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NX300 Operations and Maintenance Manual

Non-standard maintenance

Page 4-4

Issue 3.0  2012-11-01

4. This completes the software upgrade. Restore the former network settings on the transmitter 

and laptop as required (see 

Step 2

 of 

“Transmitter IP Configuration” on page 4-2

).

5. Login and repeat 

Step 1

 of 

“Preliminary Checks” on page 4-1

 to determine if the current 

version is the same as the upgrade version - this confirms the upgrade was successful.

6. If the upgrade was not successful, repeat 

Step 1

 through 

Step 5

. If still unsuccessful, contact 

Nautel.

Содержание NX25

Страница 1: ...NX300 Transmitter Operations and Maintenance Manual Document NHB NX300 OPS 3 0 Issue 3 0 2012 11 01 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...

Страница 4: ......

Страница 5: ...e describing transmitter operations 2 18 Viewing Transmitter Log 2 20 Instrument Panels viewing displays 2 27 Meters page viewing real time meters 2 42 Presets editing operational settings 2 48 Preset...

Страница 6: ...11 01 Routine maintenance 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...

Страница 7: ...NX300 Operations and Maintenance Manual Issue 3 0 2012 11 01 Page vii Release control record Issue Date Reason 3 0 2012 11 01 Release 3 of product NARA54B Software Release NX4 0...

Страница 8: ...NX300 Operations and Maintenance Manual Page viii Issue 3 0 2012 11 01...

Страница 9: ...refer to electrical schematics SD s These are located at the end of the NX300 Troubleshooting Manual Redundancy The NX300 features redundancy in all key systems RF power modules Exciters Cooling fans...

Страница 10: ...hematic SD 2 and Figure 1 1 on page 1 3 The exciter stage consists of digital AM exciter PWBs A A11A2 and B A11A3 RF drive distribution PWB A16 and PDM distribution PWB A17 The dual digital AM exciter...

Страница 11: ...restore the parameter to an acceptable level A sample of the B supply voltage is monitored A B compensation circuit attempts to regulate the regulated B supply in order to hold the transmitter output...

Страница 12: ...ue and status of each input the control monitor stage produces the appropriate control signals for the exciter stage and the RF power stage to ensure the proper operation and protection of the transmi...

Страница 13: ...winding of a series combining 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 cl...

Страница 14: ...r RF Voltage Sample Forward Power RF Current Sample RF 1 L Shunt Capacitor Bank A69 Static Drain Parallel Capacitors E1 Spark gap RF Out to Antenna L Series Combining Transformer 1 60 Shunt Capacitor...

Страница 15: ...er 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 8 the transmitter reduces the out put power to 0 W and rema...

Страница 16: ...NX300 Operations and Maintenance Manual Description Page 1 8 Issue 3 0 2012 11 01 Figure 1 4 Shutback Event...

Страница 17: ...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 18: ...NX300 Operations and Maintenance Manual Description Page 1 10 Issue 3 0 2012 11 01...

Страница 19: ...V PS Controller LVPS Controller LVPS Mains Transformer Phase Control Rectifier Choke Input Filter Ac Input ExGine Embedded IBOC Generator EtoX IP Stream 400 V dc 2 5kW 2 5kW 2 5kW 2 5kW 2 5kW 2 5kW 4...

Страница 20: ...nstrument Panels viewing displays see page 2 27 Meters page viewing real time meters see page 2 42 Presets editing operational settings see page 2 48 Preset Scheduler see page 2 61 Status viewing tran...

Страница 21: ...olour LCD screen mounted on the front of the control 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...

Страница 22: ...settings Precorrection Settings page on page 2 97 User Accounts User Accounts on page 2 66 Changeover Changeover page changing exciter transfer settings on page 2 106 User settings User Settings on p...

Страница 23: ...o review a drop down menu displaying the available 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...

Страница 24: ...2 66 User Settings see page 2 71 Network Setup Email Configuration Notifications Exgine Settings SNMP Configuration Audio Loss Power Thresholds Remote I O see page 2 116 Inputs Outputs Status see pag...

Страница 25: ...nfigured see User Accounts on page 2 66 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 app...

Страница 26: ...ss Menu User Settings to access the Time Setup page to edit the time and date Time Setup on page 2 84 Scheduler Displays the on off status of the Scheduler Press the Scheduler button upper panel to to...

Страница 27: ...pen a page that reveals transmitter control options that open other pages Menu page describing transmitter operations on page 2 18 Status Press to open a page that reveals current alarms and status de...

Страница 28: ...UI 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...

Страница 29: ...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 30: ...remote operation Choose the instrument panel option s 16 options are available Up to four screens can appear on one page 2 27 System Review Meters available via local or remote operation Choose meter...

Страница 31: ...le via local operation or remote operation Create and edit scheduler rules 2 61 Transmitter Status available via local or remote operation View transmitter s active faults 2 64 User Accounts available...

Страница 32: ...gure SNMP information capture critical parameters set time and date enable configure NTP servers and set call sign ID 2 71 System Settings available via local or remote operation Screen configuration...

Страница 33: ...n Control various critical parameter functions using the Precorrection page 2 97 Changeovers available via local or remote operation Set the main exciter and auto exciter changeover functions 2 106 Fa...

Страница 34: ...smitter Page 2 16 Issue 3 0 2012 11 01 Remote I O available via local or remote operation Define remote digital inputs and outputs 2 116 Playlist Manager available via local or remote operation Manage...

Страница 35: ...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 36: ...select the following operations Press Home to return to the home page Home page describing the first page on page 2 17 Press Presets to open screens related to presets Presets editing operational set...

Страница 37: ...hangeover page changing exciter transfer set tings on page 2 106 Press User Settings to access a page that allows network configuration email configuration and alarm notifications setting of Exgine pa...

Страница 38: ...Manager screen see Managing the Log on page 2 21 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 39: ...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 40: ...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 41: ...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 42: ...on page 2 24 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 43: ...cate 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...

Страница 44: ...ssue 3 0 2012 11 01 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 Lo...

Страница 45: ...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 46: ...e phase signal 2 35 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 47: ...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 48: ...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 49: ...e 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 ga...

Страница 50: ...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 51: ...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 52: ...el 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...

Страница 53: ...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 54: ...data 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 occu...

Страница 55: ...ng 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...

Страница 56: ...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 57: ...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 58: ...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 r...

Страница 59: ...nting 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 o...

Страница 60: ...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 61: ...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 44 Exciter A Figu...

Страница 62: ...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...

Страница 63: ...X300 Operations and Maintenance Manual Operating the transmitter Issue 3 0 2012 11 01 Page 2 45 Figure 2 31 Meters Information Display for the Exciter Figure 2 32 Meters Information Display for Rack 1...

Страница 64: ...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 f...

Страница 65: ...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 66: ...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 49 Editing or Creating Presets on page 2 49 L...

Страница 67: ...ng Presets When the Presets page see Figure 2 37 on page 2 54 Figure 2 38 on page 2 54 and Figure 2 39 on page 2 54 is opened from the menu the Current Settings of the transmitter are displayed They d...

Страница 68: ...preset tabs on page 2 51 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 55 Pr...

Страница 69: ...l 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 DRM modulator If AES is used for AM modulation ei...

Страница 70: ...nal Stereo C QUAM uses amplitude and phase modulation 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...

Страница 71: ...l is approximately based on the input signal to the exciter and may require adjustment to obtain the exact level Set between 0 dB and 40 dB Digital AES input Level Defines the full scale AES input lev...

Страница 72: ...00 Operations and Maintenance Manual Operating the transmitter Page 2 54 Issue 3 0 2012 11 01 Figure 2 37 Presets Analog Settings Figure 2 38 Presets Digital Settings Figure 2 39 Presets Tabs Audio Lo...

Страница 73: ...to IBOC 3 Under Digital Settings set Bandwidth to 5 kHz Preset examples Analog preset 1 Enter Output Power field with desired power level 2 Set Overall Mode to Analog AM 3 Under Analog Settings set A...

Страница 74: ...t 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 2 53 6 Save the preset with...

Страница 75: ...he selectable options are AMC see Figure 2 40 EAMC see Figure 2 41 on page 2 58 DAM basic see Figure 2 42 on page 2 58 DAM Full see Figure 2 43 on page 2 59 DCC1 see Figure 2 44 on page 2 59 Once a DC...

Страница 76: ...NX300 Operations and Maintenance Manual Operating the transmitter Page 2 58 Issue 3 0 2012 11 01 Figure 2 41 EAMC Figure 2 42 Basic DAM...

Страница 77: ...NX300 Operations and Maintenance Manual Operating the transmitter Issue 3 0 2012 11 01 Page 2 59 Figure 2 43 Full DAM Figure 2 44 DCC1...

Страница 78: ...hould not change It performs the reduction in power in such a way that it tends not be masked by the audio If AMC is not being used consider DAM mode as a second choice although the power savings will...

Страница 79: ...w the Scheduler page select Scheduler from the Menu page options Figure 2 45 Scheduler page The left hand side of the Scheduler page displays a monthly calendar e g February 2013 Use the and buttons t...

Страница 80: ...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 81: ...e Date Time section see Figure 2 47 Figure 2 47 Enabling disabling the scheduler When Scheduler ON appears in green the transmitter will follow the Scheduler settings When Scheduler OFF appears in red...

Страница 82: ...view the operational status of the transmitter using the Status Page see Figure 2 48 This page shows current active alarms to aid in fault diagnosis This section includes the following topics Viewing...

Страница 83: ...arms 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 84: ...y 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 67 Changing the...

Страница 85: ...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...

Страница 86: ...the screen and mark individual permissions see Changing permissions on page 2 69 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 87: ...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 88: ...o Login Procedure to change your auto login status see Figure 2 51 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 89: ...network settings and email notification settings Figure 2 52 User Settings Page This section includes the following topics Setting up the network on page 2 72 Email Configuration on page 2 74 Notifica...

Страница 90: ...rameters 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 91: ...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 92: ...he Email 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 serve...

Страница 93: ...enter the appropriate Username and Password to allow this If the check box is not selected the Username and Password fields do not appear Only TLS secured SMTP servers are supported Username Enter the...

Страница 94: ...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 95: ...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 96: ...ress 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 Exgine s IP network parameters as assigned b...

Страница 97: ...g parameters and press Apply Default Service Mode select MA1 or MA3 Digital Carriers select On or Off Enhanced Carriers select On or Off Analog Transmission select On or Off Analog Bandwidth select 5k...

Страница 98: ...l Normally set to 1 0 with a 0 dBFS audio signal applied to the Exporter Upper Primary Level Adjust Adjusts the power level of the upper sideband within the range of 20dB and 100 dB Should be zero by...

Страница 99: ...t 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 this port to use SNMP Read Community Enter the pass...

Страница 100: ...ick Cancel to restore the previous settings Traps Settings A trap is a message sent by an SNMP agent to an SNMP client when an alarm changes state turns on or off The message is an SNMP packet that ca...

Страница 101: ...his 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...

Страница 102: ...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 103: ...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 104: ...o the server For this reason Nautel recommends that you choose servers in the same country as the equipment If this is not possible attempt to get servers from the same continent Figure 2 63 User Sett...

Страница 105: ...associated with the Remote Name In some cases the Remote Name could be the IP address Delay Displays the round trip delay in ms of the time queries Offset Displays the difference in ms between the ref...

Страница 106: ...ll Sign ID screen see Figure 2 64 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 NX200 En...

Страница 107: ...e This section includes the following topics Reset on page 2 90 Upgrade software on page 2 92 Screen configuration on page 2 91 available on front panel AUI only Exciter Clock Calibration on page 2 93...

Страница 108: ...to 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 appropriat...

Страница 109: ...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 scr...

Страница 110: ...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 111: ...hin the the quality of the GPS system when using the GPS sync card with an antenna Figure 2 69 System Settings Exciter Clock Calibration Procedure to calibrate the exciter clock 1 Select the Exciter C...

Страница 112: ...is shown for reference Increase the gain to increase the RF monitor output level decrease the gain to decrease the RF monitor output level The transmitter will attempt to maintain this level at all p...

Страница 113: ...yed 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 114: ...h of the two thresholds Low Forward Power Threshold 1 and Low Forward Power Threshold 2 on the Transmitter Status page Figure 2 72 System Settings Power Thresholds 1 Select Power Thresholds from the l...

Страница 115: ...y 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 98 B Setpoint on page 2 99 AM AM Correction on pag...

Страница 116: ...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 117: ...nsmitter Issue 3 0 2012 11 01 Page 2 99 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 75...

Страница 118: ...not 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...

Страница 119: ...amplitude 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 si...

Страница 120: ...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 121: ...s 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 r...

Страница 122: ...ct 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 pre...

Страница 123: ...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 124: ...iter 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...

Страница 125: ...llowing topics Audio Inputs on page 2 108 B Calibration on page 2 109 Forward Reflected Power on page 2 110 RF Symmetry on page 2 111 SWR Thresholds on page 2 112 Transmitter Type on page 2 113 Transm...

Страница 126: ...libration field allows for establishing a reference from a known source Figure 2 83 Factory Settings Audio Inputs WARNING Factory settings are established at the factory and should not require any adj...

Страница 127: ...libration value allows you to enter a measured B voltage to calibrate the B based on an externally measured B level Figure 2 84 Factory Settings B Calibration WARNING Factory settings are established...

Страница 128: ...the measured RF current Nautel sets these values at the factory Value changes are not typically required unless you are performing a frequency change Figure 2 85 Factory Settings Forward Reflected Pow...

Страница 129: ...t when operating on each exciter Values are factory set and should not require adjustment Figure 2 86 Factory Settings RF Symmetry WARNING Factory settings are established at the factory and should no...

Страница 130: ...RF Current Limit Value changes are not typically required Figure 2 87 Factory Settings SWR Thresholds WARNING Factory settings are established at the factory and should not require any adjustment The...

Страница 131: ...capacity of the transmitter and is set at the factory during testing Figure 2 88 Factory Settings Transmitter Type WARNING Factory settings are established at the factory and should not require any a...

Страница 132: ...e carrier frequency unless you are performing a frequency change procedure Figure 2 89 Factory Settings Transmitter Frequency WARNING Factory settings are established at the factory and should not req...

Страница 133: ...ion may be required after replacing or moving RF power modules See the Replacing a Power Module section of the NX300 Troubleshooting Manual for more information Figure 2 90 Factory Settings PDM Settin...

Страница 134: ...gure 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 NX300 Pre installation Manual for informa...

Страница 135: ...s as follows Figure 2 92 Remote I O Input Parameters 1 On the left side of the page select the desired digital input 1 through 16 from the list Note you can configure digital inputs 1 through 16 for o...

Страница 136: ...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 137: ...1 through 16 from the list Note you can configure digital 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 digital output by pressi...

Страница 138: ...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 139: ...o configure audio player sources To view the Playlist Manager page select Playlist from the Menu page options Using the audio player in the NX300 requires the installation of the optional USB sound ca...

Страница 140: ...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 141: ...NX300 Operations and Maintenance Manual Operating the transmitter Issue 3 0 2012 11 01 Page 2 123 Figure 2 95 Managing Playlist files Remote mode only...

Страница 142: ...t playlist enter the URL for the station For an audio stream enter the URL for that stream Figure 2 96 Playlist Manager page Streams tab Adding an Audio Stream 1 From the Streams tab see Figure click...

Страница 143: ...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 144: ...age 2 127 Guidelines 1 ac power entrance panel on page 2 128 Guidelines 2 antenna ground switch on page 2 128 Guidelines 3 transfer case on page 2 128 Components of the key controlled access system Th...

Страница 145: ...s lock keys C keys will be released 5 Remove an access lock key C key from the transfer case and insert it into the appropriate access lock on the rear doors or the filter panels behind the front door...

Страница 146: ...ed When the A key is removed the breaker is locked in the open OFF position Guidelines 2 antenna ground switch Operation rules At the antenna ground switch the B key is sealed in the lock and the swit...

Страница 147: ...tenance Manual Operating the transmitter Issue 3 0 2012 11 01 Page 2 129 Figure 2 97 Key Sequence Diagram TRANSFER CASE C IN C IN C IN C IN C IN C IN ACCESS LOCK KEYS quantity 6 ANTENNA GROUND SWITCH...

Страница 148: ...NX300 Operations and Maintenance Manual Operating the transmitter Page 2 130 Issue 3 0 2012 11 01...

Страница 149: ...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 150: ...of 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...

Страница 151: ...nal periodically This check can be done locally at the transmitter site or remotely from another location in the transmitter s coverage area Interval Every 12 months or as required by law Parts and to...

Страница 152: ...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 153: ...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 gr...

Страница 154: ...NX300 Operations and Maintenance Manual Routine maintenance Page 3 6 Issue 3 0 2012 11 01...

Страница 155: ...rts 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 provided via email web do...

Страница 156: ...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 157: ...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 158: ...n the transmitter and laptop as required see Step 2 of Transmitter IP Configuration on page 4 2 5 Login and repeat Step 1 of Preliminary Checks on page 4 1 to determine if the current version is the s...

Страница 159: ...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 160: ...al AM and Exciter B IBOC The NX300 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 hig...

Страница 161: ......

Страница 162: ...e 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 S...

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