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NX50 Operations and Maintenance Manual

Operating the transmitter

Page 2-74

Issue 3.3 2016-02-08

User Settings

The

User Settings

page (see

Figure 2.55

) allows you to modify various custom user settings such as

network settings and email notification settings.

Figure 2.55: User Settings Page

This section includes the following topics:

•

"Setting up the Network", on page 2-75

•

"Email Configuration", on page 2-77

•

"Notifications", on page 2-79

•

"Exgine Network Settings", on page 2-81

•

"SNMP Configuration", on page 2-83

•

"Critical Parameters", on page 2-85

•

"Time Setup", on page 2-86

•

"NTP Servers", on page 2-88

•

"Nautel Phone Home", on page 2-90

•

"Setting call sign/ID", on page 2-91

Содержание NX50

Страница 1: ...NX50 Transmitter Operations and Maintenance Manual Document NHB NX50 OPS Issue 3 3 2016 02 08 Status Standard...

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Страница 3: ...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 information provi...

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Страница 5: ...u page describing transmitter operations 2 19 Viewing Transmitter Log 2 21 Instrument Panels viewing displays 2 28 Meters page viewing real time meters 2 43 Presets editing operational settings 2 49 P...

Страница 6: ...aintenance 3 1 Scheduled maintenance 3 1 Replacing a damaged air filter 3 2 Performing on air checks 3 3 Replacing the control interface PWB battery 3 4 Inspecting lightning protection systems 3 5 Non...

Страница 7: ...lease 3 of transmitter NARA53B Software Release NX4 0 3 1 2014 10 14 Software Release NX4 3 updates including Nautel Phone Home changed safety interlock switch to ac disconnect switch 3 2 2015 10 30 V...

Страница 8: ...NX50 Operations and Maintenance Manual Page viii Issue 3 3 2016 02 08...

Страница 9: ...er Stage see page 1 3 Control Monitor Stage see page 1 5 RF Power Stage see page 1 6 RF Output Network see page 1 6 includes combiner and filter Refer to the functional block diagram see Figure 1 6 on...

Страница 10: ...utput of the rectifier assembly is fed through the Hall Effect current sensor which supplies a dc current signal to the rack interface PWB The rectifier assembly output is applied to the B distributio...

Страница 11: ...cy sources and interphase PDM drive signals for the power amplifiers and modulators in the RF power modules Audio input can be applied as as analog balanced or AES EBU or digital I Q in AES EBU or CMO...

Страница 12: ...supply voltage is monitored A B compensation circuit attempts to regulate the regulated B supply in order to hold the transmitter output power constant and mimimize distortion An inhibit PDM input is...

Страница 13: ...mitter All analog and digital program inputs are applied to the transmitter via the control interface PWB for distribution to the exciter stage A 17 inch colour LCD screen mounted on the front of the...

Страница 14: ...ining transformer The resultant combined output is applied to the RF output network To facilitate on air servicing each module has an associated relay that forces a contact closure across the appropri...

Страница 15: ...pler RF Voltage Sample Forward Power RF Current Sample RF 1 L Shunt Capacitor Bank A44 Static Drain Parallel Capacitors E1 Spark gap RF Out to Antenna L L Series Combining Transformer Shunt Capacitor...

Страница 16: ...instantly reduces to 0 W This is called a Shutback see description below Shutback During a single shutback event see Figure 1 4 on page 1 9 the transmitter reduces the out put power to 0 W and remain...

Страница 17: ...NX50 Operations and Maintenance Manual Description Issue 3 3 2016 02 08 Page 1 9 Figure 1 4 Shutback Event...

Страница 18: ...adually reduced in order to maintain a reflected power that is less than this limit This gradual reduction in power into high VSWR allows the transmitter to continue to operate into VSWR levels as hig...

Страница 19: ...NX50 Operations and Maintenance Manual Issue 3 3 2016 02 08 Page 1 11 NX Series Transmitter Block Diagram...

Страница 20: ...21 Instrument Panels viewing displays see page 2 28 Meters page viewing real time meters see page 2 43 Presets editing operational settings see page 2 49 Preset Scheduler see page 2 64 Status viewing...

Страница 21: ...ntrol cabinet see Figure 2 1 The AUI is controlled locally by a touch screen or remotely using a PC and a web browser This section includes the following topics Logging into the AUI on page 2 3 Descri...

Страница 22: ...2 69 Changeover Changeover page changing exciter transfer settings on page 2 110 User settings User Settings on page 2 74 Remote input output configuration Remote I O page on page 2 120 Scheduler Pres...

Страница 23: ...vailable language options and select one In the User field enter the username Default is Nautel In the Password field enter the password Default is blank NOTE The Nautel AUI is factory configured with...

Страница 24: ...er Settings see page 2 74 Network Setup Email Configuration Notifications Exgine Settings SNMP Configuration Audio Loss Power Thresholds Remote I O see page 2 120 Inputs Outputs Status see page 2 67 L...

Страница 25: ...figured see User Accounts on page 2 69 the AUI Home page will display without a login requirement 3 If the Local Autologin feature is not configured the login menu see Figure 2 3 on page 2 7 will appe...

Страница 26: ...ime Press Menu User Settings to access the Time Setup page to edit the time and date Time Setup on page 2 86 Scheduler Displays the on off status of the Scheduler Press the Scheduler button upper pane...

Страница 27: ...ncludes the following buttons some of which open other menus and displays RF On Press to enable the transmitter s RF power stage RF Off Press to disable the transmitter s RF power stage Menu Press to...

Страница 28: ...emote control functions same as local AUI Only the following remote AUI functionality is available when remote control is disabled All other functionality is unavailable remotely Full viewing access A...

Страница 29: ...screen by pressing the logo upper left corner or by selecting Menu Home The Menu page is accessed from the bottom panel by pressing Menu Figure 2 5 Home page and Menu page selection items HOME PAGE p...

Страница 30: ...See Page Home first page available via local or remote operation Displays an overview of transmitter features including various meters and instrument panels Choose options and navigate to other pages...

Страница 31: ...remote operation Choose the instrument panel option s 16 options are available Up to four screens can appear on one page 2 28 System Review Meters available via local or remote operation Choose meters...

Страница 32: ...e via local operation or remote operation Create and edit scheduler rules 2 64 Transmitter Status available via local or remote operation View transmitter s active faults 2 67 User Accounts available...

Страница 33: ...gure SNMP information capture critical parameters set time and date enable configure NTP servers and set call sign ID 2 74 System Settings available via local or remote operation Screen configuration...

Страница 34: ...Control various critical parameter functions using the Precorrection page 2 101 Changeovers available via local or remote operation Set the main exciter and auto exciter changeover functions 2 110 Fa...

Страница 35: ...nsmitter Issue 3 3 2016 02 08 Page 2 17 Remote I O available via local or remote operation Define remote digital inputs and outputs 2 120 Audio Player available via local or remote operation Manage th...

Страница 36: ...rst screen to appear after you log into the AUI It contains the images that were last viewed in the AUI from the previous login session You can return to the Home page from any screen by pressing the...

Страница 37: ...select the following operations Press Home to return to the home page Home page describing the first page on page 2 18 Press Presets to open screens related to presets Presets editing operational sett...

Страница 38: ...hangeover page changing exciter transfer set tings on page 2 110 Press User Settings to access a page that allows network configuration email configuration and alarm notifications setting of Exgine pa...

Страница 39: ...Manager screen see Managing the Log on page 2 22 the events displayed may be filtered by the originating device Controller Exciter Rack or PM power module and the time of occurrence A maximum of five...

Страница 40: ...display indicate specific information about the event Device indicates the origin device of the event Controller Exciter Rack RF Module etc Event indicates the event name State indicates whether the...

Страница 41: ...ble exciter events only Rack displays applicbale Rack events only PM displays applicable power module events only Click the Select All radio button default to show all of the most recent events for th...

Страница 42: ...all the logs in the selected list copied to the remote user s computer clipboard by clicking on the Copy Logs button in the log manager see Figure 2 10 You can paste the tab delimited text copy of the...

Страница 43: ...on page 2 25 Click the Delete All checkbox and click OK to delete all events Click the Delete by date checkbox to allow deletion of events that occurred prior to Older than a user specified date and...

Страница 44: ...ate specific information about the events Device refers to the device that is associated with the alarm The device options are Controller Exciter Rack and PM power module Event describes the alarm e g...

Страница 45: ...16 02 08 Page 2 27 Legend Click on the Legend button in the Log Manager see Figure 2 13 to display a legend that describes the meaning of the symbols shown in the State and Severity columns of the Log...

Страница 46: ...ls to display from 12 possible information panels Figure 2 14 Figure 2 14 Instrument Panel Options To view the instrument panel options close an existing panel by pressing X upper right corner and the...

Страница 47: ...phase signal 2 36 Signal Constellation For IBOC mode only Displays the phase and amplitude of the symbols being modulated within an OFDM sub carrier as dots on a cartesian graph Also displays timing...

Страница 48: ...DRM and DRM AM standards ITU R SM 328 11 and ITU R SM 1541 4 IBOC and IBOC AM NRSC 5 C NOTE Any spurious emissions that are displayed are a product of the spectrum analyzer and are not actually prese...

Страница 49: ...lt is 300 Hz Decreasing this value provides better frequency resolution but will increase the sweep time Span determines the start and stop frequencies of the analyzer with the carrier frequency alway...

Страница 50: ...relative to the channel frequency Figure 2 17 EQ Frequency Response EQ frequency response See Figure 2 17 This panel displays the frequency response of the active exciter s EQ filter Displays the gai...

Страница 51: ...displays the impulse response of the modulator s EQ filter Touch on the panel to display a cursor in the approximate area The cursor position filter tap and magnitude is noted in the upper right hand...

Страница 52: ...bandwidth 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 Touch in other areas of the tool...

Страница 53: ...l displays the amplitude correction being applied to the magnitude signal The x axis represents the signal amplitude and the y axis represents the gain correction applied for a given amplitude value T...

Страница 54: ...sents the phase shift correction applied for a given amplitude value Touch on the panel to display a cursor in the approximate area The cursor position LUT index and phase is noted in the upper right...

Страница 55: ...ata points Sub carrier group information is shown in the lower right section of the screen Displayed information includes the sub carrier group name the bandwidth that the selected carrier group occup...

Страница 56: ...g in stereo mode or not operating digital 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 m...

Страница 57: ...0 ohms which implies a perfect 50 ohm load is being applied to the output of the transmitter Touch on the panel to display a cursor in the nearest area on the trace showing the normalized impedance pl...

Страница 58: ...Q modulation for the transmitter I Q bar graphs will show levels in DRM or IBOC mode only The level shown in yellow represents the currently measured peak modulation level with the RMS level shown in...

Страница 59: ...audio inputs selected in the preset The level shown in yellow represents the currently measured peak amplitude with the RMS level shown in green An actual RMS value is displayed below the meter The re...

Страница 60: ...ting the average power The y axis displays the probability of exceeding that power level This graph can be used to assess the distribution of a given signal and provides an indication of the amount of...

Страница 61: ...minimum and maximum values The current value for a meter is indicated by an arrow on the colour coded bar as well as a displayed value below the meter A parameter value in the green section of a meter...

Страница 62: ...er information on a specific transmitter sub system 1 Open the Meters List View window which organizes the available meters by transmitter sub system Controller Figure 2 30 on page 2 45 Exciter A Figu...

Страница 63: ...meters in tabular format NOTE When a meter value is updated a blue box briefly appears around that value Typically updates occur every one or two seconds 3 To choose individual meters for display in t...

Страница 64: ...NX50 Operations and Maintenance Manual Operating the transmitter Page 2 46 Issue 3 3 2016 02 08 Figure 2 31 Meters Information Display for the Exciter Figure 2 32 Meters Information Display for Rack 1...

Страница 65: ...hexidecimal serial address see Figure 2 33 shown within the Front Panel Inhibit button with that shown on the label on the front of the power module On the modules summary screen Figure 2 33 meters fo...

Страница 66: ...r specifics for display on the Home page 1 Open the Meter List Save window from the Home page using the floppy disk button Figure 2 34 Press Save As to save the currently displayed meters Enter a name...

Страница 67: ...or edit existing presets To view the Presets page select Presets in the Menu page This section includes the following topics Activating Presets on page 2 50 Editing or Creating Presets on page 2 50 L...

Страница 68: ...or Creating Presets When the Presets page see Figure 2 37 on page 2 56 through Figure 2 42 on page 2 57 is opened from the menu the Current Settings of the transmitter are displayed They define the c...

Страница 69: ...preset tabs on page 2 52 To remove a preset select it and press the Delete button To ignore any changes press Cancel to return to the Presets page NOTE See Preset examples IBOC preset on page 2 58 Pre...

Страница 70: ...tab and DRM settings are selected in the Digital Settings tab In this case if balanced analog audio input is used for AM modulation AES2 input Digital AES input must be used for I Q stream from the D...

Страница 71: ...n over AES to transmit a stereo AM signal Filter Type selects a filter to be applied to the input audio signal Options are None no filter is applied default Brick Wall applies a low pass filter with a...

Страница 72: ...1 or AES2 AES input Level Defines the full scale AES input level in dBFS for the I Q stream Set between 30 dBFS and 0 dBFS DRM Bandwidth Selects the bandwidth of the DRM signal to be transmitted This...

Страница 73: ...kHz or Bypassed Analog Transmission In IBOC mode only select On or Off Audio Loss Figure 2 42 on page 2 57 Mod Loss Timeout Determine if an action should be taken on the loss of a modulating signal Se...

Страница 74: ...aintenance Manual Operating the transmitter Page 2 56 Issue 3 3 2016 02 08 Figure 2 37 Presets Analog Settings Figure 2 38 Presets Digital Settings Overall Mode DRM Figure 2 39 Presets Digital Setting...

Страница 75: ...intenance Manual Operating the transmitter Issue 3 3 2016 02 08 Page 2 57 Figure 2 40 Presets Digital Settings Overall Mode IBOC Figure 2 41 Presets Digital Settings Overall Mode IBOC AM Figure 2 42 P...

Страница 76: ...r Digital Settings set IBOC Service Modeto MA 1 Hybrid set Enhanced Carriers to Low set Digital Carriersto On set Analog Bandwidthto 5kHz set Analog Transmissionto On Preset examples Analog preset 1 E...

Страница 77: ...Mod Loss Preset field select the desired preset from the drop down list This is the preset that will activate upon a modulation loss 5 Set the remaining mod loss timeout fields See Audio Loss on page...

Страница 78: ...e selectable options are AMC see Figure 2 43 EAMC see Figure 2 44 on page 2 61 DAM basic see Figure 2 45 on page 2 61 DAM Full see Figure 2 46 on page 2 62 DCC1 see Figure 2 47 on page 2 62 Once a DCC...

Страница 79: ...NX50 Operations and Maintenance Manual Operating the transmitter Issue 3 3 2016 02 08 Page 2 61 Figure 2 44 EAMC Figure 2 45 Basic DAM...

Страница 80: ...NX50 Operations and Maintenance Manual Operating the transmitter Page 2 62 Issue 3 3 2016 02 08 Figure 2 46 Full DAM Figure 2 47 DCC1...

Страница 81: ...hould not change It performs the reduction in power in such a way that it tends to be masked by the audio If AMC is not being used consider DAM mode as a second choice although the power savings will...

Страница 82: ...play when the System Settings Exciter Clock Calibration Sync Source is set to Combiner Use the associated combiner cabinet s AUI Scheduler button to configure the system schedule Figure 2 48 Scheduler...

Страница 83: ...To dates for the rule Start to end 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 an...

Страница 84: ...e Date Time section see Figure 2 50 Figure 2 50 Enabling disabling the scheduler When Scheduler ON appears in green the transmitter will follow the Scheduler settings When Scheduler OFF appears in red...

Страница 85: ...view the operational status of the transmitter using the Status Page see Figure 2 51 This page shows current active alarms to aid in fault diagnosis This section includes the following topics Viewing...

Страница 86: ...rms are indicating that the transmitter may be in an off air state When the Status button is yellow one or more active alarms are indicating that the transmitter is still on air but may be at reduced...

Страница 87: ...add users and edit permissions You access the User Accounts page from the Menu page in the bottom panel of the AUI This section includes the following topics Types of users on page 2 70 Changing the...

Страница 88: ...there are other realms of permission The AUI operates with the following user types View Only Can monitor equipment data only with no administrative or control functions Full Control Can monitor and c...

Страница 89: ...the screen and mark individual permissions see Changing permissions on page 2 72 6 Press Apply to confirm your entries and create a new user or press Cancel to ignore your entries and exit the small w...

Страница 90: ...down menu and select a new type of user 4 If the user type in Step 3 is Custom set individual permissions Under Permissions place a checkmark beside each permission that you want to associate with th...

Страница 91: ...o Login Procedure to change your auto login status see Figure 2 54 1 Open the User Accounts page 2 Select a user from the List of Users 3 Beside Auto Login Local only press the checkbox to activate th...

Страница 92: ...gs and email notification settings Figure 2 55 User Settings Page This section includes the following topics Setting up the Network on page 2 75 Email Configuration on page 2 77 Notifications on page...

Страница 93: ...ameters 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 necessary to use this...

Страница 94: ...ssages Defaults to 3501 NOTE If the transmitter is connected to the Internet via a firewall and remote access is required the port number for external incoming connections that are to be routed to the...

Страница 95: ...Configuration option left side of the screen to display related information and associated parameters in the center of the screen 3 Enter the following parameters Email Server The email server name d...

Страница 96: ...er character lengths are not accepted Authentication Required If your email server requires authentication to send emails click the check box and enter the appropriate Username and Password to allow t...

Страница 97: ...e 2 Select the Notifications option left side of the screen to display a list of pre existing notifications on the right side of the screen 3 Choose from the following options Select an existing notif...

Страница 98: ...you to edit a notification name a recipient email address and the notification device Use the arrows and to select alarms by moving them from the Available Alarms list to the Selected Alarms list 4 R...

Страница 99: ...3 Enter the following parameters and select Apply Protocol Selects the E2X protocol to use UDP or TCP Match this setting to the exporter configuration Exgine IP Netmask and Gateway Configure the Exgi...

Страница 100: ...NX50 Operations and Maintenance Manual Operating the transmitter Page 2 82 Issue 3 3 2016 02 08 Figure 2 59 User Settings Exgine Settings...

Страница 101: ...er the first five fields noting the following Agent Port Enter the UDP port where the SNMP agent checks for requests The default setting is 161 If your transmitter is behind a firewall you must open t...

Страница 102: ...onal fields as follows Trap Receiver IP Enter the IP address of the computer to which the SNMP agent will send trap notifications The computer must be running an SNMP application that is configured to...

Страница 103: ...is page you can click 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 t...

Страница 104: ...in 24 hour format Figure 2 62 Set the time and date when the transmitter is first installed and if the backup battery fails Figure 2 62 User Settings Time Setup The Time Setup option allows users to...

Страница 105: ...p 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 Timezone select the appropriate timezone fr...

Страница 106: ...untry as the equipment If this is not possible attempt to get servers from the same continent Figure 2 63 User Settings NTP Servers Enabling NTP Enable the NTP function by selecting the Enable NTP che...

Страница 107: ...s Delay Displays the round trip delay in ms of the time queries Offset Displays the difference in ms between the reference time and the system clock Jitter Displays the magnitude of jitter in ms betwe...

Страница 108: ...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 Nautel...

Страница 109: ...Figure 2 65 can be used to set a name that can be used to identify the transmitter on the AUI This identification will be displayed on the top banner of the AUI page e g WABC Enter the call sign or ID...

Страница 110: ...This section includes the following topics Reset on page 2 93 Upgrade software on page 2 95 Screen configuration on page 2 94 available on front panel AUI only Exciter Clock Calibration on page 2 96...

Страница 111: ...o reset the AUI or Exciter 1 Select the Reset option from the left side of the System Settings page to open a related window on the right side of the page 2 Reset the items by pressing the appropriate...

Страница 112: ...targets from a position of normal use Touch each target After the third target the calibration is complete and the screen display returns to the Screen Configuration page Procedure to configure a scre...

Страница 113: ...containing information about the installed software If an upgarde file is selected the screen will show a comparison between the installed version and the selected upgrade by component identical items...

Страница 114: ...within 10 mHz 0 01 Hz using the 10 MHz sync input to within 2 mHz 0 002 Hz using the GPS sync card without an antenna and to within the the quality of the GPS system when using the GPS sync card with...

Страница 115: ...on If there is no GPS antenna select No the GPS sync card s receiver alarms are inhibited 10 MHz Sync Input the exciter will operate with Frequency sync and it will automatically revert to its interna...

Страница 116: ...evel decrease the gain to decrease the RF monitor output level The transmitter will attempt to maintain this level at all power set points see Figure 2 71 on page 2 98 Figure 2 71 System Settings RF M...

Страница 117: ...ed power limits represent RMS power If the active preset set point is greater than the active lockout limit a High Power Lockout alarm will appear on the Transmitter Status page For basic transmitter...

Страница 118: ...h of the two thresholds Low Forward Power Threshold 1 and Low Forward Power Threshold 2 on the Transmitter Status page Figure 2 73 System Settings Power Thresholds 1 Select Power Thresholds from the l...

Страница 119: ...based on the desired modes of operation and should not require user adjustment This section includes the following topics Mag Phase Delay on page 2 102 B Setpoint on page 2 103 AM AM Correction on pa...

Страница 120: ...under the mask Typically the delay is set between 0 and 1 us Use the spectrum analyzer instrument panel displayed in this section to verify applied changes are satisfactory The value is factory set an...

Страница 121: ...smitter Issue 3 3 2016 02 08 Page 2 103 B Setpoint The B Setpoint page see Figure allows you to identify the B Setpoint nominally 400 V This value does not normally require user adjustment Figure 2 76...

Страница 122: ...ot cause a linearly proportional change in output amplitude By applying a test signal and monitoring the output of the transmitter the exciter will generate a table of values describing the required g...

Страница 123: ...mplitude causes a change in phase By applying a test signal and monitoring the output of the transmitter the exciter will generate a table of values defining the required phase offset versus input sig...

Страница 124: ...est signal and monitoring the output of the transmitter the exciter will use an LMS Least Mean Squares algorithm to generate a filter in an attempt to find a complementary response to the frequency re...

Страница 125: ...allows the user to change the pre correction settings based on the operating mode via the preset Configurations are normally established at the factory based on customer operating modes and do not re...

Страница 126: ...t the appropriate parameters for your desired configuration including Name Mag Phase Delay B Level AM AM Curve AM PM Curve and EQ Curve When you are finished editing or creating the configuration pres...

Страница 127: ...ves and configurations are created they are stored in the active exciter It may be necessary to copy these settings to the standby exciter or in some cases to an exciter that has been replaced Figure...

Страница 128: ...ter Select A or B The default exciter is A if the Standby Exciter is set to No NOTE Changing the setting may change the active exciter Auto Exciter Changeover indicates in green if automatic exciter c...

Страница 129: ...lowing topics Audio Inputs on page 2 112 B Calibration on page 2 113 Forward Reflected Power on page 2 114 RF Symmetry on page 2 115 SWR Thresholds on page 2 116 Transmitter Type on page 2 117 Transmi...

Страница 130: ...ibration field allows for establishing a reference from a known source Figure 2 84 Factory Settings Audio Inputs WARNING Factory settings are established at the factory and should not require any adju...

Страница 131: ...ibration value allows you to enter a measured B voltage to calibrate the B based on an externally measured B level Figure 2 85 Factory Settings B Calibration WARNING Factory settings are established a...

Страница 132: ...Value changes are not typically required unless you are performing a frequency change Figure 2 86 Factory Settings Forward Reflected Power Attempting to turn off Disable the SWR Protection will displ...

Страница 133: ...when operating on each exciter Values are factory set and should not require adjustment Figure 2 87 Factory Settings RF Symmetry WARNING Factory settings are established at the factory and should not...

Страница 134: ...using the Start button Value changes and calibrations are not typically required Figure 2 88 Factory Settings SWR Thresholds Attempting to Start the peak Reflected Scale Calibration routine will displ...

Страница 135: ...capacity of the transmitter and is set at the factory during testing Figure 2 89 Factory Settings Transmitter Type WARNING Factory settings are established at the factory and should not require any ad...

Страница 136: ...carrier frequency unless you are performing a frequency change procedure Figure 2 90 Factory Settings Transmitter Frequency WARNING Factory settings are established at the factory and should not requ...

Страница 137: ...See the Replacing a Power Module section of the NX50 Troubleshooting Manual for more information Figure 2 91 Factory Settings PDM Settings Attempting to Start the peak Minimization Routine will displa...

Страница 138: ...igure your remote input output interface for the transmitter Click X in the upper right corner to close this page and return to the home page Refer also to the NX50 Pre installation Manual for informa...

Страница 139: ...s as follows Figure 2 93 Remote I O Input Parameters 1 On the left side of the page select the desired remote input 1 through 16 from the list Note you can configure remote inputs 1 through 16 for one...

Страница 140: ...ut Falling Edge Turn Off Logic 0 low or trailing edge 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 inp...

Страница 141: ...16 from the list Note you can configure remote outputs 1 through 16 for one of a variety of monitoring outputs 2 On the right side of the page assign a name to the remote output by pressing Channel a...

Страница 142: ...Max Power Lockout 1 8 Active logic level indicates that a power lockout has been enabled either through the AUI s System Settings page or by a remote digital input Preset name Active logic level indic...

Страница 143: ...to configure audio player sources To view the Audio Player page select Audio Player from the Menu page options Using the audio player in the NX50 requires the installation of the optional USB sound c...

Страница 144: ...dd button and deleting Delete button playlists The Playlist Contents section is used for inserting jumps Insert JMP button and deleting playlist contents Delete button The Insert JMP button allows the...

Страница 145: ...NX50 Operations and Maintenance Manual Operating the transmitter Issue 3 3 2016 02 08 Page 2 127 Figure 2 96 Managing Playlist files Remote mode only...

Страница 146: ...playlist enter the URL for the station For an audio stream enter the URL for that stream Figure 2 97 Audio Player page Streams tab Adding an Audio Stream 1 From the Streams tab see Figure 2 97 click...

Страница 147: ...the desired 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 infor...

Страница 148: ...the SERVICE KEY to be moved Turn the SERVICE KEY clockwise to the OFF position and remove the key from the ac disconnect switch box When the SERVICE KEY is removed the ac disconnect switch is locked i...

Страница 149: ...perations and Maintenance Manual Operating the transmitter Issue 3 3 2016 02 08 Page 2 131 Figure 2 98 Ac Disconnect Switch Operation Box style may vary depending on ac input voltage 200 A switch box...

Страница 150: ...NX50 Operations and Maintenance Manual Operating the transmitter Page 2 132 Issue 3 3 2016 02 08...

Страница 151: ...while in remote sites less frequent visits may be acceptable Experience and system reliability will determine the most practical schedule for a specific installation Cleaning At a minimum follow the...

Страница 152: ...f alarm occurrences during ac power failure See Replacing the control interface PWB battery on page 3 4 Replacing a damaged air filter If an air filter becomes damaged replace it as follows Interval A...

Страница 153: ...ransmitter s coverage area Interval Every 12 months or as required by law Parts and tools High quality receiver compatible with the modulation scheme used on the transmitter Procedure 1 Monitor the tr...

Страница 154: ...ile ac power is applied to the transmitter Interval Every 12 months Parts and tools Replacement battery 3 V lithium coin cell 20 mm Nautel Part BBLT01 Panasonic Panasonic CR2032 Procedure Perform the...

Страница 155: ...ladder binoculars 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 gro...

Страница 156: ...NX50 Operations and Maintenance Manual Routine maintenance Page 3 6 Issue 3 3 2016 02 08...

Страница 157: ...rval As required Parts and tools Laptop i e local computer for direct connection or network computer with Windows and Internet Explorer Web browser CAT5 Ethernet cable Upgrade software tgz file provid...

Страница 158: ...he Network Setup page set as follows Press the Static IP radio button to disable DHCP IP Address 10 10 10 2 Netmask 255 255 255 0 4 Set the transmitter for Remote control Laptop IP Setup The following...

Страница 159: ...ser assigned user name Password leave blank default or where is the user assigned password 4 Navigate through the AUI to Menu System Settings Upgrade Software select the Manage Files button and press...

Страница 160: ...he compact flash card has been replaced To perform a touchscreen calibration perform the following steps 1 Connect a USB mouse into the single board computer SBC on the back of the control cabinet s f...

Страница 161: ...NX50 Operations and Maintenance Manual Non standard maintenance Issue 3 3 2016 02 08 Page 4 5 Figure 4 1 AUI Touchscreen Calibration Menu...

Страница 162: ...NX50 Operations and Maintenance Manual Non standard maintenance Page 4 6 Issue 3 3 2016 02 08...

Страница 163: ...r transmitter circuitry Cutback A reduction in RF output power caused by a total power limit fault or the occurrence of three shutbacks within a five second period DAC Digital to Analog Converter DAM...

Страница 164: ...al AM and Exciter B IBOC The NX50 allows you to pre program multiple presets Shutback A complete loss of RF output power caused by any one of a variety of faults including high VSWR low B voltage high...

Страница 165: ......

Страница 166: ...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 Serv...

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