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NSR Marine NGT-200 User Manual

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USER MANUAL
NSR GMDSS TESTER
NGT-200
Test for MF/HF/VHF DSC & AIS/EPIRB/NAVTEX
NGT-200 UM.E 20210520-02

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  • Page 1 USER MANUAL NSR GMDSS TESTER NGT-200 Test for MF/HF/VHF DSC & AIS/EPIRB/NAVTEX NGT-200 UM.E 20210520-02...
  • Page 2 MODIFY RECORD Modify by Date Paragraph Version Reason 2019/12/12 First edition 2021/05/20 Software upgrade NGT-200 UM.E 20210520-02...

  • Page 3: Table Of Contents

    9.5. Measurement of AIS station or AIS-SART parameters ........69 10 TESTER’S CALIBRATION ..................73 11 ENVIRONMENTAL AND MAINTENANCE GUIDELINE ....... 74 12 POWER SUPPLY ..................... 75 UNIT CONVERSION Appendix 1 ................76 SIGNALS PLACING ON RS232/RS422 IN/OUT OUTLET Appendix 2 ..77 NGT-200 UM.E 20210520-02...

  • Page 4: Purpose

    NGT-200 USER MANUAL PURPOSE NGT-200 NSR GMDSS Tester (Marine Radio Test Set) is intended to carry out the operation, maintenance and servicing tests of MF/HF/VHF Radios with DSC and NAVTEX receivers in accordance with IMO A.948 (23) or A.997(25), A.1020(26) resolutions.
  • Page 5 NGT-200 USER MANUAL - operation tests on channels 6, 9, 13, 16 (at least); - measurement of output power, carrier frequency and frequency deviation; ● VHF equipment of duplex radiotelephony with airplanes including operating on 121.5MHz and 123,1MHz: - operation tests by transmission/reception of modulated signal;...

  • Page 6: General Views

    NGT-200 USER MANUAL GENERAL VIEWS 2.1 Front view The front view of tester is shown on figure 2.1. Fig. 2.1 NGT-200 front view NGT-200 UM.E 20210520-02...

  • Page 7: 2.2 Top And Bottom Views

    NGT-200 USER MANUAL 2.2 Top and Bottom views Fig. 2.2 NGT-200 top and bottom views 1 – green led: indication of external voltage supply; 2 – red led: indication of accumulator charging; after the accumulator is charged, the led will fade;...

  • Page 8: Complete Set And Accessories

    COMPLETE SET AND ACCESSORIES The complete set of tester includes the items in accordance with table: Item name Notes GMDSS Tester. Marine Radio Test Set model NGT-200 main unit Power adaptor Telescopic antenna NMEA cable IN/OUT (DB9 open wire) USB-A – USB-B cable...

  • Page 9: Menu Tree

    NGT-200 USER MANUAL MENU TREE Fig. 4.1 NGT-200 main menu The tester has user-friendly interface. The tester operation is managed through MENU and 20 independent navigation keys: numeric keys from 0 to 9 , menu navigation buttons ▲, ▼, ◄, ► , Enter, Esc , + , –...
  • Page 10 NGT-200 USER MANUAL Fig. 4.2 Menu tree NGT-200 UM.E 20210520-02...

  • Page 11: Radio Tests

    NGT-200 USER MANUAL RADIO TESTS TEST VHF. Set of VHF Tests TEST VHF menu contains the following items: ==== TEST VHF ==== Send DSC Send DSC – to send Test or Distress DSC Receive DSC message; VHF synthesizer – Receive...
  • Page 12 NGT-200 USER MANUAL Test message – if you select “Test”; To : 413999333 – enter the correct == VHF:Send DSC == Test message MMSI code of the DUT (Device Under To: 413999333 Test). From: 413999997 From: 413999997 – MMSI code of the Pow:-40 dBm NGT-200 by default.
  • Page 13 NGT-200 USER MANUAL 5.1.2 TEST VHF > RECEIVE DSC By entering this menu Tester is ready to receive Test or Distress DSC message on = VHF:ReceiveDSC = channel 70 with frequency 156525 kHz. Tester is capable to receive DSC message...
  • Page 14 NGT-200 USER MANUAL SECOND SCREEN of measurements: = VHF:ReceiveDSC = Freq: measured carrier frequency; Freq:156525123 Hz dev+: 400 Hz dev+: positive deviation audio dev-: -400 Hz subcarrier frequency 1700 Hz; ∆p-p: 800 Hz dev-: negative deviation audio Pow.: 44.3 dBm subcarrier frequency 1700 Hz;...
  • Page 15 NGT-200 USER MANUAL 2. By frequency: You may directly input frequency using numeric buttons. If the selected frequency corresponds to any of channels – the channel is settled automatically. If the frequency doesn’t correspond to any of existing channels, then channel will be shown ( --- ).
  • Page 16 NGT-200 USER MANUAL Measurements through antenna: == FM Receiver === CH : Operation channel (ITU); CH: 16 : Operation frequency, kHz; F: 156800 kHz 25 kHz dF : Frequency step; Fx: 156301567 Hz Fx : Measured carrier frequency; RSSI: 44.1 dBm ¥...
  • Page 17 NGT-200 USER MANUAL 2. By frequency: You may directly input frequency using numeric buttons. If the selected frequency corresponds to any of channels – the channel is settled automatically. If the frequency doesn’t correspond to any of existing channels, then channel will be shown ( --- ).

  • Page 18: Test Mf / Hf - Collection Of Mf / Hf Tests

    NGT-200 USER MANUAL TEST MF / HF – collection of MF / HF Tests Send DSC – to send Test or Distress DSC message; === Test MF/MF === Receive DSC – to receive DSC message; Send DSC – Receive DSC...
  • Page 19 NGT-200 USER MANUAL One of the DSC distress frequency should be selected here for Distress and Safety = MF/HF:Send DSC = Distress message calls. 2187.5 kHz Note that Routine call will require 4207.5 kHz different frequencies: 6312.0 kHz 2177.0 kHz 8414.5 kHz...
  • Page 20 NGT-200 USER MANUAL Repeated pressing of Enter will transmit DSC messages again. If necessary, output power level can be adjusted. To enter menu SEND DSC, press Esc . Press Esc twice to enter MAIN MENU. ATTENTION: It is necessary to specify (input) the correct MMSI number of tested radio station to provide the reception of the DSC message of Individual call format.
  • Page 21 NGT-200 USER MANUAL Tester is capable to receive DSC message of Individual call category with any MMSI =MF/HF:ReceiveDSC= address. Wait for signal - Tester is ready to Wait for signal receive DSC message. Att: 00 dB X - selected attenuation of Att: 00 dB internal attenuator;...
  • Page 22 NGT-200 USER MANUAL Second screen of measured data: =MF/HF:ReceiveDSC= Freq : measured carrier frequency; Freq: 8414501 Hz dev+ : positive deviation of carrier dev+: 85 Hz dev-: -85 Hz frequency; ddev: 170 Hz dev- : negative deviation of carrier Pow.: -21.4...
  • Page 23 NGT-200 USER MANUAL 5.2.4 TEST MF / HF > MF/HF RECEIVER The main purpose of this mode is measuring of power level and carrier frequency of MF/HF radio station. Tester allows to carry out measurements through broadcast by means of antenna and conductive measurements provided with help of external attenuator (supplied optionally).
  • Page 24 NGT-200 USER MANUAL 5.2.5 TEST MF / HF > TEST TELEX The main purpose of this mode is measuring of TELEX transmitter and receiver of MF/HF radio station. Transmitter TELEX transmitter Test TELEX measurement; Transmitter Receiver Receiver – TELEX message receiving measurement.

  • Page 25: Test Ais - Collection Of Ais Stations And Ais-Sarts Tests

    NGT-200 USER MANUAL TEST AIS – collection of AIS Stations and AIS-SARTs Tests TEST AIS Menu contains the following items: TEST AIS Class A – to test the AIS station ==== TEST AIS ==== Test AIS class A class A;...
  • Page 26 NGT-200 USER MANUAL It is recommended to enter the MMSI number of the AIS station before starting tests. This allows == MMSI FILTER == ignoring the messages from other AIS stations. It will help to perform tests by means of antenna MMSI: 000000000 through broadcast in port area.
  • Page 27 NGT-200 USER MANUAL The following information will be received, measured or decoded and displayed on LCD in === AUTO AIS-A === this mode: RxA ID 1 413123456 Rx X, where X – (A or B) – the AIS +123 Hz ¥...
  • Page 28 NGT-200 USER MANUAL Save-F2 – allows saving all received data by pressing F2, and the Prof: X, where X = 1 to 100, - profile number where all data will be saved. The number is increased automatically by circle, and after Prof.100 – the Prof.1 will be used, new data will erase the old one automatically, so no any special function to free the memory is required.
  • Page 29 NGT-200 USER MANUAL Start right now-F2 – press F2 if you want ==REQUEST 3 ChA == to send request immediately without slot sync; Rx* ID * ********* note that some AIS stations may not respond **** Hz correctly in such case;...
  • Page 30 NGT-200 USER MANUAL The menu offers to select the channel to send the === Message 5 === request as well to receive the message 5. Select the channel by means of ▲ and ▼ keys Channel A Channel B and press Enter .
  • Page 31 NGT-200 USER MANUAL The message 5 as the respond to request should be transferred and received in 60 seconds after the sound was terminated. If the AIS station has reception indicator (usually it is RX Led), after the sound was terminated this LED should confirm the reception of the request.
  • Page 32 NGT-200 USER MANUAL The request sent to AIS station contains the following DSC message in accordance with ITU-R M.825-3 : Format specifier – Individual call 120, 120 41,30,00,33,30 MMSI requested station (as example only) Category – Information Self-identification = tester’s MMSI no.
  • Page 33 NGT-200 USER MANUAL Note that here can be displayed not only zero meaning. The tester automatically offers to use the MMSI code encoded from the last received message. So, if the MMSI code of AIS Station is unknown or you’d like to avoid the manual input of the code use AIS MONITOR mode and receive at least 1 message from the AIS Station to be tested.
  • Page 34 NGT-200 USER MANUAL The tester requires to receive Message 18 (Msg18) in any channel, receive any message in A or B channels, receive Message 24a (Msg24a) and message 24b (Msg24b) in any channel to get all necessary information. The tester will allow to save the date only when all information is received.
  • Page 35 NGT-200 USER MANUAL The menu offers to select the channel to send the request as well to receive the message 18. === Message 18 === Select the channel by means of ▲, ▼ keys and Channel A press Enter .
  • Page 36 NGT-200 USER MANUAL The message 18 as the response to request should be transferred and received in 60 seconds after the sound was terminated. If the AIS station has reception indicator (usually it is RX Led), at the end of the audio signal, LED should light up briefly.
  • Page 37 NGT-200 USER MANUAL – the AIS channel where the message is received; = REQUEST 24 ChA = – the number of Message in accordance ID24 RxA ID24 413111333 with М.1371-5; -112 Hz – tested AIS 413111333 (as example only) A RSSI 32.7 dBm...
  • Page 38 NGT-200 USER MANUAL where X (A or B) – AIS channel in RxX, which the message was received; === AIS SART === where X (1 or 14) – the message RxA ID 1 970000123 ID X, +123 Hz number in accordance with IEC 61097- RSSI 33.0 dBm...
  • Page 39 NGT-200 USER MANUAL Save-F2 – allows saving all received data by pressing F2, and the Prof: X (where X = 1 to 100) - profile number where all data will be saved. The number is increased automatically by circle, and after Mes100 – the Mes1 will be used, new...
  • Page 40 NGT-200 USER MANUAL After transmit on receiver’s display will appear such disposition of virtual vessels as on image. Black triangle is the AIS receiver under test. Numbers of other vessels correspond to MMSI of virtual vessels. 1 – 413999001 2 – 413999002 3 –...
  • Page 41 NGT-200 USER MANUAL RxX - where ) is the AIS channel of === Test AtoN == received message; RxA ID21 413999997 ID X - where (1 to 26) is the number of the -0025 Hz message, according to М.1371-5; S RSSI 42.1 dBm...
  • Page 42 NGT-200 USER MANUAL RxX - where ) is the AIS channel of == Test Base st.== received message; Base station report – main report of RxA ID 4 413000234 ID 4 – +123 base station; A RSSI 39.9 dBm – MMSI number of the station...
  • Page 43 NGT-200 USER MANUAL 5.3.8 AIS Monitor The tester continuously receives all AIS station messages and displays them on LCD (example): – the AIS channel where the message is received; == AIS Monitor == – the number of Message in accordance with...

  • Page 44: Test Epirb - Epirb Testing Sets

    And in 121.5MHz channel NGT-200 will measure: carrier frequency; signal power level in antenna; amplitude modulation depth. – complex C/S test;...
  • Page 45 NGT-200 USER MANUAL After the signal receipt the measured parameters are displayed: HH:MM dd/mm/yyyy Mes#xx Test ok FIRST SCREEN: ID:A7E830C30C30CD1 – number of the memory profile, where Mes#xx MARITIME USER the test results will be saved. To save press F2.
  • Page 46 NGT-200 USER MANUAL 5.4.2 TEST CH 406 MHz In this menu only channel 406MHz is tested. This may be used when the channel 121.5MHz is absent (like in PLB for example) or faulty. Also it may be useful when you need to check only 406MHz frequency.
  • Page 47 NGT-200 USER MANUAL THIRD SCREEN: TTT:440.0 ms – Total Transmission Time. TTT:440.0 ms ↑ F1-Mes# F2-Save 5.4.3 TEST CH 121 MHz In this menu only channel 121.5MHz is tested. This may be used when the channel 406 MHz is absent or faulty. Also it may be useful when you need to check only 121.5MHz frequency.
  • Page 48 NGT-200 USER MANUAL Important ! The results of measurements in channel 121.5MHz can be saved in non-volatile memory of device, in any profile. To save results press F2. You may save results of 406MHz and 121.5MHz independently. Or you may test 406MHz and 121.5MHz separately and save results in one profile.

  • Page 49: Test Navtex - Collection Of Navtex Tests

    NGT-200 USER MANUAL TEST NAVTEX – collection of NAVTEX Tests Transmitter mode to test vessel == TEST NAVTEX == NAVTEX receiver. Transmitter Use Receiver mode to receive NAVTEX Receiver system messages. One of two text messages can be selected in...
  • Page 50 NGT-200 USER MANUAL CD00 <cr><lf> Having selected type message and operation frequency – identifier of the transmitting station, it you get into the following menu: depends on the NAVAREA (navigation – is area) and the type of message, where == TEST NAVTEX == Search and Rescue Information;...

  • Page 51: Test Nmea - Collection Of Nmea Interface Tests

    NGT-200 USER MANUAL TEST NMEA – collection of NMEA Interface Tests In this mode Tester allows receiving all information incoming to presentation ports of AIS station, such as pilot plug or from GNSS receiver. If it is necessary to receive the information from pilot plug select the 38400 Baud rate, or select the 4800 Baud rate to check the vessel’s sensors (for example, GLONASS, GPS,...
  • Page 52 NGT-200 USER MANUAL An example of sentence AIVDO received from AIS station Class B. !AIVDO,1,1,,,B1au ! – start symbol for sentences: cih000VDdP6H>Ap03 wtTkP06,0*6E AIVDO – AIS VHF Data-link Own-vessel message; AIS station sends similarly all the sentences sent on VHF channel;...

  • Page 53: Test Results

    NGT-200 USER MANUAL TEST RESULTS VIEW PROFILES MENU This menu allows viewing all data stored in non-volatile memory. All the measurements data is stored in 100 profiles (memory cells). Use ◄ ► and ▲ ▼ keys to navigate the profiles.
  • Page 54 NGT-200 USER MANUAL THIRD SCREEN: Pr:3 15:40 02/08/17 frq:156300046 CH6 frq: carrier frequency of channel 6; Pow: 43.6 dBm CH6 Pow: signal power level, received on channel 6; frq:156450009 CH9 frq: carrier frequency of channel 9; Pow: 43.9 dBm CH9 Pow: signal power level, received on ↓...
  • Page 55 NGT-200 USER MANUAL SECOND SCREEN: – profile number (continued); Pr: 47 Pr:47 12:59 23/07/18 ID 5 413000333 – data from AIS Message 5 (Static data); ID 5 – Call Sign is default value; CS: default CS: default – Ship’s Name is MARIA (for...
  • Page 56 NGT-200 USER MANUAL SECOND SCREEN: Pr:14 14:18 08/10/18 406 data: – Total Transmission Time; TTT: 439.7 ms – unmodulated carrier time; UNC: 160.1 ms – phase deviation. Ph+ , Ph- Ph+: 62⁰ Ph-:-64⁰ ↓ ↑ <EPIRB> THIRD SCREEN: Pr:14 14:18 08/10/18 Sweep 121.5 MHz...

  • Page 57: Settings

    – internal Li-Ion battery U-battery voltage; Self test – self test of NGT-200 tester. SETTINGS > EDIT MMSI You can check the current MMSI number of device under test and of the Tester in this menu. You can either accept the current number or enter a new MMSI, if required.

  • Page 58: Settings > Ship Id

    VHF radio stations, NAVTEX receiver etc.) in one group. This will make the report creating procedure easier. Please turn your attention that managing the results on the computer with software for NGT-200 one may find and group all test results of all equipment on the vessel using vessel’s MMSI number.

  • Page 59: Settings > Test Config

    NGT-200 USER MANUAL SETTINGS > Test config In this menu you can set up the measurement configuration for VHF channels and for == Test config MF/HF channels separately: > VHF config config – submenu for VHF MFHF config frequencies; MFHF config – submenu for MF/HF dBm/W - W frequencies;...

  • Page 60: Settings > Lcd Contrast

    NGT-200 USER MANUAL Select the power configuration for MF/HF measurements by pressing ▼ and ▲ keys. == Test config In result, during the tests the selected >MFHF Direct configuration will be displayed on the screen MFHF Att. Ext with help of symbols: MFHF Antenna D –...

  • Page 61: Settings > Setup Date/Time

    NGT-200 USER MANUAL SETTINGS > Setup date/time Date and time can be setup here. Date format is also selected in this menu. Use =Setup Date/Time = buttons ◄ ► ▼ ▲ to navigate the menu. DD/MM/YYYY EUR. 13/05/2021 EUR. – date format, can be...

  • Page 62: Settings > U Battery

    Manufact: 02/21 SETTINGS > Self test This menu item allows doing the self test of NGT-200. Press Enter key to start the test. The example of the test result is shown as below: === Self test === === Self test ===...

  • Page 63: Technical Specifications

    VHF band (all modes) 12.0 ± 0.3 kHz Technical specifications of VHF Power sensor SWR-meter VHFPS1 8.3.1 Max allowed input power level: 60W 30 – 410 MHz 8.3.2 Operational frequency range: 8.3.3 Insertion attenuation between RF-IN and NGT-200-Output: 63 dB NGT-200 UM.E 20210520-02...

  • Page 64: Recommended Testing Procedures

    9.1.1 Testing of VHF radio stations with DSC through vessel’s antenna : “S” – Power sensor; SETTINGS / Test config Fig. 9.1 Connection setup of NGT-200 for testing the VHF radio station with DSC through vessel’s antenna Tester automatically detects connected VHF Power sensor SWR meter, thus there is no need to set up configuration in menu: SETTINGS >...
  • Page 65 : “S” – Power sensor; SETTINGS / Test config Fig. 9.2 NGT-200 connection setup for testing VHF radio station with DSC through external attenuator or an equivalent load. The given setup uses attenuator of high power level or another equivalent load.
  • Page 66 9.1.4 Testing of MF/HF radio stations with DSC including power level measuring Fig. 9.4 Configuration of connection NGT-200 for MF/HF radio station with DSC testing and power level of transmitter measuring. NGT-200 UM.E 20210520-02...
  • Page 67 Tester! 9.1.5 Testing of MF/HF radio stations with DSC through vessel’s antenna Fig. 9.5 Configuration of connection NGT-200 for testing MF/HF radio station with DSC through vessel’s antenna Select configuration “MF/HF Antenna” in menu SETTINGS > Test config.
  • Page 68 NGT-200 USER MANUAL 9.1.6 Testing of DSC Watch receiver of radio stations Fig. 9.6 Configuration of connection NGT-200 for testing DSC Watch receiver of radio station with DSC Select configuration “VHF direct” in menu SETTINGS > Test config> VHF config if you are testing VHF Transceiver or select “MF/HF direct” in menu SETTINGS >...

  • Page 69: Table Of Configurations And Modes

    NGT-200 USER MANUAL Table of configurations and modes Transmitter route check Measurement Config. Band Mode Frequency Target Power level Fig.9.1 DSC / TEST signal Radio st. w/DSC Fig.9.2 DSC / DISTRESS signal Radio st. w/DSC Fig.9.3 Telephony estimate Mobile radio st.

  • Page 70: Step-By-Step Plan Of Checking Of Vhf Radio Station With Dsc

    NGT-200 USER MANUAL Step-by-step plan of checking of VHF radio station with DSC Step 1: connect Tester and Power sensor SWR meter according to fig.9.1 or fig.9.2. Step 2: select measurement mode: Test VHF > Receive DSC; Att: 00 dB.

  • Page 71: Step-By-Step Plan Of Checking The Duplex Vhf Radio Station

    NGT-200 USER MANUAL Step-by-step plan of checking the duplex VHF radio station Testing of duplex VHF radio station mainly the same as for VHF Radios with DSC (Item 9.3). Due to absence in such radio stations DSC, start measurements from the Step 5 and all results save in a next free profile number.

  • Page 72: Measurement Of Ais Station Or Ais-Sart Parameters

    AIS protocol of current navigation circumstances (which are unexpected operation). 9.5.2 AIS Stations test procedure 9.5.2.1 Test Configuration or Test Setup Fig. 9.7 Connection setup of NGT-200 for testing AIS station Class A/B through the vessel’s antenna NGT-200 UM.E 20210520-02...
  • Page 73 NGT-200 USER MANUAL 9.5.2.2 Step-by-step plan of checking the AIS station (Class A or Class B) Use the TEST VHF / TEST AIS menu section to do all the checking! Step 1 ------------------------------------------------------------------------------------------ Enter TEST AIS / TEST AIS CLASS A or TEST AIS / TEST AIS CLASS B Menu depending on AIS station under test.
  • Page 74 NGT-200 USER MANUAL As a rule the AIS stations has LED indicators of signal transmission (Tx) or reception (Rx). So, it is necessary to pay attention to these LEDs during checking. Each Tx LED illumination should be confirmed by short sound signal and LCD data update in TEST AIS/Test AIS class A or TEST AIS/Test AIS class B modes.
  • Page 75 NGT-200 USER MANUAL 9.5.3 AIS-SART test procedure Almost all AIS-SARTs have internal antenna, so we recommend to carry out the measurement through broadcast, by means of antenna. Connect the Tester’s antenna to RF IN input of the tester. Go to TEST AIS/TEST AIS SART menu and enter manually the AIS-SART USER ID –...

  • Page 76: Tester's Calibration

    NGT-200 USER MANUAL TESTER’S CALIBRATION The tester is a complex special-use electric device. Thus only authorized laboratories by means of specialized equipment should calibrate it. The tester should be calibrated every two years. NGT-200 UM.E 20210520-02...

  • Page 77: Environmental And Maintenance Guideline

    NGT-200 USER MANUAL ENVIRONMENTAL AND MAINTENANCE GUIDELINE The device should be stored in package in warehouse locations defending it from atmospheric precipitation, fumes of acid, alkali and other aggressive substances. о о С) up to 313 K (about 40 С) Temperature in warehouse should be from 278 K (5 and relative humidity of air no more than 80%.

  • Page 78: Power Supply

    NGT-200 USER MANUAL POWER SUPPLY The tester can be power supplied by internal Li-Ion accumulator (2000mA*h, 3.7V), as well as by external direct current source with approximate voltage 4.5…7V and current load not less than 500mA connected to micro-USB input of the tester by means of standard connector (e.g.

  • Page 79: Appendix 1 Unit Conversion

    NGT-200 USER MANUAL Appendix 1 UNIT CONVERSION (dBm to W) 1,00 1,02 1,05 1,07 1,10 1,12 1,15 1,17 1,20 1,23 1,26 1,29 1,32 1,35 1,38 1,41 1,45 1,48 1,51 1,55 1,58 1,62 1,66 1,70 1,74 1,78 1,82 1,86 1,91 1,95...

  • Page 80: Appendix 2 Signals Placing On Rs232/Rs422 In/Out Outlet

    Appendix 2 SIGNALS PLACING ON RS232/RS422 IN/OUT OUTLET 3 4 5 № connector pin RS232/RS422 While connecting to Type of signal IN/OUT on NGT-200 (connector pin external equipment sent to outlet type DSUB 9 male) connect to Not connected Don't connect...

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