MF/HF/VHF DSC Marine Radio Test System MRTS
Contents
1. 000 Ee Fl 4 5 6 Tx DSC Osc COAX ANT GMDSS f a Transceiver 2 DONG 3 0 7 Ent sie lt Freq Counter Picture 6 1 6 3 Send the DSC messages of Individual call format See picture 6 2 During the tests by Individual call format message it is important that correct MMSI number of addressee station is specified Use the EDIT MMSI menu SET UP to specify the required number Then choose the SEND DSC TEST or TRAFIC required frequency and normal power level of signal Be sure that the whip antenna of tester is in direct visibility of vessel receiver antenna before send the HF message It is recommended to connect the counterpoise earth in MF HF ranges for example ground connection or use the antenna in the form of wire circle connected between HF output Tx DSC OSC and tester s case Item 6 page 16 Operation guideline 22 01 2007 Safety solutions Technical description and user manual Musson Marine MF HF VHF DSC Marine Radio Test System MRTS 7 MF HF VHF DSC Marine Radio Test System MRTS 7 BQ NE 9 ee F 4 5 6 tsc ose ANT GMDSS A fa 2 E Transceiver F3 0 E nt mee AAJA SS i Freq Counter Picture 6 2 6 4 Receive the DSC messages See picture 6 3 In RECEIVE DSC mode tester receives messages from any MMSI number Thus it is recommended to use the MMSI number of sending radio station or one of follows MMSI numbers 999 999 999 or 201 999 999 201 Alb2. Item 3 page 8 Complete set 22 01 2007 Safety solutions Technical description and user manual Musson Marine MF HF VHF DSC Marine Radio Test System MRTS 7 4 OPERATION Tester consists of three main units receiver unit generator unit and controller unit Receiver unit is intended to receive and demodulate the HF signals of MF HF VHF frequency ranges and also is intended to provide the other units with stabilized voltage and connection to PC Receiver unit consists of e superheterodyne MF HF range with frequency adjustment 8814 and demodulator of FSK signal by means of phase locked loop frequency control e superheterodyne VHF range with frequency adjustment 455 kHZ and FM detector of counting type e linear voltage stabilizer 10 V main primary voltage e linear voltage stabilizer 5 V for controller unit e converter of negative voltage 4 V to switch the pin diodes e UART USB bridge Generator unit is intended to form the output frequency range in SEND DSC RF OSC modes and heterodyne frequency for MF HF VHF receivers The unit consists of following main subunits e temperature compensated reference generator 16384 kHz e phase locked loop frequency control circuit including the DDS former of reference frequency e 4 VCO that cover 100 200 MHz frequency range e set of 8 scalers with Kdev 2 e set of 13 semiactive filters of 7 order with c pin d
3. Musson Marine MF HF VHF DSC Marine Radio Test System MRTS 7 Safety solutions Technical description and user manual MF HF VHF DSC Marine Radio Test System MRTS 7 Technical description and user manual MN Muss Safety solutions MF HF VHF DSC Marine Radio Test System MRTS 7 Technical description and user manual Changes indication page Page number Changes Item number Changed or updated New one Changes indication page Document number Signature number Internal accompanying document reference Date canceled MN Muss Safety solutions MF HF VHF DSC Marine Radio Test System MRTS 7 Technical description and user manual Actual content pages Item Page Date Item Page Date Changes Item 6 16 12 10 07 indication page 1 22 01 07 Operation guideline Actual content 2 22 01 07 Item 7 17 22 01 07 pages Tester s calibration Contents 3 22 01 07 Item 8 18 22 01 07 Item 1 4 14 01 08 Maintenance Purpose guideline Item 9 19 22 01 07 Item 2 6 12 10 07 Storage rules Main features and characteristics Appendix 1 20 14 01 08 Controller software update Item 3 8 22 01 07 manual Complete set Item 4 9 22 01 07 Operation Item 5 10 29 10 07 Preparation for operation and operation procedures Actual content pages Page 2 22 01 2007 Musson Marine MIN Safety solutions MF HF VHF DSC Marine Ra
4. The normal high level of output signal recommended while sending by means of antenna e LOW POW the reduced level of output signal recommended while sending by means of cable 5 3 2 Menu SEND DSC gt TRAFFIC TRAFFIC DSC message with format specifier 120 Individual call and Category ID 100 Routine intended for exact addressee with exact MMSI number on frequencies dedicated for daily radio usage First choice the choice of range and operating frequency e MF 2177 0 kHz 2 189 5 kHz e HF 4219 5 kHz 6 331 0 kHz 8 436 5 kHz 12 657 0 kHz 16 903 0 kHz Then the choice of power level of output signal e NORM POW The normal high level of output signal recommended while sending by means of antenna e LOW POW the reduced level of output signal recommended while sending by means of cable After that the message with chosen parameters and radio addressee MMSI number are shown on LCD The MMSI number can be changed in SET UP menu if it s required 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 Otherwise the message will sent but will not be received by this station 5 3 3 Menu SEND DSC gt TEST TEST DSC message with format specifier 120 Individual call Category ID 108 Safety intended for exact addressee with exact MMSI number on DISTRESS frequencies Thus this
5. e VHF 156 525 MHz CH 70 e HF DISTRESS 4 207 5 kHz 6 312 0 kHz 8 414 5 kHz 12 577 0 kHz 16 804 5 kHz TRAFIC iooi 4219 5 kHz 6 331 0 kHz 8 436 5 kHz 12 657 0 kHz 16 903 0 kHz e MF DISTRESS 2187 5 kHz TRAFIC 2 177 0 kHz 2 189 5 kHz After the frequency is chosen tester goes to received mode waiting for message and displays WAITING FOR A SIGNAL When the tester detects coming DSC message it gives the sound alert After the message is received the tester will display on LCD the decoded information also the received and calculated checksum ECC and power level are displayed too The received data such as the signal power level operating frequency date and time of tests message contents can be saved by pressing the SAVE key of contextual menu If you would like to escape the waiting mode manually just press one of the Ent OK MAIN or ESC keys Item 5 page 12 Preparation for operation and operating procedures 22 01 2007 Safety solutions Technical description and user manual Musson Marine MF HF VHF DSC Marine Radio Test System MRTS 7 5 5 Menu LAB KIT mini laboratory In LAB KIT mode the following instrument can be chosen e RF OSC HF signal generator e F COUNTER Frequency counter e DEVIATION frequency deviation measurement on 6 13 16 and 70 channels of VHF range 5 5 1 Menu LAB KIT gt RF OSC In LAB KIT gt RF OSC mode the tester becomes the multi purpose HF
6. Item 5 page 14 Preparation for operation and operating procedures 22 01 2007 Safety solutions Technical description and user manual Musson Marine MF HF VHF DSC Marine Radio Test System MRTS 7 5 7 Menu NAVTEX transmission of the NAVTEX test message First of all it necessary to choose the one of three frequencies intended for usage by NAVTEX system e 518 0 kHz e 490 0 kHz e 4209 5 kHz Then choose the signal s power and transmit the message DDHHMM UTC SEP 07 DD current date HH MM current time TEST FROM MRTS 7 NNNN The message is transmitted with ID CDXX identifier where the XX number from 00 to 99 increased every time the message transmitted After the tester is powered off the number is set to 00 Item 5 page 15 Preparation for operation and operating procedures 22 01 2007 Safety solutions Technical description and user manual Musson Marine MF HF VHF DSC Marine Radio Test System MRTS 7 6 Operation guideline 6 1 Tester s self test 6 2 Send the DSC message of DISTRESS format on MF HF VHF See picture 6 1 Attention During the tests of DSC radio station be careful and pay attention to avoid the false emergency alert signals emission Thus in SEND DSC gt DISTRESS mode it is strongly recommended to connect the tester by means of cable and choose the minimal power level of transmitted signal LOW POW MF HF VHF DSC Marine Radio Test System MRTS 7
7. generato The first user choice frequency range setup e 100 200 MHz frequency tuning step 1 kHz e 25 100 MHz frequency tuning step 1 kHz 2 25 MHz frequency tuning step 125 Ty Then the operating frequency can be setup by means of digital keypad the number position can be changes by moving of the lower cursor by means of and keys Use the context dependent keys DF and DF Delta Frequency to change up or down the frequency by minimal allowed frequency tuning step for this range The last used frequency will be saved in memory after leaving the range to other menu and will be setup automatically when this range is chosen again The last used frequency meanings of all three ranges will be saved in memory until the tester is turned on The level of output signal can be setup by means of t Up or Down keays in range of minimal 0 dB and maximal 70 dB meaning by step of 2 dB 5 5 2 Menu LAB KIT gt F COUNTER The LAB KIT gt F COUNTER mode is the multi purpose frequency counter which is capable to measure the frequency in range of 100 kHz to 640 MHz from separate input Freq Counter Two frequency ranges can be chosen e 0 1 45 MHz e 45 640 MHz Or self test SELF TEST mode which is intended to measure the frequency of built in high stable temperature compensated TCXO oscillator The meaning of 16 384 000 2 Hz is correct and indicates normal conditions After the frequency ran
8. message is very useful to test the DSC radio stations on DISTRESS frequencies without any risks of false emergency alerts As in previous cases the have to choose the operating frequency e VHF 3 156 525 MHz CH 70 e MF HF 2 187 5 kHz 4 207 5 kHz 6 312 0 kHz Item 5 page 11 Preparation for operation and operating procedures 22 01 2007 Safety solutions Technical description and user manual Musson Marine MF HF VHF DSC Marine Radio Test System MRTS 7 8 414 5 kHz 12 577 0 kHz 16 804 5 kHz Then to choose the power level of output signal e NORM POW The normal high level of output signal recommended while sending by means of antenna e LOW POW the reduced level of output signal recommended while sending by means of cable 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 Otherwise the message will sent but will not be received by this station 5 4 Menu RECEIVE DSC Receive the DSC messages In RECEIVE DSC mode tester receive and decode DSC message in DISTRESS 112 n INDIVIDUAL CALL 120 formats the messages of other formats are not to be decoded as the tester is not the DSC receiver station and intended only to check the operation of DSC equipment First of all it is necessary to set up choose the range and operating frequency from the set or the DISTRESS frequency
9. precipitation Temperature in warehouse should be ensured from 278 K 5 C up to 313K 40 about C and relative humidity of air no more than 80 Item 9 page 19 Storage rules 22 01 2007 Musson Marine MF HF VHF DSC Marine Radio Test System MRTS 7 Safety solutions Technical description and user manual Appendix 1 MRTS 7 controller software update It is necessary to install the FT232R drivers on PC before update the software see item 5 6 1 Also you should have the software update package including communication program intended to load the object code from PC to controller be means of USB connection cable and HEX file the object code should be loaded The software package is distributed by manufacturer The step by step update manual 1 Connect the tester to PC by means of issued USB cable 2 Turn on the tester and DO NOT PRESS ANY KEYS AFTER as only in this mode the BOOT LOADER is still running providing the object code loading to controller 3 Run the Update_Sotf software from the package and choose the necessary virtual COM port After that the data will be loaded automatically 4 After loading is finished close the software window turn off the tester and disconnect the USB cable 5 Power on the tester and ensure that the controller s software was updated 6 The emergency MRTS 7 software update instructions If the tester can not be turned on by usual means of keys it is necessary
10. ania to avoid the disturbing of any GMDSS system participants Be sure the RECEIVE DSC mode is chosen and required frequency is setup before send the signal from test station Be sure that the whip antenna of tester is in direct visibility of vessel receiver antenna before send the HF message ATTENTION The tester can receive the DSC messages of DISTRESS format but use message format to test the station only in absolute necessity cases as it is very difficult to avoid the reception of false emergency signal by other stations Even equivalent load will not help taking into account the hundred watt power level of emitted signal and mkV stations receiver sensitivity Item 6 page 16 Operation guideline 22 01 2007 Safety solutions Technical description and user manual Musson Marine MF HF VHF DSC Marine Radio Test System MRTS 7 MF HF VHF DSC Marine Radio Test System MRTS 7 ee T B 9 A ps ELA 4 s 5 6 TxDSC ose ANT GMDSS r2 1 2 3 Transceiver a 0 Enp Rpsc A A A Freq Counter Picture 6 3 6 5 Tester s operation in HF generator mode RF OSC The output of HF generator is Tx DSC OSC The own output frequency and heterodynes frequencies in DSC receive mode can be measured by FREQUENCY COUNTER It is due to the last frequency and output level are saved after escaping the FR OSC menu They saved until the next change of frequency in SEND DSC or RECEIVE DSC modes 6 6 Tester s ope
11. dio Test System MRTS 7 Technical description and user manual CONTENTS Item name Item Page Changes indication page 1 Actual content pages 2 Contents 3 Purpose 1 4 5 Main features and characteristics 2 6 7 Complete set 3 8 Operation 4 9 Preparation for operation and operation procedures 5 10 15 Operation guideline 6 16 16 16 Tester s calibration 7 17 Maintenance guideline 8 18 Storage rules 9 19 Controller software update manual Appendix 1 20 Contents page 3 22 01 2007 Safety solutions Technical description and user manual Musson Marine MF HF VHF DSC Marine Radio Test System MRTS 7 1 PURPOSE The MF HF VHF DSC Marine Radio Test System MRTS 7 further tester is intended to carry out the efficiency maintenance and servicing tests of the following equipment under IMO A 948 23 resolution VHF receiver transmitters efficiency tests on 6 13 and 16 channels test of frequency and output power VHF receiver transmitters with DSC test confirming the correctness of the MMSI code programmed in equipment without any broadcast emission test of correct transmission reception of DSC messages by means of transmission reception of test message MF HF radiotelephone equipment test of frequency tolerance in range 1600 30000 kHz efficiency tests by means of transmission line quality and transmitter output power measurements
12. e DSC messages e RECEIVE DSC Receive the DSC messages e NAVTEX NAVTEX test message transmission e LAB KIT mini lab HF generator frequency counter e SETUP tester s settings 5 2 LCD Hightlight The level of LCD highlight can be changed by help of Backlight button but it can be done only on MAIN menu There are four levels of LCD highlight the first highlight is turned off The default highlight level is third 5 3 The SEND DSC send the DSC messages In SEND DSC menu user can choose on of following DSC message type to send TEST TRAFFIC DISTRESS CUSTOM optional 5 3 1 Menu SEND DSC gt DISTRESS DISTRESS DSC message with format specifier 112 DISTRESS which will be sent on specially dedicated frequencies This message can be accepted by any maritime and coastal radio stations Thus it is recommended to send this DSC message inly by means of cable with reduced level taking into account all safety measures to avoid false DISTRESS signal In this menu the user can choose the operating frequency at first e VHF 156 525 MHz CH 70 e MF HF 2 187 5 kHz 4 207 5 kHz Item 5 page 10 Preparation for operation and operating procedures 22 01 2007 Safety solutions Technical description and user manual Musson Marine MF HF VHF DSC Marine Radio Test System MRTS 7 6 312 0 kHz 8 414 5 kHz 12 577 0 kHz 16 804 5 kHz Then the user can set up the power of output signal e NORM POW
13. efficiency test in all frequency range 1600 30000 kHz MF HF DSC controllers test confirming the correctness of the MMSI code programmed in equipment test of presence of emergency signal on MF HF with DSC by means of transmission of DSC Distress message e MF HF receivers monitoring the DSC efficiency test by means of transmission of test call NAVTEX equipment efficiency test by means of transmission of test message e VHF duplex radiotelephony equipment efficiency tests on 6 13 and 16 channels frequency tolerance test and frequency deviation estimation VHF equipment of duplex radiotelephony with airplanes including operating on 121 5MHz and 123 1MHz frequency and power measurements carried radiophone stations operating in range 300 025 300 225 MHz intended for river sea vessels frequency and power measurements The tester is capable to receive the MF HF VHF radios emission working in normal mode without any connections by means of telescopic antenna and transmit the DSC message both by means of telescopic antenna and direct HF cable connection to DSC receiver input Besides the tester allows to e generate the HF signals in range of 0 5 200 MHz e measure the signals frequency in range 0 1 640 MHz The main view of tester is shown on figure 1 1 Item 1 Page 4 Purpose 22 01 2007 Musson Marine MF HF VHF DSC Marine Radio Test System MRTS 7 Safety solut
14. ge is chosen press the Ent key to start the measurements each further key will show the next new measurement Measurement interval time 0 1 second 5 5 3 Menu LAB KIT gt DEVIATION This mode allows to measure the frequency deviation in VHF range on following channels CH 06 156 300 MHz Item 5 page 13 Preparation for operation and operating procedures 22 01 2007 Safety solutions Technical description and user manual Musson Marine MF HF VHF DSC Marine Radio Test System MRTS 7 CH 13 156 650 MHz CH 16 156 800 MHz CH 70 156 525 MHz The measurements are carried out in automatic mode the deviation meaning DEV and received signal level RSSI are displayed on LCD The deviation measurement range is limited by pass band of phase locked loop frequency control and can not be more then 7kHz At signal level of 100 mkV 40 dBuV the frequency detector is overloaded by noises and the deviation meaning tends to maximum 6 9 7 0 kHz this should be taken into account during measurements 5 6 Menu SET UP tester s setting In SET UP_ menu the following parameters can be setup SELF TEST self test of tester e EDIT MMSI edit the MMSI number of radio station addressee It is important that this number is equal to MMSI number of radio station to be checked by sending of DSC messages of Individual call TEST n TRAFIC format PC LINK provides the connection to PC 5 6 1 Menu SET UP gt PC LINK T
15. he tester can be connected to PC USB port by means of integral bridge USB UART USB Serial Converter FTDI FT232R The freeware soft distributed by FTDI will create virtual COM port to establish the connection with device Thus it is necessary to install the software and FT232R drivers on your computer Attention All drivers etc can be found at our website www gmdsstesters com in Download section Software includes E MRTS7_software ZIP archive of original developer software distributive E CDM 2 00 00 folder with FT232R drivers 7 Windows_XP_Installation Guide the detailes step by step drivers installation manual The recommended installation order as follows 1 Unzip the archive to any folder on a hard disk 2 Run the MRTS 7 software vX X 3 Connect the tester and the PC by means of USB cable available in standard compete set and turn on the power 4 PC will show the message that new USB device was and will to setup the drivers Choose the exact folder and set the path to CDM 2 00 00 folder 5 Enter the testers menu SET UP gt PC LINK and press the button Download data in MRTS 7 software 6 In the appeared Download data window choose the nit Port and then COMX where X is number of emulated COM port usually in range of 3 11 The push the Download button The data transfer will be started 7 After the data is received it can be viewed by means of green arrows at the right top of software window
16. iode commutators e output wide range amplifier e resistance attenuator with relay commutator e serial parallel counters instruction receivers from Controller unit Controller unit is intended to control all tester operation its connection to PC procedure to measure the frequency Controller units consists of main controller clock calendar with lithium battery power supply FSK modem for DSC modulation demodulation in VHF range frequency counter negative voltage converter for LCD LCD and keyboard Item 4 page 9 Operation 22 01 2007 Safety solutions Technical description and user manual Musson Marine MF HF VHF DSC Marine Radio Test System MRTS 7 5 PREPARING FOR OPERATION AND OPERATION PROCEDURES 5 1 General The tester has user friendly interface The tester is controlled by means of MENU and 5 independent navigation keys f lt Ent and 3 context dependent keys MAIN OK and ESC The vertical menu navigation is carried out by means of ft and keys Confirm choose something by means of Ent and OK and escape cancel or move up menu level by means of ESC key Use the MAIN key to go directly to main menu After the tester is turned on it displays the device s model its serial number software version and manufacturer After that it is necessary to push Ent or OK key to enter the main menu The main menu allows to choose one of following operating modes e SEND DSC Send th
17. ions Technical description and user manual AF HF VHF DSC Marine Radio Test System MRTS 7 Figure 1 1 MRTS 7 1 1 The tester is designed to operate in range of 0 C go 45 C external environments and 95 relative humidity which is connected with LCD display implementation 1 2 The tester is power supplied by external 7 10VDC power supply unit not less G 00mA load current Attention While using exterior power supply unit be careful to pay attention to its right polarity The power supply units of different manufacturers have opposite polarity of external signal The polarity of power supply unit should be the same as shown below or indicated on the bottom of tester s case 9VDC O Item 1 Page 5 Purpose 22 01 2007 Musson Marine MF HF VHF DSC Marine Radio Test System MRTS 7 Safety solutions Technical description and user manual 2 MAIN FEATURES AND CHARACTERISTICS 2 1 Operational frequencies 2 1 1 DSC operational frequencies in SEND DSC and RECEIVE DSC modes 2 1 1 1 MF range 2187 5 kHz Distress frequency 2177 0 kHz Traffic frequency 2189 5 kHz Traffic frequency 2 1 1 2 HF range Distress frequencies Traffic frequencies 4207 5 kHz 4219 5 kHz 6312 0 kHz 6331 0 kHz 8414 5 kHz 8436 5 kHz 12577 0 kHz 12657 0 kHz 16804 5 kHz 16903 0 kHz 2 1 1 3 VHF range 156 525 MHz ITU CH70 2 1 2 Frequency range and frequency res
18. olution in HF generation mode Range MHz Frequency spacing kHz 100 200 1 0 kHz 25 100 1 0 kHz 0 5 25 125 Hz 2 1 3 Stability of output frequencies Frequency setup accuracy at 20 C not less 1 0 ppm Temperature stability of frequency in range of 5 45 C not less 1 0 ppm Aging rate not more 1 0 ppm year for first year at 20 C 2 2 Levels of output signals 2 2 1 Levels of output signals in SEND DSC mode 2 2 1 1 NORM POW mode e VHF range 96 dBmkV 1dB MF HF range 96 dBmkV 1dB 2 2 1 2 LOW POW mode e VHF range 40 dBmkV 3dB MF HF range 40 dBmkV 3 dB Item 2 page 6 Main features and characteristics 22 01 2007 Musson Marine MF HF VHF DSC Marine Radio Test System MRTS 7 Safety solutions Technical description and user manual 2 2 2 Levels of output signals in LAB KIT RF OSC mode F range MHz Output signal level 100 200 98 dBmkV 1 5 dB 25 100 98 dBmkV 1 0 dB 0 5 25 98 dBmkV 2 0 dB 2 2 3 Signal strength depression range 0 70 dB 2 2 4 Signal strength depression setup step 2 dB 2 2 5 Attenuation characteristic deviation in frequency range of 2 200 MHZ not less 1 dB deviation from rating value 2 3 Input and output resistances 2 3 1 Resistance of Tx_DSC OSC output 50 5 Ohm 2 3 2 Resistance of Rx_DSC input 50 5 Ohm 2 3 3 Resistance of Freq Coun
19. ration in FREQUENCY COUNTER mode F Counter The input of Frequency counter is Freq Counter The input resistances of frequency counter 0 1 45 MHz range 1000 Ohm 45 512 MHz range 50 Ohm Item 6 page 16 Operation guideline 22 01 2007 Musson Marine MF HF VHF sites pone so Test System MRTS 7 V i M Safety solutions Technical description and user manual 7 Tester s calibration The tester is a complex special use electric device Thus it is should be calibrated only by manufacturer by means of corresponding equipment The tester should be calibrated every two years Date of next calibration Item 7 page 17 Tester s calibration 22 01 2007 Safety solutions Technical description and user manual i MF HF VHF DSC Mari i Musson Marine IHF V SC Marine Radio Test System MRTS 7 8 Maintenance guideline It is necessary to keep the device in package not less then for two hours at normal conditions when it was at high temperature deviation Keep it the package in at normal condition within 12 hours after storage of the tester in conditions of high humidity Item 8 page 18 Maintenance guideline 22 01 2007 Musson Marine MF HF VHF DSC Marine Radio Test System MRTS 7 Safety solutions Technical description and user manual 9 Storage rules The device should be stored in package in warehouse locations defending it from effect of atmospheric
20. ter input for 0 1 45 MHz range 1000 100 Ohm for 45 640 MHZ range 50 5 Ohm 2 4 Max and min Level in RECEIVE DSC mode 2 4 1 Maximum signal s level applied to Rx_DSC input 20 dBmW 126 dBmkV 2 4 2 Minimal signal s level can be determined by DSC decoder for VHF range 40 dBmW 66 dBmkV for MH HF range 30 dBmW 77 dBmkV 2 4 3 linear range of logarithmic measuring instrument of received signal 28 100 dBmkV at 1 5 dB accuracy 2 5 Tester s parameters in F_COUNTER frequency counter mode 2 5 1 Ranges of frequencies e 0 1 45 MHz with accuracy 90 Hz 45 640 MHz with accuracy 900 Hz 2 5 2 Sensitivity e in range 0 1 50 MHz 17 dBmW 31 6mV 90 dBmkV in range 50 200 MHz 2 5 dBmW 300 mV 109 5 dBmkV e in range 200 640 MHz 7dBmW 100 mV 100 dBmkV Item 2 page 7 Main features and characteristics 22 01 2007 Safety solutions Technical description and user manual M i i Musson Marine F HF VHF DSC Marine Radio Test System MRTS 7 3 COMPLETE SET 3 1 The complete set of tester includes the items in accordance with table 3 1 Table 3 1 Item name Qty Notes 1 MF HF VHF Marine Radio Test 1 System MRTS 7 2 Power supply unit 1 3 Antenna 1 4 Computer cable software 1 5 Technical description and user 1 manual 6 Package 1 Issue number Issue date Acceptance date
21. to connect the tester to PC by means of USB cable press the F3 button and keeping it pressed power on the tester Still keeping pressed the F3 button after 7 10 seconds the tester was powered on run the Update_Sotf this delay is necessary to find the FTDI USB converter by PC then choose the virtual COM port and after the object code is loaded release the F3 button The pressed F3 button keeps the controller in stand by load update mode and BootLoader placed in protected memory areas is activated Attention All drivers etc can be found at our website www gmdsstesters com in Download section Item 9 page 20 Storage rules 22 01 2007
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