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NGT-200 UM.E 20210520-02

MODIFY RECORD

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Date

Paragraph

Version

Reason

Q/A

2019/12/12

First edition

Q/A

2021/05/20

all

Software upgrade

Summary of Contents for NGT-200

Page 1: ...USERMANUAL NSR GMDSS TESTER NGT 200 Test for MF HF VHF DSC AIS EPIRB NAVTEX NGT 200 UM E 20210520 02...

Page 2: ...NGT 200 UM E 20210520 02 MODIFY RECORD No Modify by Date Paragraph Version Reason 1 Q A 2019 12 12 01 First edition 2 Q A 2021 05 20 all 02 Software upgrade...

Page 3: ...SETTINGS Test config 56 7 4 SETTINGS LCD contrast 57 7 5 SETTINGS Setup date time 58 7 6 SETTINGS Clear profiles 58 7 7 SETTINGS General info 58 7 8 SETTINGS U battery 59 7 9 SETTINGS Self test 59 8 T...

Page 4: ...transmission reception of DSC messages by means of transmission reception of distress or test call to particular MMSI number and Distress to all ships messages check the MMSI code programmed in equip...

Page 5: ...AIS messages sending data messages to AIS stations passing the DSC polling information channel 70 checking AIS response to virtual vessels Cospas Sarsat radio beacons measurement of output power and c...

Page 6: ...NGT 200 USER MANUAL NGT 200 UM E 20210520 02 3 2 GENERAL VIEWS 2 1 Front view The front view of tester is shown on figure 2 1 Fig 2 1 NGT 200 front view...

Page 7: ...rging after the accumulator is charged the led will fade 3 LCD 4 keyboard 5 USB B socket for connection to PC and battery charging 6 audio output for connection 3 5 mm jack Impedance 8 right and left...

Page 8: ...B 200W 1 Optional 10 Crushproof and watertight plastic box 1 11 Calibration Certificate 1 12 User Manual 1 VHF Power sensor VSWR meter 60W designed for conducted measurements of the power and SWR in V...

Page 9: ...keys Confirm select something by means of Enter and Esc keys cancel or move up menu level by means of Esc key After the tester is turned ON it displays the device s model its serial number date time...

Page 10: ...NGT 200 USER MANUAL NGT 200 UM E 20210520 02 7 Fig 4 2 Menu tree...

Page 11: ...Distress messages Test special test message according ITU R M 493 it has format specifier 120 Individual call So this message will not disturb anybody except for DUT Device Under Test Safety format s...

Page 12: ...ted in menu SETTINGS Test config Press Enter to transmit Test message Repeated pressing of Enter will transmit DSC messages again If necessary output power level can be adjusted To go back to menu SEN...

Page 13: ...n will be taken into account during estimation of the received signal level X signalizes the selected measurement configuration FIRST SCREEN of measurements MMSI 413000000 sender s MMSI code Format In...

Page 14: ...generator CH Number of the VHF channel ITU F Carrier frequency kHz dF Frequency tuning step L Level of the output signal dBm dL Level step by keys and Mod FM Modulation type Supported FM CW SSB AM AM...

Page 15: ...ers Output power level tuning 1 Direct input of required level in dBm due to the maximum level is 0 dBm the input level is always understood as negative number For example to settle 45 dBm just press...

Page 16: ...keys Navigate using buttons and not while measuring P 43 5 11 3dBm S incident reflected power S measurement through Sensor VHF Power Sensor VSWR meter VSWR 1 08 measured VSWR Audio control Audio F1 to...

Page 17: ...ults of channels 70 DSC 06 09 13 and 16 in one profile It can be used when preparing complex report about tested radio station See Item 9 for more details about and testing strategy 5 1 5 TEST VHF VHF...

Page 18: ...ccepted by any maritime and coastal radio stations Thus it is recommended to send this DSC message only by means of cable with reduced level taking into account all safety precautions to avoid false D...

Page 19: ...I of the NGT 200 by default Freq 2187 5 kHz operation frequency Pow 30 dBm output level of RF signal you may directly input power level using numeric buttons or toggle between the positions using and...

Page 20: ...reception of the DSC message of Individual call format Otherwise the message will be sent but will not be received by this station The correct MMSI number may be input in menu SETTINGS Edit MMSI then...

Page 21: ...76 dBm 40dB 30 dBm 42 dB Tester s input Power level Pin 51 76 40 42 30 24 dBm it is OK After receipt of message the following information will appear MMSI 413999333 MMSI code of the sender Format Ind...

Page 22: ...ks as RF synthesizer supporting the following modulations CW SSB AM FMn F Carrier frequency kHz dF Frequency step L Level of the output signal dBm dL Output power level step it is tuned by keys and Mo...

Page 23: ...configuration is selected in menu SETTINGS Pow meas config If the signal level is lower than 90 dBm the frequency data will not be displayed the notification Low level is shown Measurements through A...

Page 24: ...Select TELEX frequency 2174 5 kHz 4174 5 kHz 6268 0 kHz 12520 0 kHz 16695 0 kHz After selecting TELEX message and frequency the following menu appears for example NSR TEST NNNN Selected message2 Freq...

Page 25: ...ing it on LCD 5 3 1 TEST AIS Class A The TEST AIS Class A has following subitems AUTO TEST MODE the automatic mode for complex test of AIS station class A Interrogate Msg 3 request for message 3 and w...

Page 26: ...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 Return to AUTOTEST MODE to perform all tests Also if you perform...

Page 27: ...o get all necessary information The tester will allow to save the data only when all information is received The maximum measurement cycle time is about 15 minutes There are additional information abo...

Page 28: ...n this case the tester offers to save incomplete data When the F1 is pressed the TIMEOUT menu will be viewed with list of received and not received data The tester will be switched to this menu automa...

Page 29: ...ly the tested AIS station transmitter s MMSI RSSI 41 5 dBm AIS station transmitter power level in dBm S test configuration is Power Sensor Slot x where x from 0 to 2249 received slot number informativ...

Page 30: ...ts any message from tested AIS station for slot synchronization and then transmits request Message 15 to the tested AIS station Then the Tester goes to receive mode and waits for Message 5 All other m...

Page 31: ...AUTO TEST MODE But It is possible to change the MSSI code manually You may directly input MMSI using numeric buttons or selecting the position by buttons and tune it by buttons and If the MMSI code i...

Page 32: ...18 request for message 18 and wait for response Interrogate Msg 24 request for message 24 and wait for response AUTO TEST MODE the automatic mode for complex test of AIS station class B It is recomme...

Page 33: ...t be connected and the following message will appear in the bottom of the screen Interf Not found Interface is not found and measurements will be carried out without feedback from tested station The f...

Page 34: ...old one automatically You can clear selected profile or all the profiles using menu SETTINGS Clear profiles see Item 7 6 In this mode all data will be collected automatically the Tester receives the M...

Page 35: ...request Message 15 to the tested AIS station Then the Tester goes to receive mode and waits for Message 18 All other messages will be ignored The received Message 18 will be displayed in the following...

Page 36: ...I code of target station is displayed lower It is possible to change the MSSI code manually Select line TO Now you may directly input MMSI using numeric buttons or select the position by buttons and s...

Page 37: ...r the USER ID number of the AIS SART before starting tests This allows ignoring the messages from other AIS stations It will help to perform tests by means of antenna through broadcast in port area Yo...

Page 38: ...of any message in A and B channels to get all necessary information The tester will allow to save the data only when all information is received There is additional information about received data di...

Page 39: ...the list with received not received data status will be displayed The tester will be automatically set to this mode after 15 minutes operation 5 3 4 Test AIS Receiver On entering this mode you will be...

Page 40: ...It will help to perform tests by means of antenna through broadcast in port area You may directly input MMSI using numeric buttons or select the position by buttons and set it up by buttons After inpu...

Page 41: ...be recorded in the next free profile Prof xx 5 3 6 Test BASE station By entering this mode you should input manually the MMSI number of the tested AIS base station to ignore messages from other AIS s...

Page 42: ...he menu user should select the channel for testing A or B Virtual ship emulation procedure is performed as follows Tester sends the message 1 with the tester s MMSI code and increased on about 0 1 nau...

Page 43: ...equency deviation of AIS station transmitter RSSI 41 5 dBm AIS station transmitter power level in dBm Slot x where x 0 to 2249 received slot number informative CRC OK cyclic redundancy check if calcul...

Page 44: ...f received message measurement of carrier frequency measurement of signal power level measurement of total transmission time measurement of unmodulated carrier time measurement of signal phase deviati...

Page 45: ...essel F1 Mes F2 Save you can save the measurements by pressing F2 or go to the next screen to check other parameters by pressing SECOND SCREEN P406 37 0 dBm power level of channel 406MHz F406 406025 1...

Page 46: ...istress signals ID A208334D34D34D1 15 HEX ID code must correspond to the ID code marked on the EPIRB MARITIME USER protocol type in this case it s a maritime user protocol MMSI marine identifier CC 41...

Page 47: ...ample After pressing Enter the following menu will appear To start measurements press Enter Fx 121502 572 carrier frequency in kHz RSSI 18 3 dBm signal level in antenna Fmod 336 1056 Hz modulating aud...

Page 48: ...save results in one profile 5 4 4 TEST CH 243 MHz In this measurement mode you can check channel 243MHz After pressing Enter the following menu will appear To start measurements press Enter Fx 243001...

Page 49: ...system messages One of two text messages can be selected in this mode Test message 1 CD00 TEST FROM NGT 200 or Test message 2 CD00 0123456789ABCDE Then select operating frequency 518 0 kHz Internation...

Page 50: ...carriage return character lf line feed character TEST FROM NGT 200 the content of Message 1 Power output signal level Repeat number of messages to be sent can be adjusted by inputting required number...

Page 51: ...nterface with RS 422 485 or RS 232 Step 1 Receiver bit rate select bit rate 38400 baud for testing messages from AIS stations 4800 baud to test vessel s sensors Step 2 Interface F1 select interface by...

Page 52: ...larly all the sentences received on VHF channel For details about AIVDO AIVDM sentences look IEC 61993 2 An example of sentence transmitted by AIS station Class B built in GPS receiver start symbol of...

Page 53: ...e number for example 15 40 measurement time 02 08 2017 measurement date MMSI 413900000 tested station MMSI Format format specifier Categ received message category CRC CRC check result of received mess...

Page 54: ...IS station FIRST SCREEN Pr 47 profile number for example 12 59 measurement time 23 07 2018 measurement date ID 1 data from AIS Message 1 A 42 5 dBm 9 Hz Power level and Frequency error for AIS Channel...

Page 55: ...EA is not connected AIS A saved data type is AIS Class A station An example of saved test results of an EPIRB FIRST SCREEN Pr 14 profile number as an example only 14 18 measurement time 08 10 18 measu...

Page 56: ...rameters if any Freq carrier frequency Pow power level Fmod frequency modulation M amplitude modulation depth FOURTH SCREEN Sweep 243 MHz displays 243MHz signal parameters if any Pr 14 14 18 08 10 18...

Page 57: ...revision U battery internal Li Ion battery voltage Self test self test of NGT 200 tester 7 1 SETTINGS EDIT MMSI You can check the current MMSI number of device under test and of the Tester in this me...

Page 58: ...grouped by MMSI code Thus Ship ID is the only marker that will allow group test results of all the equipment on the vessel True to say Ship ID is a measurement group label making usage more convenien...

Page 59: ...ments by pressing buttons and In result during the tests the selected configuration will be displayed on the screen with help of symbols D direct connection S power sensor and VSWR meter A external at...

Page 60: ...ic keys To exit menu press Esc selected configuration will be saved automatically Detailed information about how to select a proper configuration of power measurement can be found in Item 9 7 4 SETTIN...

Page 61: ...menu one can delete selected profile or all profiles 3 use buttons to select profile that you need to delete and press F2 key To clear all profiles press F1 7 7 SETTINGS General info In this menu one...

Page 62: ...ally switched to USB power supply source when connected Each pressing of Enter key will measure the voltage again 7 9 SETTINGS Self test This menu item allows doing the self test of NGT 200 Press Ente...

Page 63: ...the RF IN OUT connector 8 2 Technical specifications of measuring receiver 8 2 1 Max signal level on RF IN OUT not more than 20 dBm or 100 mW 8 2 2 Attenuation range of input signal by internal atten...

Page 64: ...onfiguration in menu SETTINGS Test config This setup allows to test with the most accuracy the output power level of transmitter and the SWR of antenna feeder in real circumstances on the vessel Besid...

Page 65: ...he DISTRESS signal But anyway this checking must be carried out with precautions to avoid false distress alert Tester automatically detects connected VHF Power sensor SWR meter thus there is no need t...

Page 66: ...OUT Power level of radio station under test can be only estimated as it depends on a number of the factors on distance and position of the Tester and the radio station on surrounding objects their fo...

Page 67: ...te of MF HF radio stations because even in case of accidental sending of signal signal power level on Tester s input will not surpass maximum permitted limit Please avoid direct connection of RF IN OU...

Page 68: ...ing 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 Test...

Page 69: ...yes Radio st w DSC Fig 9 5 MF HF DSC TEST signal estimate no yes Radio st w DSC Receiver route check Measurement Config Band Mode Output level dBm Target Fig 9 1 VHF DSC signals receive 63 130 1 Radio...

Page 70: ...ice under test You will see measured of frequency power level and frequency deviation on Tester s screen With PTT push to talk pressed save measured results by pressing Esc Step 7 save measurement res...

Page 71: ...lect channel CH 06 and press PTT push to talk on device under test You will see measured of frequency power level and frequency deviation on Tester s screen With PTT push to talk pressed save measured...

Page 72: ...primary testing of the just mounted station make sure that AIS equipment is installed in proper way according to this guidance and manufacturer demands to get the successful operation of the AIS One...

Page 73: ...AIS station for message 5 In TEST AIS TEST AIS Class A mode and for message 24 In TEST AIS TEST AIS Class B mode in one minute c After the message 5 or message 24 is received by tester the tester tran...

Page 74: ...r the sound signal the message 1 with MMSI 413999998 and increased relatively to AIS station coordinates on 0 1 nautical mile will be sent in 2 4 seconds As a result the virtual ship object with MMSI...

Page 75: ...up to 15 minutes before AIS SART starts transmission of test messages It depends on the AIS SART capability to determine the coordinates fast by means of internal GPS receiver Most general it will req...

Page 76: ...E 20210520 02 73 10 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...

Page 77: ...idity of air no more than 80 It is necessary to keep the device in package for three hours minimum at normal conditions after it was at temperature variations After storage in conditions of high humid...

Page 78: ...of standard connector e g of PC USB connector or network USB adaptor Once external power source is connected the Tester is charging no difference if it turned ON or OFF If the Tester s accumulator is...

Page 79: ...2 20 89 21 38 21 88 22 39 22 91 23 44 23 99 24 55 44 25 12 25 70 26 30 26 92 27 54 28 18 28 84 29 51 30 20 30 90 45 31 62 32 36 33 11 33 88 34 67 35 48 36 31 37 15 38 02 38 90 46 39 81 40 74 41 69 42...

Page 80: ...T on NGT 200 connector pin type DSUB 9 male Type of signal sent to outlet While connecting to external equipment connect to 1 Not connected Don t connect 2 RS232 RX RX232 Tx 3 RS232 TX RX232 Rx 4 Not...

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