...

Страница 34: ...ased on the active preset current forward and reflected power levels as well as the operating mode and carrier frequency Active Exciter Displays the active exciter A or optional B and the FM modulatio...

Страница 35: ...s being reported This page is also available through the Menu page Logs Click to shortcut to the Transmitter Log page which displays historical alarm and status records for the transmitter see Viewing...

Страница 36: ...all software open ports 3501 and 80 and close restrict access to port 22 If you are using RDS data open port 7005 If you are using SNMP open port 161 3 Gain remote access to the transmitter by enterin...

Страница 37: ...enter the password Default is blank NOTE The Nautel AUI is factory configured with a default login username and password Nautel recommends that you change the password to improve overall system securi...

Страница 38: ...capture transmitter critical parameters configure the use of an external 10 MHz source set the system clock and manage NTP servers page 3 2 90 Menu User Accounts Set user permission rights and define...

Страница 39: ...enu Page From the home page click the Menu button to view the Menu page see Figure 3 2 9 From this page you can select one of the following sub menus Figure 3 2 9 Menu Page Displayed only if the Orban...

Страница 40: ...of the AUI or active exciter calibration of the exciter TCXO upgrading of software files and calibration of audio inputs see System Settings on page 3 2 125 Select Remote I O to access a page that al...

Страница 41: ...Alarms and Log Using the Front Panel on page 3 2 31 Transmitter Log Using the AUI You can view the NV30LT N s events log using the AUI s Log page see Figure 3 2 10 This page shows a configurable log...

Страница 42: ...the table press the arrow keys on the right side of the screen or use the scroll bar that appears when more than one page is available The table of log information can span over more than one page Th...

Страница 43: ...to determine filter parameters by date and frequency Copy Logs Press to copy the selected logs remote view only Delete Press to remove all selected logged events Statistics Press to display detailed...

Страница 44: ...nsmitter events shown as Select a Device Controller displays controller events only Exciter A or B displays applicable exciter events only Rack displays applicable Rack events only RF Module displays...

Страница 45: ...he logs in the selected list copied to the remote user s computer clipboard by pressing the Copy Logs button in the Log Manager see Figure 3 2 14 You can paste the tab delimited text copy of the logs...

Страница 46: ...3 2 15 Delete by date activates the calendar and clock 24 hour clock where users can press the arrows to establish a date and time Log events older than this date will be removed from the events list...

Страница 47: ...iter Rack RF Module associated with the alarm Event describes the alarm e g Local Remote switch Severity identifies the seriousness of the alarm see Viewing the Legend on page 3 2 30 Events reveals th...

Страница 48: ...1 Viewing the Legend Press the Legend button in the Log Manager see Figure 3 2 17 to display a legend that describes the symbols shown in the State and Severity columns of the Logs page Press OK or Ca...

Страница 49: ...3 2 23 Figure 3 2 18 View Alarms and View Logs Screens The View Alarms screen displays only alarms that are currently active Older alarms that have cleared may still be present in the View Log screen...

Страница 50: ...lyzer To view all the tool menu options see Figure 3 2 19 close one of the existing tool menu panels on the Home page by clicking X in the top right corner of the tool menu panel and then click anywhe...

Страница 51: ...8 EQ Impulse Response Displays the impulse response of the modulator s EQ filter See page 3 2 39 EQ Filter Delay Displays the delay of the modulator s EQ filter across its bandwidth See page 3 2 40 Li...

Страница 52: ...e adjustment of the cursor position To make fine adjustments use the backward and forward buttons see Figure 3 2 20 To enlarge reduce the instrument panel use the maximize minimize buttons Some instru...

Страница 53: ...AL OPERATING THE TRANSMITTER VERSION 0 1 2015 03 01 PAGE 3 2 35 Figure 3 2 21 Instrument Cursor Manipulation Figure 3 2 22 Instrument Panel Expansion Example Cursor Tools to move cursor and display in...

Страница 54: ...Part 73 317 and IC BETS 6e NOTE While very accurate the spectrum analyzer may display artifacts spurs at some operating carrier frequencies that are a function of the analyzer and are not actually pr...

Страница 55: ...e Clear Averaging button to restart the averaging process Allowable range is 0 100 kHz Default setting is 19 Measurement Source determines the source of the spectrum plot transmitter output audio anal...

Страница 56: ...of the exciter s EQ filter The panel displays the gain of the filter with respect to the magnitude and frequency of the modulating signal A dashed line is displayed at the 0 dB level This tool is use...

Страница 57: ...reen image is not fluid and will not change Click on the panel to display a cursor in the approximate area The cursor position time and magnitude is noted in the upper right hand corner of the panel C...

Страница 58: ...ndwidth Click on the panel to display a cursor in the approximate area The cursor position frequency and delay is noted in the upper right hand corner of the panel Click in other areas of the panel to...

Страница 59: ...main audio source Left and right audio content is displayed for all other audio sources The plot consists of a group of sequential samples to allow signal analysis In L and R mode the L R portion of t...

Страница 60: ...sion are preset in software for each selected input and cannot be adjusted The following button controls are available Figure 3 2 29 Oscilloscope Left Right Audio input shown Use the cog button to gai...

Страница 61: ...gure 3 2 30 Measurement Source Settings Use the stop button to display a snapshot of the waveform for analysis printing etc Use the play button to resume the live real time display of the waveform Use...

Страница 62: ...sing the AUI The AUI can be used to display metered parameters on the Home page see Figure 3 2 31 if selected individually from the Meters List View page or saved in a meter list layout and set to def...

Страница 63: ...tations A parameter value in the red section of a meter bar indicates the parameter is outside normal operating conditions Accessing Meter Information Procedures for accessing and editing information...

Страница 64: ...information window in tabular format see Figure 3 2 33 3 To choose individual meters for display in the Meters window of the Home page Select the device type name in the Transmitter Layout panel and...

Страница 65: ...for display on the Home page Open the Meter List Save window from the Home page using the floppy disk button Figure 3 2 34 Press Save As to save the currently displayed meters Enter a name in the Layo...

Страница 66: ...for viewing purposes only and do not offer the same level of analytical features as the AUI s Meter List View page see Figure 3 2 31 on page 3 2 44 Figure 3 2 35 View Meters Screens Use the up and do...

Страница 67: ...Reject 5kW Fan6 Speed as applicable Battery Voltage Reject 9 10 Power as applicable Reject 10kW Fan1 Speed as applicable 15V Reject 11 12 Power as applicable Reject 10kW Fan2 Speed as applicable 15V...

Страница 68: ...peed PM1 PS B Current PM1 PA 1 Curr PM1 Fan 6 Speed PM1 PS A Temperature PM1 PA 2 Curr PM1 Temperature PM1 PS B Temperature PM1 PA 3 Curr PM1 Bias 1 Voltage PM1 PS A Fan Speed PM1 PA 4 Curr PM1 Bias 2...

Страница 69: ...haracteristics plus create and control preset settings Users can create up to 62 presets or edit existing presets To view the Presets page select Presets in the Menu page This section includes the fol...

Страница 70: ...ng Presets on page 3 2 53 In the top banner see Activating Presets on page 3 2 53 an asterisk appears next to the preset name when the Current Settings have changed since the last preset was loaded Cu...

Страница 71: ...nt active operational preset or any preset that is referenced in the Remote I O menu as either a remote input or output Those links in the Remote I O menu must be deleted before the associated preset...

Страница 72: ...Preset Name This field identifies the current preset settings Users must load a preset to directly edit this field see Activating Presets on page 3 2 53 Output Power Set the output power level in kW O...

Страница 73: ...NV30LT N OPERATIONS MAINTENANCE MANUAL OPERATING THE TRANSMITTER VERSION 0 1 2015 03 01 PAGE 3 2 55 Figure 3 2 38 Presets page Main Audio tab...

Страница 74: ...nd 0 dBFS typically 4 dBFS for 100 modulation value Audio Mode select Mono L Mono R Mono L R or Stereo applies to Analog Left Right AES EBU 1or Audio Player AES sources selecting Stereo applies a 19 k...

Страница 75: ...CA select Enabled or Disabled When enabled all the selections listed below are active Input Level signal level that represents 10 modulation Enter a value between 1 and 5 V p p typically 2 83 V p p SC...

Страница 76: ...or SCA2 Frequency enter value between 20 and 100 kHz typically set to 67 kHz or 92 kHz SCA1 or SCA 2 Input Level enter value between 12 and 12 dBu which represents the input voltage level that yields...

Страница 77: ...AL OPERATING THE TRANSMITTER VERSION 0 1 2015 03 01 PAGE 3 2 59 Figure 3 2 40 Presets page RDS tab upper and lower sections NOTE Refer to FCC guidelines for allowable modulation depth with SCAs or RDS...

Страница 78: ...a broadcast station Every station gets assigned a specific code with a country identifying prefix In the USA this code is determined by applying a formula to the station s call sign Additional informa...

Страница 79: ...s the TA flag is used set to 1 to signal an actual traffic bulletin in progress These flags are set to 0 if they are not being used for traffic information This selection applies to internal data sour...

Страница 80: ...PERATIONS MAINTENANCE MANUAL OPERATING THE TRANSMITTER PAGE 3 2 62 VERSION 0 1 2015 03 01 Figure 3 2 41 Presets page Other Settings tab upper middle and lower sections UPPER SECTION LOWER SECTION MIDD...

Страница 81: ...select Enable if so required If Enable is selected the following sub fields will appear Action select the action to take on the loss of a modulating signal post the timeout period Select None no resu...

Страница 82: ...miter this look ahead limiter can be applied to the signal immediately before the stereo generator in the exciter It has a fixed attack time and corresponding delay of approximately 1 ms It can be con...

Страница 83: ...2 Select Preset screen Use the up and down buttons to scroll through the existing presets Press the accept checkmark button to enable the preset as the transmitter s active preset Press the cancel X b...

Страница 84: ...eate New Preset screen Figure 3 2 45 Preset Editing menu Within the Preset Editing menu use the up and down buttons to scroll through the options and press the accept checkmark button to enter the sel...

Страница 85: ...log only transmitters FM analog mode only the maximum power setting is 33 kW and the minimum power setting is 1 2 kW Press the cancel X button to discard changes and return to the previous menu Figure...

Страница 86: ...it various main audio parameters see Figure 3 2 48 Figure 3 2 48 Main Audio menu Use the up and down buttons to scroll through the main audio menu options then press the accept checkmark or right arro...

Страница 87: ...ckmark button to save the change Press the cancel X button to discard changes and return to the previous menu Default setting is OFF Use the up and down buttons to move the cursor to the desired audio...

Страница 88: ...udio menu see Figure 3 2 49 Press the cancel X button to discard changes and return to the previous menu Use the up and down buttons to select a level between 12 and 12 dBu in 0 1 dBu increments then...

Страница 89: ...te press the accept checkmark button to save the change Press the cancel X button to discard changes and return to the previous menu Figure 3 2 53 Pilot Settings editing screens Use the up and down bu...

Страница 90: ...discard changes and return to the previous menu If you select Internal SCA1 or Internal SCA2 there is a sub menu that contains additional SCA settings see Figure 3 2 56 on page 3 2 73 Figure 3 2 55 S...

Страница 91: ...n to the previous menu Default level is 67 kHz typical setting is 67 kHz or 92 kHz Use the up and down buttons to select a level between 12 and 12 dBu then press the accept checkmark button to save th...

Страница 92: ...e 3 2 58 on page 3 2 75 and Figure 3 2 59 on page 3 2 76 show all the editing screens for the RDS Settings menu Within any of the editing screens use the arrow buttons to edit or toggle a parameter va...

Страница 93: ...tons to select Select 150 bps 300 bps 600 bps 1 2 kbps 2 4 kbps 4 8 kbps 9 6 kbps 19 2 kbps 38 4 kbps 57 6 kbps or 115 2 kbps then press the accept checkmark button to save the change Press the cancel...

Страница 94: ...ous menu The default selection is NONE Use the up and down arrows to select Word or Character then press the accept checkmark button to save the change Press the cancel X button to discard changes and...

Страница 95: ...ng See Figure 3 2 61 on page 3 2 78 for more details Press the accept checkmark button to enter the sub menu for that parameter Press the cancel X button to return to the previous menu Use the up and...

Страница 96: ...turn to the previ ous menu The default selection is OFF Use the up and down arrows to select Dynamic or Static then press the accept checkmark button to save the change Press the cancel X button to di...

Страница 97: ...er see Figure 3 2 65 on page 3 2 80 2 Slope Limiter see Figure 3 2 66 on page 3 2 81 L R Limiter see Figure 3 2 67 on page 3 2 82 MPX RMS Limiter see Figure 3 2 68 on page 3 2 83 Within a sub menu use...

Страница 98: ...tton to discard changes and return to the previous menu The default limit is 160 Use the up and down arrows to select ON or OFF then press the accept checkmark button to save the change Press the canc...

Страница 99: ...changes and return to the previ ous menu Default selection is OFF Use the up and down arrows to select a limit between 0 and 160 then press the accept checkmark button to save the change Press the can...

Страница 100: ...then press the accept checkmark button to save the change Press the cancel X button to discard changes and return to the previous menu Default time con stant is 5 000 s Use the up and down arrows to...

Страница 101: ...se the up and down buttons to edit a parameter value noting the minimum and maximum limitations indicated at the bottom of the display as applicable When complete press the accept checkmark button to...

Страница 102: ...ich the transmitter will take action Use the up and down arrows to select a value between 0 and 14400 seconds 240 minutes in 0 05 s increments then press the accept checkmark button to save the change...

Страница 103: ...heckmark button to save the change Press the cancel X button to discard changes and return to the previous menu Copy another preset When you select Copy Another Preset from the Preset editing options...

Страница 104: ...tting Alarms Using the Front Panel Resetting Alarms Using the Front Panel When you select Reset Alarms from the Main Menu you can attempt to reset latched protection circuits in the NV30LT N see Figur...

Страница 105: ...aid in fault diagnosis To view the Transmitter Status page click the Status button in the AUI s bottom banner Click X to return to the home page You can also use the local front panel UI to view acti...

Страница 106: ...oubleshooting Manual Status Button Colour Indications When the Status button is red one or more active alarms are indicating that the transmitter may be in an off air state When the Status button is a...

Страница 107: ...p Using the AUI on page 3 2 94 Notifications on page 3 2 97 Nautel Phone Home on page 3 2 99 SNMP Configuration on page 3 2 100 Capturing Critical Parameters on page 3 2 102 Using an External 10 MHz I...

Страница 108: ...can log in after changes have been made Determining DHCP Setting One of the main decisions in configuring the network connection on your NV30LT N transmitter is whether you set DHCP to ON or OFF If y...

Страница 109: ...red parameter and then press the right button to enable editing of the setting Within any of the editing screens use the left and right buttons to select a character for editing and then use the up an...

Страница 110: ...ddress bar to the IP addresses of web servers hosting those sites If DHCP is set to OFF specify the address Masks an IP address and divides the IP address into network address and host address If DHCP...

Страница 111: ...Windows XP Adapt as required for computers with different operating systems 3 On the laptop go to Start Menu Control Panel Network Connections Local Area Network 4 In the Local Area Network Status op...

Страница 112: ...3 2 76 on page 3 2 90 You must be have remote control enabled to edit network settings using the remote AUI The MAC Address and Status fields are read only they cannot be edited You must select Stati...

Страница 113: ...sed see Notifications on page 3 2 97 NOTE Nautel recommends that the following settings be entered vetted by a qualified Network Administrator Figure 3 2 79 Email Configuration page To configure the e...

Страница 114: ...il Address Enter as a standard email address e g a b com This will be the sender address that notification email recipients will see Free web based email service accounts Gmail Hotmail Yahoo mail etc...

Страница 115: ...VPS Failures Click Add to create a new item for notification click Edit after highlighting an existing item to edit an existing item or click Delete to erase an item 2 When you click Add or Edit the s...

Страница 116: ...NV30LT N OPERATIONS MAINTENANCE MANUAL OPERATING THE TRANSMITTER PAGE 3 2 98 VERSION 0 1 2015 03 01 Figure 3 2 81 Notifications adding updating page...

Страница 117: ...compromise your transmitters security All data transfers are one way Nautel Transmitters are intelligent collecting data on nearly every aspect affecting your transmitters performance When this data i...

Страница 118: ...he UDP port where the SNMP agent checks for requests The default setting is 161 If your transmitter is behind a firewall you must open this port to use SNMP Read Community Enter the password for the S...

Страница 119: ...ick Undo to restore the previous settings Figure 3 2 84 SNMP Configuration page Traps tab shown Traps Settings A trap is an unsolicited message sent by an SNMP agent to an SNMP client when an alarm ch...

Страница 120: ...lick Capture Meters reads all meter values Capture Alarms reads all active alarms Capture Presets reads current preset and Capture Settings reads current settings e g active exciter threshold settings...

Страница 121: ...external signal be lost If an external 10 MHz source is not being used leave the default No setting as is This will ensure that no alarm will be displayed on the Status page despite the presence of th...

Страница 122: ...external 10 MHz input see Figure 3 2 87 select User Settings Ext 10 MHz Inp from the Main Menu Figure 3 2 87 Front Panel External 10 MHz Input screen Use the up or down arrow to toggle between ON usin...

Страница 123: ...see Setting the Clock Using the AUI or using the local front panel display see Setting the Clock Using the Front Panel on page 3 2 107 If you change the clock setting on the front panel UI it will al...

Страница 124: ...the hour 24 hour clock minutes up to 60 and seconds up to 60 Date select values from the drop down menus beside Day Month and Year 3 Enter the following location parameters and press Apply Press Canc...

Страница 125: ...ge the time or date use the right and left arrow buttons to move the cursor to the desired field hours minutes seconds year month day and use the up and down arrow buttons to increase or decrease the...

Страница 126: ...e NTP Network Time Protocol servers to allow clock synchronization with all computers on the same network as the NV30LT N To view the AUI s NTP Servers page see Figure 3 2 90 selecting NTP Servers fro...

Страница 127: ...mn marks high quality candidates for the reference time that could be used if the currently selected reference becomes unavailable IP Displays the IP address associated with the Remote Name In some ca...

Страница 128: ...ct Call Sign ID from the User Settings options This identification will be displayed in brackets on the top transmitter banner of the AUI and also be included as a header in any Critical Parameter dat...

Страница 129: ...transmitters on a common generator by staggering their turn on sequence Enter a value for Turn On Delay in the allowable range of 0 120 seconds defaulted to 0 seconds disabled Enter a value for Ramp U...

Страница 130: ...ont Panel on page 3 2 107 Network Settings see Network Setup Using the Front Panel on page 3 2 91 Setting Pilot Sample Level see page 3 2 113 Configure Test Signal Generator see page 3 2 114 Ext 10 MH...

Страница 131: ...mple that is applied to the PILOT SAMPLE OUT A1J4A BNC connector on the rear of the controller A4 To view the Pilot Sample screen select User Settings Pilot Sample from the Main Menu see Figure 3 2 94...

Страница 132: ...t User Settings Signal Gen from the Main Menu see Figure 3 2 95 Figure 3 2 95 Signal Generator Menus Use the up and down buttons to move the cursor to the desired line item and then press the right bu...

Страница 133: ...previous menu Default is 1 kHz Select a type None Sine Wave Sine Sweep or Bandlimited Noise Press the cancel X button to discard changes and re turn to the previous menu Select ON enabled or OFF disa...

Страница 134: ...being used by the analyzer on the AUI The selection affects the mask lines on the AUI s Spectrum Analyzer instrument To view the FM Mask screen select User Settings FM Mask from the Main Menu see Figu...

Страница 135: ...ting screens use the up and down buttons to edit the setting Press the accept checkmark button to save the change Press cancel X to discard changes and return to the previous menu Figure 3 2 99 Audio...

Страница 136: ...on to enable editing Figure 3 2 101 shows the two editing screens for the Fwd Low menu Within either of the editing screens use the up and down buttons to edit the setting Press the accept checkmark b...

Страница 137: ...1 s increments The default setting is 0 s disabled Press the accept checkmark button to save the change Press X to abort the change and return to the previous menu Ramp Up Speed Setting NOTE The ramp...

Страница 138: ...Ramp up Speed Screen Use the up and down buttons to select a ramp up speed between 1 and 100 in 1 increments noting 100 represents approximately seven seconds 0 W to full power The default setting is...

Страница 139: ...ed to a given user some features shown in Figure 3 2 104 may not be displayed or available This section includes the following topics Setting User Permission Level on page 3 2 122 Editing Account Info...

Страница 140: ...rator to use this function Procedure to add a user see Figure 3 2 105 on page 3 2 124 1 Open the User Accounts page 2 Click Add bottom of the screen to open a small Add User window 3 Beside Username e...

Страница 141: ...hanging Permissions You must be an Administrator to edit this function All users have permission to change their own username and password You can customize the permissions assigned to a user or simpl...

Страница 142: ...and click the Delete button A verification prompt will appear Press Yes to proceed or No to cancel the deletion NOTE Do not delete the SNMP_User account from the list of users Figure 3 2 105 User Acc...

Страница 143: ...ng the AUI or using the front panel UI see System Settings using the Front Panel UI on page 3 2 130 System Settings using the AUI The AUI s System Settings page see Figure 3 2 106 is accessible from t...

Страница 144: ...s will function with remote control enabled or disabled After the reboot delay you must log in to the AUI again To reset the active exciter click the Reboot Active Exciter button if the button is avai...

Страница 145: ...tware If an upgrade file is selected the screen shows a comparison between the installed version and the selected upgrade by component Identical versions are shown in green different versions are show...

Страница 146: ...e field and press Apply If no external high precision 10 MHz clock reference is connected but the actual transmitter carrier frequency is being measured with a calibrated external frequency counter op...

Страница 147: ...le calibrated audio source The Audio Input Calibration page see Figure 3 2 110 allows the user to calibrate analog and MPX composite audio inputs The peak meter value of each calibrated audio input an...

Страница 148: ...Setting Exciter TCXO Offset see page 3 2 135 Configuring Installed Hardware see page 3 2 136 FM Polarity see page 3 2 140 Adjusting Factory Settings see page 3 2 141 see NOTE below NOTE Changing sele...

Страница 149: ...change If a reset is selected it will occur immediately Select Cancel or press X to abort the reset and return to the previous menu OS Recovery NOTE An OS recovery reset can restore the transmitter s...

Страница 150: ...en Use the up and down buttons to toggle between Enabled and Disabled Press the accept checkmark button to save the change Press cancel X to discard changes and return to the previous menu Updating Fi...

Страница 151: ...brightness of the display s backlight during normal use LED Timeout sets a time delay after a period of non use that the brightness of the display s backlight will dim This feature can also be disable...

Страница 152: ...t setting is 900 s 15 minutes Select a time period between 1 and 60 minutes in 1 minute increments Press the cancel X button to discard changes and return to the previous menu Default setting is 10 mi...

Страница 153: ...or down arrow to place the cursor next to TCXO Offset then press the accept checkmark button to enter the TCXO Offset screen Use the up and down arrows to set the TCXO offset value in ppm for the ext...

Страница 154: ...io processor To view the HW Config screen select System Settings HW Config from the Main Menu see Figure 3 2 118 NOTE These settings are established at the factory based on the configuration that exis...

Страница 155: ...l Exciter A B Press the accept checkmark button to save the change Press X to abort the change and return to the previous menu LVPS Hardware From the front panel UI you can configure the transmitter f...

Страница 156: ...setting is 40 V Press the accept checkmark button to save the change If a reset is selected it will occur immediately Press X to abort the change and return to the previous menu Fan Speed The transmi...

Страница 157: ...itter as well as decrease power consumption i e utility costs and extend the operating life of the cooling fans UPS Installed From the front panel UI you can configure the transmitter for the installa...

Страница 158: ...odulation This feature is only available using the front panel UI From the front panel UI you can set the FM polarity To view the FM Polarity screen select System Settings FM Polarity from the Main Me...

Страница 159: ...has four sub menu options Thresholds see page 3 2 142 Calibration see page 3 2 143 see IMPORTANT note below Exciter Power see page 3 2 144 CAUTION Changing values in the System Settings Factory Settin...

Страница 160: ...sholds for critical parameters To view the Thresholds menu see Figure 3 2 126 select System Settings Factory Settings Thresholds from the Main Menu Figure 3 2 126 Thresholds Menu WARNING Threshold set...

Страница 161: ...ne of the following events installation of a new RF power module swapping of existing RF power modules installation of a new controller module NOTE Make sure that the RF stage is disabled RF Off and t...

Страница 162: ...er Refld Cal RF Drive exciter forward Exc Fwd and exciter reflected Exc Rfld calibrations are performed at the factory and should not require user adjustment Contact Nautel for assistance if necessary...

Страница 163: ...age 3 2 151 Refer also to the NV30LT N Pre installation Manual for information on remote inputs and outputs and their factory default settings Remote I O Settings Using the AUI To view the Remote I O...

Страница 164: ...elling the system to provide RF power if possible or the RF Off button on the local AUI There are two inputs configured by default one for Falling Edge Turn On and one for Falling Edge Turn Off Reset...

Страница 165: ...ge de activates the input Falling Edge Toggle Logic 0 low or trailing edge de activates the input next logic 0 low or trailing edge activates the input Rising Edge Toggle Logic 1 high or rising edge a...

Страница 166: ...or the status of operator controlled circuits Nautel sets digital output defaults prior to shipping See the NV30LT N Pre installation Manual for details Figure 3 2 131 Remote I O Page Remote Outputs t...

Страница 167: ...inactive logic level indicates the transmitter s RF power stage is off Preset Status 1 3 default The active preset s output will be indicated by a logic low The remaining non active preset outputs wil...

Страница 168: ...s the output is true Remote Logic 1 high indicates the output is false Local If the selected channel is Active Exciter the drop down options are Output Low When A Logic 0 low indicates the output is t...

Страница 169: ...Panel on page 3 2 153 or Analog Outputs see Monitoring Analog Outputs on page 3 2 154 to view or edit detail on the selected inputs or outputs Remote Inputs Front Panel Using the Remote Inputs screen...

Страница 170: ...edge RF On and current state e g high low of the corresponding input pin Use the right arrow button to enter the Selection Polarity screen for the selected input to allow editing of the selection or...

Страница 171: ...wn buttons to select the desired digital output 1 through 16 from the list Each screen shows the current digital output parameter e g RF On Off as well as the polarity e g RF On Low and current state...

Страница 172: ...output defaults prior to shipping There are no user configuration options They are for monitoring purposes only See the NV30LT N Pre installation Manual for details Analog Outputs AUI Select the Anal...

Страница 173: ...re installation Manual for details Figure 3 2 137 Analog Outputs Screens Use the up and down buttons to select the desired analog output 1 through 4 from the list Each screen shows the analog output p...

Страница 174: ...ght corner to close this page and return to the Home page Figure 3 2 138 Remote I O Page Site Control Adding or Editing a Site Control Rule Selecting the Add or Edit button displays the rule editing w...

Страница 175: ...display on the Status page and Events Log See Figure 3 2 11 on page 3 2 24 for a description of the severity levels for logged events In the Delay section use the drop down menu to select the time del...

Страница 176: ...ording to their selected Logic states to activate the rule the OR function requires one or both inputs to be asserted according to their selected Logic states to activate the rule the XOR function req...

Страница 177: ...ine as many different schedules as you desire To view the Scheduler page select Scheduler from the Menu options Figure 3 2 140 Scheduler page The left hand side of the Scheduler page displays a monthl...

Страница 178: ...ates must be less than one year apart In the Days section select the days of the week on which the rule will apply In the Time of Day section set the start From and end To times hours minutes and seco...

Страница 179: ...ling disabling the scheduler AUI When Scheduler ON appears the transmitter will follow the Scheduler settings When Scheduler OFF appears the transmitter will stop following the schedule and the active...

Страница 180: ...udio Player page has two selectable tabs Playlist see page 3 2 163 Streams see page 3 2 165 Figure 3 2 144 Audio Player page Playlist tab shown The playlist or Shoutcast Livewire stream is typically u...

Страница 181: ...t activate a preset that has Playlist selected in the Main Audio Secondary Digital Secondary Source in the Presets menu There are three sections in the Playlist tab Playlists Playlist Contents and Ava...

Страница 182: ...the rear of the controller they are not stored in the transmitter Only the audio files stored in the root directory of the most recently connected USB device appear on the playlist The list will be em...

Страница 183: ...Streams The NV30LT N is capable of playing audio streams in either Shoutcast or Livewire format The audio player supports Shoutcast playlists and IP addresses for audio streams For a Shoutcast playli...

Страница 184: ...page 3 2 165 click the Add button 2 Use the drop down menu to select the desired Type of audio stream Shoutcast or Livewire see Figure 3 2 147 3 Enter the appropriate information for the audio server...

Страница 185: ...ed audio stream from the list Click the Edit button to modify the audio stream or the Delete button to remove the audio stream 2 If you are editing an audio stream enter the appropriate information fo...

Страница 186: ...AUI The Changeover page is only displayed on the Main Menu window and the Active Exciter click shortcut is only available when dual exciters are installed and configured NOTE In order to edit any chan...

Страница 187: ...lect Changeover from the Main Menu see Figure 3 2 149 NOTE In order to edit any changeover settings the transmitter must be configured for Dual Exciter A B in the front panel UI s HW Config Installed...

Страница 188: ...changeover Changeover to the standby exciter occurs if the current active exciter experiences a fault that inhibits its operation Press the cancel X button to discard changes and return to the previou...

Страница 189: ...mitter when you received your Orban Inside kit verify that the Orban card has been installed in the transmitter according to the NVLT Orban Inside Quick Guide QG12001 provided with the Orban Inside ki...

Страница 190: ...croll down through this menu and select Audio Processor see Figure 3 2 151 2 In the Audio Processor screen see Figure 3 2 151 use the up and down buttons to toggle between None and Orban Inside defaul...

Страница 191: ...ired preset for use with the Orban audio processor or create a new preset 3 Within the selected preset s screen see C in Figure 3 2 152 on page 3 2 174 scroll down and select Main Audio 4 Within the M...

Страница 192: ...NV30LT N OPERATIONS MAINTENANCE MANUAL OPERATING THE TRANSMITTER PAGE 3 2 174 VERSION 0 1 2015 03 01 Figure 3 2 152 Enabling the Orban Audio Processor Front Panel UI A B OR C D E...

Страница 193: ...ring PC or laptop and in remote mode of operation navigate to the AUI s Main Menu Presets page 2 For the applicable preset click on the Other Settings tab see Figure 3 2 153 3 In the Orban Processor d...

Страница 194: ...on the front panel UI when remotely selecting a preset To create a new Orban Audio Processor Preset see Managing an Orban Audio Processor Preset on page 3 2 178 Selecting an Orban Preset Using the Fro...

Страница 195: ...er Settings tab see Figure 3 2 155 2 From the Orban Preset drop down list select the desired Orban preset e g ROCK LOUD etc Refer to the Orban Optimod 5500 manual for detailed information on the facto...

Страница 196: ...io Processor menu see Figure 3 2 157 on page 3 2 179 NOTE The Audio Processor page contains nine tabbed sections that allow managing of Orban presets These tabbed pages see Figure 3 2 157 on page 3 2...

Страница 197: ...OPERATIONS MAINTENANCE MANUAL OPERATING THE TRANSMITTER VERSION 0 1 2015 03 01 PAGE 3 2 179 Figure 3 2 157 Audio Processor Menu Less More tab shown Current Setting Adjustment Buttons Slider bar green...

Страница 198: ...nt preset is displayed If the current preset is not the preset you want to work with press the Load button to call up a window containing a list of alternate presets Presets that display an F are fact...

Страница 199: ...2 182 AGC see Figure 3 2 160 on page 3 2 182 EQ see Figure 3 2 161 on page 3 2 183 Final Clipping see Figure 3 2 162 on page 3 2 183 Multiband see Figure 3 2 163 on page 3 2 184 Compressors see Figur...

Страница 200: ...NV30LT N OPERATIONS MAINTENANCE MANUAL OPERATING THE TRANSMITTER PAGE 3 2 182 VERSION 0 1 2015 03 01 Figure 3 2 159 Audio Processor Menu Stereo Enhancer tab Figure 3 2 160 Audio Processor Menu AGC tab...

Страница 201: ...NV30LT N OPERATIONS MAINTENANCE MANUAL OPERATING THE TRANSMITTER VERSION 0 1 2015 03 01 PAGE 3 2 183 Figure 3 2 161 Audio Processor Menu EQ tab Figure 3 2 162 Audio Processor Menu Final Clipping tab...

Страница 202: ...V30LT N OPERATIONS MAINTENANCE MANUAL OPERATING THE TRANSMITTER PAGE 3 2 184 VERSION 0 1 2015 03 01 Figure 3 2 163 Audio Processor Menu Multiband tab Figure 3 2 164 Audio Processor Menu Compressors ta...

Страница 203: ...NV30LT N OPERATIONS MAINTENANCE MANUAL OPERATING THE TRANSMITTER VERSION 0 1 2015 03 01 PAGE 3 2 185 Figure 3 2 165 Audio Processor Menu Bandmix tab Figure 3 2 166 Audio Processor Menu Distortion tab...

Страница 204: ...NV30LT N OPERATIONS MAINTENANCE MANUAL OPERATING THE TRANSMITTER PAGE 3 2 186 VERSION 0 1 2015 03 01...

Страница 205: ...f the NV30LT N at scheduled intervals The recommended minimum time between scheduled maintenance visits is three months Local operating and environmental conditions may dictate more frequent visits wh...

Страница 206: ...ose hardware connection Check and if necessary retorque the ac input cables on terminal block TB1 See Section 2 5 Connecting Ac Power on page 2 5 1 of the NV30LT N Installation Manual to determine spe...

Страница 207: ...filter loosen the quarter turn fasteners on the appropriate front panel Lift the front panel away from the transmitter noting there are two slots in the bottom edge of the panel On the back side of th...

Страница 208: ...3 3 1 Replacing Air Filters Filter Quarter turn fasteners to remove each front panel Bracket Bracket Filter 4 quarter turn fasteners to remove each filter bracket not necessary to remove the rear pane...

Страница 209: ...itter If you have the optional exciter NAE107A installed you can use the remote AUI s spectrum analyzer to accurately assess the transmitter s spectral output Take a portable receiver to different loc...

Страница 210: ...ter panel by loosening the 16 quarter turn fasteners securing the panel to the transmitter 3 Replace the battery in the 3V BATTERY holder on the rear of the controller assembly see Figure 3 3 2 on pag...

Страница 211: ...LT N OPERATIONS MAINTENANCE MANUAL ROUTINE MAINTENANCE VERSION 0 1 2015 03 01 PAGE 3 3 7 Figure 3 3 2 Replacing Controller Battery Battery A8BT1 CONTROLLER ASSEMBLY Partial rear view filter panels rem...

Страница 212: ...standby exciter and be inactive disable automatic transfer 2 Remove the front filter panel by loosening the 13 quarter turn fasteners securing the panel to the transmitter 3 Remove the right hand uppe...

Страница 213: ...NV30LT N OPERATIONS MAINTENANCE MANUAL ROUTINE MAINTENANCE VERSION 0 1 2015 03 01 PAGE 3 3 9 Figure 3 3 3 Replacing Exciter Battery Battery BT1 EXCITER Top view cover removed...

Страница 214: ...ars and continuity tester Procedure Perform the following steps to test the lightning protection systems 1 Test the continuity between ground available at your lightning arrestor and ground available...

Страница 215: ...r network computer with Windows and Internet Explorer Web browser CAT5 Ethernet cable Upgrade software tgz file provided via email or web download Preliminary Checks 1 Determine the current software r...

Страница 216: ...IP address as follows DHCP OFF IP Address 10 10 10 2 Netmask 255 255 255 0 4 Set the transmitter for Remote control Laptop IP Setup The following steps assume the operating system is Windows XP Adapt...

Страница 217: ...o the transmitter upload file list Allow this operation to complete Installing New Software 1 Set the transmitter to RF Off and for Remote control If the transmitter is already in Remote control mode...

Страница 218: ...this manual for operating instructions of the front panel UI and remote AUI interfaces NOTE You must configure a minimum of two presets to allow this feature to operate One preset will act as the pri...

Страница 219: ...e original template preset s settings create a a new preset as follows see also Figure 3 4 3 on page 3 4 6 Click the Save button on the left side of the AUI display The Save Preset window will appear...

Страница 220: ...b see Figure 3 4 4 on page 3 4 7 4 Open the Mod Loss Timeout field s drop down menu Select Yes This will display five sub fields Action Mod Loss Preset Timeout Minutes Timeout Seconds and Threshold Op...

Страница 221: ...hreshold level a preset change will not occur Stations with audio content containing extended nulls or silent periods e g classical music should consider reducing the audio loss threshold or increasin...

Страница 222: ...NV30LT N OPERATIONS MAINTENANCE MANUAL NON STANDARD MAINTENANCE PAGE 3 4 8 VERSION 0 1 2015 03 01...

Страница 223: ...SWR No shutbacks or cutbacks have occurred LED Light Emitting Diode also referred to as lamp LVPS Low Voltage Power Supply A module or modules used in the ac dc power stage that generates the low leve...

Страница 224: ...NV30LT N OPERATIONS MAINTENANCE MANUAL LIST OF TERMS PAGE 3 5 2 VERSION 0 1 2015 03 01...

Страница 225: ......

Страница 226: ...877 6NAUTEL 662 8835 Canada USA only or Phone 1 902 823 3900 or Fax 1 902 823 3183 Nautel Inc 201 Target Industrial Circle Bangor Maine USA 04401 Phone 1 207 947 8200 Fax 1 207 947 3693 Customer Servi...

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