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GV5/GV3.5 OPERATIONS & MAINTENANCE MANUAL

OPERATING THE TRANSMITTER

VERSION 0.2 2014-07-23

PAGE 3.2.9

Advanced User Interface (AUI)

The GV5/GV3.5 has an advanced user interface (AUI) that is displayed on a 17-inch, colour LCD screen
mounted on the front of the transmitter (see

Figure 3.2.4

). You can access the AUI:



locally via the touch screen, or



remotely using a PC and a web browser, directly or through a switch or network - via the controller
module’s (A4) rear panel

LAN

connection or the remote interface PWB’s (A16)

LAN

connection

(J1), behind the front door.

This section includes the following topics:



Logging into the AUI, on page 3.2.10



Describing the AUI Layout, on page 3.2.12



List of AUI Pages, on page 3.2.13



Navigating from Page to Page, on page 3.2.16

Figure 3.2.4: GV5/GV3.5 AUI

Содержание GV5

Страница 1: ...3 OPERATIONS MAINTENANCE MANUAL GV5 GV3 5 TRANSMITTER Document ID NHB GV3 5 GV5 OPS Version 0 2 Issue Date 2014 07 23 Status Preliminary Making Digital Radio Work...

Страница 2: ......

Страница 3: ...07 947 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 inform...

Страница 4: ......

Страница 5: ...nced User Interface AUI 3 2 9 Controller Front Panel 3 2 17 Home Page 3 2 24 Viewing Transmitter Log 3 2 27 Viewing Tool Menu Panels 3 2 37 Viewing Real Time Meters 3 2 53 Presets Editing Operational...

Страница 6: ...r 3 2 196 Routine Maintenance 3 3 1 Scheduled Maintenance 3 3 1 Replacing an Air Filter 3 3 3 Performing On Air Checks 3 3 6 Replacing the Controller Module s Battery 3 3 7 Inspecting Lightning Protec...

Страница 7: ...2 2014 07 23 PAGE 3 VII RELEASE CONTROL RECORD ISSUE DATE REASON 0 1 2013 04 04 Preliminary Release of GV5 GV3 5 NARF71A 02 0 2 2014 07 23 Updated Section 2 Operating the Transmitter for software vers...

Страница 8: ...GV5 GV3 5 OPERATIONS MAINTENANCE MANUAL PAGE 3 VIII VERSION 0 2 2014 07 23...

Страница 9: ...to operate the low voltage power supplies which generate the 40 to 48 V dc voltage that is converted to the low level dc voltages 15 V and 5 V used throughout the transmitter This voltage is also cond...

Страница 10: ...put 40 48 V dc nominally 40 V that is applied to and controlled by the controller module via the module control interface PWB 5 V 15 V and 15 V regulated outputs are developed from the LVPS output vol...

Страница 11: ...reen on the front door of the transmitter and the controller module s front panel UI a 4 x 20 graphic LCD display and its adjacent keypad The AUI and controller UI each contain a menu based series of...

Страница 12: ...by exciter and provides the RF drive signals for the two RF power modules The assembly is comprised of the splitter changeover PWB A7A1 and the 2 way RF drive splitter attenuator PWB A7A2 Exciter Rela...

Страница 13: ...and generates the final RF output It consists of two RF power modules the module control interface PWB A3 a 10 kW combiner filter A12 an output power probe A15 a 2 input reject load assembly A13 and...

Страница 14: ...d power supplies applies control signals to the power supply modules fromthe controller and also monitors status signals and critical meters from the power supply modules and applies them to the contr...

Страница 15: ...sample is peak detected and applied to the control monitor stage via the module control interface PWB A3 The module control interface PWB provides an interface between the ac dc power stage s Rej Fan...

Страница 16: ...GV5 GV3 5 OPERATIONS MAINTENANCE MANUAL DESCRIPTION PAGE 3 1 8 VERSION 0 2 2014 07 23...

Страница 17: ...UT SYSTEM LAN SUPPLIED LVPS EXCITER LVPS EXCITER UPS INTERFACE AC AC UPS AUI VGA SPLITTER CHANGEOVER C M 2A MODULE 2 PA4 PA3 PA2 PA1 MODULE 1 REJECT POWER RF OUTPUT TRANSMITTER C M RF DRIVE B MUTE B S...

Страница 18: ...VERSION 0 2 2014 07 23 PAGE 3 1 10 LJXUH 9 9 XGLR 3DWK ORFN LDJUDP...

Страница 19: ...Viewing Tool Menu Panels see page 3 2 37 Viewing Real Time Meters see page 3 2 53 Viewing Real Time Meters using the AUI see page 3 2 53 Viewing Real Time Meters using the Controller UI see page 3 2...

Страница 20: ...iting Account Information see page 3 2 131 First Time Login see page 3 2 133 Changing Exciter Transfer Settings see page 3 2 134 Exciter Changeover Settings using the AUI see page 3 2 134 Exciter Chan...

Страница 21: ...page 3 2 173 Remote I O Settings using the AUI see page 3 2 173 Remote I O Settings using the Controller UI see page 3 2 179 Monitoring Analog Outputs see page 3 2 182 Site Control Settings see page 3...

Страница 22: ...Local Remote control push buttons see Controller Pushbuttons on page 3 2 19 This interface is considered a backup to the local AUI Remotely via a LAN connection using the advanced user interface AUI...

Страница 23: ...ions SNMP Configuration RDS Other Settings Upgrade Software Remote I O see 3 2 173 Remote Inputs Analog Outputs Status same as Menu Transmitter Status Logs see 3 2 27 Exciter TCXO Spectrum Eff Optimiz...

Страница 24: ...et see 3 2 114 SBC Watchdog see 3 2 114 Firmware Update see 3 2 115 LCD Settings see 3 2 115 Exc TCXO see 3 2 117 Edit Presets see Fig 3 2 2 Set Clock see 3 2 158 Network Settings see 3 2 141 Pilot Sa...

Страница 25: ...evel Limiter Settings see 3 2 91 Hard Limiter AGC Limiter 2 Slope Limiter Mod Loss see 3 2 95 Enable Threshold Timeout Action Preset RDS Phase PS Name PI Code Program Type Traffic Flags Music Speech D...

Страница 26: ...u can access the AUI locally via the touch screen or remotely using a PC and a web browser directly or through a switch or network via the controller module s A4 rear panel LAN connection or the remot...

Страница 27: ...motely perform the following steps 1 Configure your network settings see Network Setup on page 3 2 138 2 On your router or firewall software open ports 3501 3501 is factory default use corresponding o...

Страница 28: ...ser with proper permissions See Adding an Account on page 3 2 131 NOTE If no login attempt is made after 60 seconds a timeout feature will be activated and the web browser will be need to be refreshed...

Страница 29: ...view the AUI pages on the front panel of the transmitter regardless of the login status however only users with the appropriate permission level can access functions that alter the transmitter control...

Страница 30: ...meters configure Exgine interface information configure SNMP information capture critical parameters set time and date enable configure NTP servers set call sign ID set user thresholds audio and forwa...

Страница 31: ...ent forward power and power set point based on the active preset and reflected power levels as well as the operating mode FM FM HD HD etc and carrier frequency see Managing Presets using the AUI on pa...

Страница 32: ...to open the Transmitter Status page see Viewing Transmitter Status using the AUI on page 3 2 99 which provides current alarm and status details for the transmitter When the Status button is red one or...

Страница 33: ...ose an existing panel and then press in the blank space to display a menu of panels see Describing Instrument Panel Options on page 3 2 38 Meters Displays the real time meters that provide a system re...

Страница 34: ...vigational Buttons on page 3 2 18 LCD Display UI This display shows all the UI screens The display s top level screen used for viewing purposes only is shown in Figure 3 2 8 Figure 3 2 8 Top Level Scr...

Страница 35: ...dified Left on menu and list screens exits to the next higher level screen on edit screens moves the editing cursor left as applicable Right on menu and list screens goes to the next lower level scree...

Страница 36: ...cuit is intact The transmitter will operate at 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...

Страница 37: ...dit Presets IBOC Settings Edit the selected preset s settings for IBOC digital operation page 3 2 78 User Settings Edit Presets Main Audio Edit the selected preset s main audio characteristics such as...

Страница 38: ...al signal generator page 3 2 168 User Settings Ext 10 MHz Inp Enable disable the use of an external 10 MHz signal page 3 2 154 User Settings Scheduler Enable disable the scheduler page 3 2 189 User Se...

Страница 39: ...Exciter TCXO Calibrate the internal clock to a user supplied external high precision 10 MHz clock reference page 3 2 117 System Settings HD Optimizer Set parameters for the HD Optimizer feature which...

Страница 40: ...page 3 2 125 System Settings Factory Settings Thresholds Set protection thresholds for various parameters e g SWR shutback high low exciter power low very low forward power etc page 3 2 126 System Se...

Страница 41: ...ome page see Figure 3 2 11 is the first screen to appear when you login into the AUI You can return to the Home page from any screen by pressing on the logo upper left corner or by pressing Menu Home...

Страница 42: ...perations From the Home Page press the Menu button to view the Menu page see Figure 3 2 12 The Menu page displays icons that link to pages that control various transmitter operations Figure 3 2 12 Men...

Страница 43: ...ng 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 2 101 Select Remote I O to access a page that...

Страница 44: ...lows you to review the transmitter s event logs to check the operational status historical alarms perform troubleshooting or identify recent changes to transmitter controls Press Logs located on botto...

Страница 45: ...the alarm state is active red bell or cleared green checkmark and in some cases indicates whether the RF was turned on or off This column will also display which control state Local or Remote the tran...

Страница 46: ...iewing of further listings For example Page 1 4 means that the displayed page is one out of a possible 4 pages Press the Page button to reveal information about the pages The number of log matches dis...

Страница 47: ...s 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 48: ...ansmitter 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 49: ...the 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 17 You can paste the tab delimited text copy of the logs...

Страница 50: ...3 2 18 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 51: ...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 35 Events reveals th...

Страница 52: ...35 Viewing the Legend Press the Legend button in the Log Manager see Figure 3 2 20 to display a legend that describes the symbols shown in the State and Severity columns of the Logs page Press OK or C...

Страница 53: ...ge 3 2 28 Figure 3 2 21 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 scre...

Страница 54: ...can choose the panels for display from 11 possible instrument panels depending on purchased options This section include the following topics Describing Instrument Panel Options on page 3 2 38 Viewin...

Страница 55: ...various audio inputs and the precorrection forward reverse signal See page 3 2 43 AM AM Correction Displays the amplitude compensation being applied to the magnitude signal See page 3 2 48 AM PM Corre...

Страница 56: ...cursor position To make fine adjustments use the backward and forward buttons see Figure 3 2 23 To enlarge reduce the instrument panel use the maximize minimize buttons Some instrument displays show...

Страница 57: ...UAL OPERATING THE TRANSMITTER PAGE 3 2 40 VERSION 0 2 2014 07 23 Figure 3 2 24 Instrument Cursor Manipulation Figure 3 2 25 Instrument Panel Expansion Example Cursor Tools to move cursor and display i...

Страница 58: ...t 73 317 and IC BETS 6e NOTE While very accurate the spectrum analyzer may display artifacts spurs as some operating carrier frequencies that are a function of the analyzer and are not actually presen...

Страница 59: ...enter Allowable range is 10 1200 kHz Default setting is 1000 kHz Averages determines the number of averages that the analyzer performs per sweep Press the Clear Averaging button to restart the averagi...

Страница 60: ...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 useful...

Страница 61: ...n image is not fluid and will not change Click or touch 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 p...

Страница 62: ...idth Click or touch 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 Select other areas of the pane...

Страница 63: ...preset in software for each selected input and cannot be adjusted The following button controls are available Figure 3 2 31 Oscilloscope Left Right Audio input shown Use the cog button to gain access...

Страница 64: ...igure 3 2 32 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 Us...

Страница 65: ...low transmitter output power RF drive A LUT index value of 255 represents the maximum transmitter output power RF drive The LUT curve can show that at low transmitter output power more RF drive power...

Страница 66: ...correction Inversely a negative phase correction will be displayed in the plot given high output power levels This correction is represented on the plot via the x axis table index value of between 0 2...

Страница 67: ...the display is representative of the forward path that will be transmitted Sub carrier group information is shown in the lower right section of the screen Displayed information includes the sub carri...

Страница 68: ...lected when using MPX as the 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 an...

Страница 69: ...resenting the average power The average power is 0 db The y axis displays the probability of exceeding that power level This plot can be used to assess the distribution of a given signal and provides...

Страница 70: ...me Meters using the AUI The AUI can be used to display metered parameters on the Home page see Figure 3 2 38 if selected individually from the Meters List View page or saved in a meter list layout and...

Страница 71: ...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 72: ...n information window in tabular format see Figure 3 2 40 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 73: ...for display on the Home page Open the Meter List Save window from the Home page using the floppy disk button Figure 3 2 41 Press Save As to save the currently displayed meters Enter a name in the Layo...

Страница 74: ...ens are 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 38 on page 3 2 53 Figure 3 2 42 View Meters Screens Use the up...

Страница 75: ...B Temperature Reject 11 12 Power as applicable Reject 10kW Fan2 Speed Fan Speed Reject 13 14 Power as applicable Reject 10kW Fan3 Speed LVPS Voltage Reject 15 16 Power as applicable Reject Final Fan1...

Страница 76: ...ut Voltage PM1 PS A Voltage PM1 PA Voltage B PM1 PS A Input Current PM1 PS B Voltage PM1 PA 1 Curr PM1 PS B Input Current PM1 PS A Current PM1 PA 2 Curr PM1 Fan Voltage PM1 PS B Current PM1 PA 3 Curr...

Страница 77: ...teristics 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 followin...

Страница 78: ...e Current Settings have changed since the last preset was loaded Current Settings are not saved through an ac power cycle when the transmitter recovers from an ac power loss it loads the preset that w...

Страница 79: ...ent 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 80: ...de Set the overall transmission mode Available options are FM an analogue only mode transmits a carrier frequency modulated with audio HD all digital mode this mode transmits the upper and lower digit...

Страница 81: ...are actually 23 dBc this way when added the resultant total digital power level is 20 dBc For symmetrical sideband transmission if 14 dBc IBOC Injection level is desired total digital power of upper l...

Страница 82: ...GV5 GV3 5 OPERATIONS MAINTENANCE MANUAL OPERATING THE TRANSMITTER VERSION 0 2 2014 07 23 PAGE 3 2 65 Figure 3 2 45 Presets Main Audio...

Страница 83: ...dBu Digital Level applies to Primary Digital Secondary Digital and MPX Over AES sources only enter value between 25 5 and 0 dBFS typically 4 dBFS for 100 modulation value Audio Mode select Mono L Mon...

Страница 84: ...o modulation must be reduced by 1 Internal SCA1 2 Enable or disable the appropriate internal SCA SCA1 or SCA2 When enabled the settings listed below are active for the associated SCA signal 1 or 2 SCA...

Страница 85: ...AL OPERATING THE TRANSMITTER PAGE 3 2 68 VERSION 0 2 2014 07 23 Figure 3 2 47 Presets page RDS tab upper and lower sections NOTE Refer to FCC guidelines for allowable modulation depth with SCAs or RDS...

Страница 86: ...tify 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 in...

Страница 87: ...ve a traffic bulletin The TP flag is used to allow the user to find only those stations that regularly broadcast traffic bulletins whereas the TA flag is used to signal an actual traffic bulletin in p...

Страница 88: ...PERATIONS MAINTENANCE MANUAL OPERATING THE TRANSMITTER VERSION 0 2 2014 07 23 PAGE 3 2 71 Figure 3 2 48 Presets page Other Settings tab upper middle and lower sections UPPER SECTION LOWER SECTION MIDD...

Страница 89: ...Action select the action to take on the loss of a modulating signal post the timeout period Select None no resulting action Inhibit inhibits the RF output and fans until the audio returns or Change P...

Страница 90: ...defaulted to 120 Gain allowable range is 0 100 defaulted to 56 2 L R Limiter this look ahead limiter can be applied to the signal immediately before the stereo generator in the exciter It has a fixed...

Страница 91: ...edit existing presets To view the Presets page select Presets in the Menu page This section includes the following topics Selecting the Active Preset Editing or Creating Presets Selecting the Active...

Страница 92: ...see Figure 3 2 51 Press the accept checkmark button to enter the editing menu for that preset see Figure 3 2 52 Press the cancel X button to return to the previous menu When you create a new preset t...

Страница 93: ...3 5 Press the cancel X button to discard changes and return to the previous menu Figure 3 2 53 Output Power screen Frequency See Figure 3 2 54 Use the up and down buttons to edit the carrier frequency...

Страница 94: ...e IBOC Settings on page 3 2 78 for additional calibration settings This mode requires additional hardware FM HD also known as hybrid simulcast or low level combined this mode transmits the analog carr...

Страница 95: ...reen you can edit various IBOC parameters Figure 3 2 56 IBOC Settings menu Use the up and down buttons to scroll through the IBOC settings options then press the accept checkmark or right arrow button...

Страница 96: ...iciency Conversely smaller values result in improved efficiency but degrade the spectrum Typical values are between 35 V and 50 V and depend on many variables such as power level frequency and injecti...

Страница 97: ...ous main audio parameters see Figure 3 2 58 Figure 3 2 58 Main Audio menu Use the up and down buttons to scroll through the main audio menu options then press the accept checkmark or right arrow butto...

Страница 98: ...the up and down buttons to move the cursor to the desired audio input and then press the right button to enable editing of the parameter Figure 3 2 60 on page 3 2 82 shows all the editing screens for...

Страница 99: ...udio menu see Figure 3 2 59 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 100: ...ete 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 63 Pilot Settings editing screens Use the up and down b...

Страница 101: ...o 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 66 on page 3 2 85 Figure 3 2 65...

Страница 102: ...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 103: ...e 3 2 68 on page 3 2 87 and Figure 3 2 69 on page 3 2 88 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 104: ...save the change Press the cancel X button to discard changes and return to the previ ous menu Default setting is OFF Use the up and down buttons to select Select 150 bps 300 bps 600 bps 1 2 kbps 2 4...

Страница 105: ...se the up and down arrows to edit the character then press the accept checkmark button to save the change Press the cancel X button to discard changes and return to the previous menu Use the up and do...

Страница 106: ...ing See Figure 3 2 70 on page 3 2 89 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 107: ...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 108: ...er see Figure 3 2 75 on page 3 2 92 2 Slope Limiter see Figure 3 2 76 on page 3 2 93 L R Limiter see Figure 3 2 77 on page 3 2 94 MPX RMS Limiter see Figure 3 2 78 on page 3 2 95 Within a sub menu use...

Страница 109: ...utton 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 can...

Страница 110: ...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 ca...

Страница 111: ...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 112: ...use 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 113: ...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 114: ...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 115: ...ee Resetting Alarms Using the Controller UI Resetting Alarms Using the Controller UI When you select Reset Alarms from the Main Menu you can attempt to reset latched protection circuits in the GV5 GV3...

Страница 116: ...s and status to aid in fault diagnosis To view the Transmitter Status page select Status from the AUI bottom banner Click X to return to the home page You can also use the controller UI to view active...

Страница 117: ...roubleshooting 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...

Страница 118: ...ontroller UI on page 3 2 113 System Settings using the AUI The AUI s System Settings page see Figure 3 2 86 is accessible from the Main Menu options It contains the following options Reset on page 3 2...

Страница 119: ...te control enabled or disabled After the reboot delay you must log in to the AUI again to reset the ARM see also Exciter Power on page 3 2 129 To reset the active exciter press the Reboot Active Excit...

Страница 120: ...following sections and buttons Current Version indicates the current software version Select Upgrade File displays the available upgrade files uploaded to the transmitter Details opens a window conta...

Страница 121: ...ing the files you can upload to upgrade the software You can add or delete files from this list using the Browse Upload and Delete buttons in the window NOTE Before performing a software upgrade maxim...

Страница 122: ...ue 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 o...

Страница 123: ...t in the field Auto Find Gain Press the Start button to automatically find the optimized gain while the transmitter is RF On and in the applicable preset mode injection level FM HD Low Inj Gain Applic...

Страница 124: ...AINTENANCE MANUAL OPERATING THE TRANSMITTER VERSION 0 2 2014 07 23 PAGE 3 2 107 Figure 3 2 90 System Settings IBOC Settings NOTE You can also establish IBOC settings using the controller UI see IBOC S...

Страница 125: ...it Reduce Power Set Point If Required Select Yes or No Selecting Yes enables a reduction in the transmitter power set point if the sepctrum mask requires it Desired Mask Delta Set the desired clearan...

Страница 126: ...mitter ships with dual LVPS modules LVPS Voltage Set the default LVPS voltage between 35 and 53 V used by the transmitter during normal operation Under fault conditions if the LVPS voltage requires an...

Страница 127: ...Yes if a UPS interface kit is installed in the transmitter to allow operation with an external user provided UPS Select No if there is no UPS interface kit installed If you have upgraded your transmit...

Страница 128: ...93 allows users to invert the polarity of the frequency modulation i e positive going modulation signal yields positive deviation or positive going modulation signal yields negative deviation Options...

Страница 129: ...ou have a reliable calibrated audio source The Audio Input Calibration page see Figure 3 2 94 allows the user to calibrate analog and MPX composite audio inputs The peak meter value of each calibrated...

Страница 130: ...g Exciter TCXO Offset see page 3 2 117 Optimizing HD Parameters see page 3 2 118l Configuring Installed Hardware see page 3 2 120 FM Polarity see page 3 2 124 Adjusting Factory Settings see page 3 2 1...

Страница 131: ...e 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 Configuring SBC Watchdog NOTE SBC watchdog configuration is only a...

Страница 132: ...97 Firmware Update Screen Adjusting Display Settings NOTE Controller UI display settings are only available using the controller UI From the controller s UI you can configure the LCD display s contra...

Страница 133: ...Editing Screens Select disabled i e no timeout or select a time period be tween 0 and 1800 seconds 30 minutes in 5 s increments Press the cancel X button to discard changes and return to the previous...

Страница 134: ...p 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 ex...

Страница 135: ...e HD Optimizier screen select User Settings HS Optimizer from the Main Menu see Figure 3 2 98 Figure 3 2 101 HD Optimizer Menu This menu has five sub menu options Enable Reduce Inj Reduce TPO Desired...

Страница 136: ...PA voltage setting to maximize efficiency based on the transmitter output spectrum Depending on other settings in this section it may require other actions to maintain the transmitter s compliance Se...

Страница 137: ...g UPS or audio processor To view the HW Config screen select User Settings HW Config from the Main Menu see Figure 3 2 98 NOTE These settings are established at the factory based on the configuration...

Страница 138: ...figuration Exciter A or Dual 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 NOTE You can also adjust the LVP...

Страница 139: ...lt 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 NOTE You...

Страница 140: ...osts and extend the operating life of the cooling fans UPS Installed NOTE You can also adjust the UPS Installed setting using the AUI see Hardware Configuration on page 3 2 109 From the controller UI...

Страница 141: ...can also adjust the FM polarity using the AUI see FM Polarity on page 3 2 111 From the front panel UI you can set the FM polarity To view the FM Polarity screen select System Settings FM Polarity fro...

Страница 142: ...enu options Thresholds see page 3 2 126 Calibration see page 3 2 127 see IMPORTANT note below Exciter Power see page 3 2 129 Exc HD PA V see page 3 2 129 CAUTION Changing values in the System Settings...

Страница 143: ...esholds for critical parameters To view the Thresholds menu see Figure 3 2 111 select System Settings Factory Settings Thresholds from the Main Menu Figure 3 2 111 Thresholds Menu WARNING Threshold se...

Страница 144: ...one 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...

Страница 145: ...elected audio input With the appropriate calibrated audio source s applied use the up and down arrows to set the new calibration value for the selected audio input When complete press the accept check...

Страница 146: ...Exciter Power Screen Use the up and down buttons to select a power level between 55 and 165 W in 5 W increments Press the accept checkmark button to save the change Press X to abort the change and ret...

Страница 147: ...to a given user some features shown in Figure 3 2 115 may not be displayed or available This section includes the following topics Setting User Permission Level on page 3 2 131 Editing Account Inform...

Страница 148: ...trator to use this function Procedure to add a user see Figure 3 2 116 on page 3 2 133 1 Open the User Accounts page 2 Press Add bottom of the screen to open a small Add User window 3 Beside Username...

Страница 149: ...anging 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 simply...

Страница 150: ...t and press 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 2 116 User Ac...

Страница 151: ...is only displayed on the Main Menu window and the Active Exciter shortcut is only available when dual exciters are installed and configured NOTE In order to edit any changeover settings the transmitt...

Страница 152: ...ct System Settings Changeover from the Main Menu see Figure 3 2 118 NOTE In order to edit any changeover settings the transmitter must be configured for Dual Exciter A B in the front panel UI s Instal...

Страница 153: ...angeover Changeover to the standby exciter occurs if the current active exciter experiences a fault that inhibits its operation Press the cancel X button to dis card changes and return to the previous...

Страница 154: ...on page 3 2 145 Configuring Exgine Settings on page 3 2 147 Nautel Phone Home on page 3 2 149 SNMP Configuration on page 3 2 150 Capturing Critical Parameters on page 3 2 152 Using an External 10 MHz...

Страница 155: ...og in after changes have been made Determining DHCP Setting One of the main decisions in configuring the network connection on your GV5 GV3 5 transmitter is whether you set DHCP to ON or OFF If you ar...

Страница 156: ...her parameter entries If Static IP was selected enter the IP Address Subnet Mask and Default Gateway IP Address displays unique numerical network identifier for the transmitter Subnet Mask Masks an IP...

Страница 157: ...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 and down button...

Страница 158: ...address 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 DH...

Страница 159: ...rent operating systems 3 On the laptop go to Start Menu Control Panel Network Connections Local Area Network 4 In the Local Area Network Status open the General tab and choose Properties Scroll down a...

Страница 160: ...sed see Notifications on page 3 2 145 NOTE Nautel recommends that the following settings be entered vetted by a qualified Network Administrator Figure 3 2 123 Email Configuration page To configure the...

Страница 161: ...l 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 a...

Страница 162: ...ures Press Add to create a new item for notification press Update after highlighting an existing item to edit an existing item or press Delete to erase an item 2 When you press Add or Edit the screen...

Страница 163: ...GV5 GV3 5 OPERATIONS MAINTENANCE MANUAL OPERATING THE TRANSMITTER PAGE 3 2 146 VERSION 0 2 2014 07 23 Figure 3 2 125 Notifications adding updating page...

Страница 164: ...ions on the right side of the screen Press Refresh to ensure that the latest Exgine configuration information is loaded 3 Enter the following parameters if applicable and press Apply Digital Carriers...

Страница 165: ...ilize port 11000 instead Mac Address Displays a number that serves as unique network adapter identifier This is set by the manufacturer and is displayed for informational purposes only It may be neces...

Страница 166: ...r 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 is used by Naut...

Страница 167: ...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 SNMP...

Страница 168: ...ndo to restore the previous settings Figure 3 2 129 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 change...

Страница 169: ...age From this page you can select 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 acti...

Страница 170: ...l 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 the exter...

Страница 171: ...external 10 MHz input see Figure 3 2 132 select User Settings Ext 10 MHz Inp from the Main Menu Figure 3 2 132 Front Panel External 10 MHz Input screen Use the up or down arrow to toggle between ON us...

Страница 172: ...s to select the appropriate FM mask standard FCC ETSI or None being used by the analyzer The selection affects the mask lines on the Spectrum Analyzer instrument Use the Mask Type pull down menu to se...

Страница 173: ...he AUI see Setting the Clock using the AUI or using the controller UI see Setting the Clock Using the Controller UI on page 3 2 158 If you change the clock setting on the controller UI it will also be...

Страница 174: ...r 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 Can...

Страница 175: ...ange 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 th...

Страница 176: ...NTP Servers page see Figure 3 2 136 select NTP Servers from the User Settings options There are several functions available on this page enabling NTP monitoring NTP server status and managing servers...

Страница 177: ...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 178: ...r UI on page 3 2 163 These thresholds determine the limit for an associated low audio or low forward power alarm to be activated If you change a user threshold on the controller UI it will also be ref...

Страница 179: ...will clear To disable the low audio alarm set the associated Trip Level to 100 dB Press Apply to save the change or Cancel to discard changes Selecting the Low Forward Power tab displays a screen tha...

Страница 180: ...own 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 2 140 Audio Low Editing Screens Select a...

Страница 181: ...will be displayed in brackets on the top transmitter banner of the AUI and also be included as a header in any Critical Parameter data copied and pasted to a spreadsheet program see Capturing Critical...

Страница 182: ...ng 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 al...

Страница 183: ...the Controller UI on page 3 2 74 Set Clock see Setting the Clock Using the Controller UI on page 3 2 158 Network Settings see Network Setup Using the Controller UI on page 3 2 140 Setting Pilot Sample...

Страница 184: ...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 2 143 Fi...

Страница 185: ...er Settings Signal Gen from the Main Menu see Figure 3 2 144 Figure 3 2 144 Signal Generator Menus Use the up and down buttons to move the cursor to the desired line item and then press the right butt...

Страница 186: ...Noise Press the cancel X button to discard changes and re turn to the previous menu Select ON enabled or OFF disabled Press the cancel X button to discard changes and return to the previous menu Defau...

Страница 187: ...g 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 Figure 3...

Страница 188: ...is typically used in sites with multiple transmitters on a common generator By staggering the turn on delay periods of each transmitter you can reduce the overall load on the generator To view the Tu...

Страница 189: ...oximately 28 seconds In multi transmitter systems that are on a common generator or power grid adjusting the ramp up speed can be used to reduce the transient load on the source during an ac power rec...

Страница 190: ...he GV5 GV3 5 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 page see Figure 3 2 149 se...

Страница 191: ...e RF On telling 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 O...

Страница 192: ...e 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 ac...

Страница 193: ...or the status of operator controlled circuits Nautel sets digital output defaults prior to shipping See the GV5 GV3 5 Pre installation Manual for details Figure 3 2 151 Remote I O Page Remote Outputs...

Страница 194: ...ransmitter s RF power stage is on enabled The 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 l...

Страница 195: ...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 196: ...81 or Analog Outputs see Monitoring Analog Outputs on page 3 2 182 to view or edit detail on the selected inputs or outputs Digital Inputs Controller UI Using the Remote Inputs screens see Figure 3 2...

Страница 197: ...g 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 198: ...down 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 sta...

Страница 199: ...ts analog output defaults prior to shipping There are no user configuration options They are for monitoring purposes only See the GV5 GV3 5 Pre installation Manual for details Analog Outputs AUI Selec...

Страница 200: ...Pre installation Manual for details Figure 3 2 157 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...

Страница 201: ...corner to close this page and return to the Home page Figure 3 2 158 Remote I O Page Site Control Adding or Editing a Site Control Rule Selecting the Add or Edit button displays the rule editing wind...

Страница 202: ...display on the Status pageand Events Log See Figure 3 2 14 on page 3 2 29 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 203: ...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 204: ...efine as many different schedules as you desire To view the Scheduler page select Scheduler from the Menu options Figure 3 2 160 Scheduler page The left hand side of the Scheduler page displays a mont...

Страница 205: ...dates 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 sec...

Страница 206: ...bling 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 preset w...

Страница 207: ...The Audio Player page has two selectable tabs Playlist see page 3 2 191 Streams see page 3 2 193 Figure 3 2 164 Audio Player page Playlist tab shown The playlist or Shoutcast Livewire stream is typica...

Страница 208: ...st 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 Av...

Страница 209: ...ear 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 empty i...

Страница 210: ...GV5 GV3 5 is capable of playing audio streams in either Icecast Shoutcast or Livewire format The audio player supports Icecast Shoutcast playlists and IP addresses for audio streams For an Icecast Sho...

Страница 211: ...1 press the Add button 2 Use the drop down menu to select the desired Type of audio stream Icecast Shoutcast or Livewire see Figure 3 2 167 3 Enter the appropriate information for the audio server Nam...

Страница 212: ...udio stream from the list Press 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 for th...

Страница 213: ...received your Orban Inside kit verify that the Orban card has been installed in the transmitter according to the Orban Inside Quick Guide QG12001 provided with the Orban Inside kit Refer to the Pre i...

Страница 214: ...he transmitter turned on and in local mode of operation navigate to the controller UI s Main Menu System Settings HW Config menu Scroll down through this menu and select Audio Processor see Figure 3 2...

Страница 215: ...he drop arrow in the Audio Processor field Select Orban Inside to enable the Orban audio processor for use selecting None disables it Press or click the Apply button to save the change Press or click...

Страница 216: ...or use with the Orban audio processor or create a new preset 3 Within the selected preset s screen see C in Figure 3 2 170 on page 3 2 200 scroll down and select Main Audio 4 Within the Main Audio scr...

Страница 217: ...GV5 GV3 5 OPERATIONS MAINTENANCE MANUAL OPERATING THE TRANSMITTER PAGE 3 2 200 VERSION 0 2 2014 07 23 Figure 3 2 170 Enabling the Orban Audio Processor Controller UI A B OR C D E...

Страница 218: ...urned on navigate to the AUI s Main Menu Presets page 2 For the applicable preset press the Other Settings tab see Figure 3 2 171 3 In the Orban Processor drop down list select Enabled to enable the a...

Страница 219: ...lect the change and vice versa To create a new Orban Audio Processor Preset see Managing an Orban Audio Processor Preset on page 3 2 204 Selecting an Orban Preset using the AUI 1 From the AUI s Main M...

Страница 220: ...o edit Main Audio Audio Processor menu see Figure 3 2 173 select Preset 2 Use the up and down arrows to scroll through the list of available Orban presets e g ROCK LOUD etc Select the desired preset a...

Страница 221: ...io Processor menu see Figure 3 2 175 on page 3 2 205 NOTE The Audio Processor page contains nine tabbed sections that allow managing of Orban presets These tabbed pages see Figure 3 2 175 on page 3 2...

Страница 222: ...OPERATIONS MAINTENANCE MANUAL OPERATING THE TRANSMITTER VERSION 0 2 2014 07 23 PAGE 3 2 205 Figure 3 2 175 Audio Processor Menu Less More tab shown Current Setting Adjustment Buttons Slider bar green...

Страница 223: ...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 224: ...age 3 2 208 AGC see Figure 3 2 178 on page 3 2 208 EQ see Figure 3 2 179 on page 3 2 209 Final Clipping see Figure 3 2 180 on page 3 2 209 Multiband see Figure 3 2 181 on page 3 2 210 Compressors see...

Страница 225: ...V5 GV3 5 OPERATIONS MAINTENANCE MANUAL OPERATING THE TRANSMITTER PAGE 3 2 208 VERSION 0 2 2014 07 23 Figure 3 2 177 Audio Processor Menu Stereo Enhancer tab Figure 3 2 178 Audio Processor Menu AGC tab...

Страница 226: ...GV5 GV3 5 OPERATIONS MAINTENANCE MANUAL OPERATING THE TRANSMITTER VERSION 0 2 2014 07 23 PAGE 3 2 209 Figure 3 2 179 Audio Processor Menu EQ tab Figure 3 2 180 Audio Processor Menu Final Clipping tab...

Страница 227: ...5 GV3 5 OPERATIONS MAINTENANCE MANUAL OPERATING THE TRANSMITTER PAGE 3 2 210 VERSION 0 2 2014 07 23 Figure 3 2 181 Audio Processor Menu Multiband tab Figure 3 2 182 Audio Processor Menu Compressors ta...

Страница 228: ...GV5 GV3 5 OPERATIONS MAINTENANCE MANUAL OPERATING THE TRANSMITTER VERSION 0 2 2014 07 23 PAGE 3 2 211 Figure 3 2 183 Audio Processor Menu Bandmix tab Figure 3 2 184 Audio Processor Menu Distortion tab...

Страница 229: ...GV5 GV3 5 OPERATIONS MAINTENANCE MANUAL OPERATING THE TRANSMITTER PAGE 3 2 212 VERSION 0 2 2014 07 23...

Страница 230: ...d environmental conditions may dictate more frequent visits while in remote sites less frequent visits may be acceptable Experience and system reliability will determine the most practical schedule fo...

Страница 231: ...t cases hardware is metric A mounting surface or terminal that has changed colour indicates a loose hardware connection Check and if necessary retorque the ac input cables on terminal block TB1 See Se...

Страница 232: ...or damage 3 Remove the old or damaged filter as follows For a front air filter see Figure 3 3 1 on page 3 3 4 open the front door On the back side of the door loosen the two quarter turn fasteners sec...

Страница 233: ...OPERATIONS MAINTENANCE MANUAL ROUTINE MAINTENANCE PAGE 3 3 4 VERSION 0 2 2014 07 23 Figure 3 3 1 Replacing Front Air Filters Bracket Filter 2 quarter turn fasteners to remove filter bracket Air flow...

Страница 234: ...ANCE MANUAL ROUTINE MAINTENANCE VERSION 0 2 2014 07 23 PAGE 3 3 5 Figure 3 3 2 Replacing Rear Air Filters Bracket 4 quarter turn fasteners to remove filter bracket not necessary to remove the rear pan...

Страница 235: ...l output of the transmitter You can use the local or remote AUI s spectrum analyzer to accurately assess the transmitter s spectral output Take a portable receiver to different locations in your cover...

Страница 236: ...ry 1 Remove the upper rear filter panel by loosening the 12 quarter turn fasteners securing the panel to the transmitter 2 Replace the battery in the 3V BATTERY holder on the rear of the controller as...

Страница 237: ...GV5 GV3 5 OPERATIONS MAINTENANCE MANUAL ROUTINE MAINTENANCE PAGE 3 3 8 VERSION 0 2 2014 07 23 Figure 3 3 3 Replacing Controller Battery CONTROLLER MODULE Rear view filter panel removed 3 V Battery...

Страница 238: ...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 239: ...GV5 GV3 5 OPERATIONS MAINTENANCE MANUAL ROUTINE MAINTENANCE PAGE 3 3 10 VERSION 0 2 2014 07 23...

Страница 240: ...or 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...

Страница 241: ...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 242: ...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 243: ...manual for operating instructions of the AUI local or remote and controller UI local interfaces NOTE You must configure a minimum of two presets to allow this feature to operate One preset will act as...

Страница 244: ...he 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 245: ...ab 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 O...

Страница 246: ...threshold 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 increasi...

Страница 247: ...GV5 GV3 5 OPERATIONS MAINTENANCE MANUAL NON STANDARD MAINTENANCE PAGE 3 4 8 VERSION 0 2 2014 07 23...

Страница 248: ...itions high VSWR 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...

Страница 249: ...GV5 GV3 5 OPERATIONS MAINTENANCE MANUAL LIST OF TERMS PAGE 3 5 2 VERSION 0 2 2014 07 23...

Страница 250: ......

Страница 251: ...1 877 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 Ser...

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