FT-7700 NAVTEX receiver for receiving International NAVTEX service of maritime safety information, Comply with ITURM 540 proposals of, A.694 (17) resolutions, Comply with maritime safety MSC.148 (77) Resolution (Adoption of a Revised receiving ship navigation and meteorological warnings and emergency information to narrow-band direct-printing telegraph equipment performance standards) And IEC60945 “Maritime navigation and radio communication equipment and systems - of General Requirements test methods and requirements for test results” requirement

Display function

Info telegram display erroneous characters displayed as “*” symbol;

Can display 16 lines of information text, 32 symbols per line;

Can the external input display GPS navigation data, such as position, speed, direc[1]tion, etc.;

Can all, alarm, weather, user selection, complete information list display informa[1]tion title;

Date and time, and operating tips display;

Self-test function

System Self-test function;

Receive test function.

Alarm function

Sound and light alarm, alarm output volume

Can distinguish the emergency alarm sound, alarm, weather, or general information received;

Select the type of information alarm;

With alarm records check and output switching functions.

Receiving information

Dual channel same time receiving and processing information;

Chinese / English Receiving information;

And phasing signal sync automatically after receiving and processing information;

Receive error rate over 33%, the Info will be rejected;

Station can compare the received range

Receiving stations can set type of information received, ABDL except type of information

Information storage

Info received error rate below 33%, the information will be automatically saved;

Receive the same Info twice a low bit error rate automatically saved;

Each receiver can store 256 an average length is 2000 character Info;

Can store of individual lengths up to 8000 character Info;

When receiving Info over 256, the oldest message is cleared automatically;

Information storage time is 60-70 hours, and 72 hours later automatically deleted (including shutdown time);

Lock information and information Info number 00 will be permanently preserved.

TECHNICAL SPECIFICATIONS

Receiver display and control unit (mainframe)

Receiving Frequency : International channels: 518 kHz Local channels: 490kHz (Chinese 486kHz) or 4209.5kHz

Operating mode : FIB (FSK: 1700Hz ± 85Hz)

Receiver sensitivity : ≤ 2 uV emf (50 ohms), the error rate of less than 4% Receiver selectivity : ≥ 300Hz (6dB Bandwidth) / ≤ 2000Hz (60dB Bandwidth)

Porous transmit : ≤ 4nW (50 ohm) Power supply : DC +9 ~ +16 V/1A

Working temperature : -15°C ~ +55°C Relative Humidity : 93% RH (40°C)

Storage capacity : 2M byte (4 pcs * 256 * 2000 symbol)

Data input : IEC-61162-1, -2 GGA, GLL, RMC, VTG, VBW, VHW, NRQ, NMK, ACK Data output : NRX, ALR NMEA

Interface : NMEA0183 (4800b/s or 38400b/s)

INS Interface : RS-232/422 (4800b/s, 9600b/s, 19200b/s or 38400b/s)

Alarm Interface : 0.5A/50V

Print interface : RS-232

Protection class : IP45

Antenna unit

Receiving frequency : 486kHz, 490kHz, 518kHz, 4209.5kHz

Antenna gain : ± 10dB (Omni directional)

Antenna Impedance : 50 ohms

Power supply : DC +7 V ~ +9 V/200mA

Working temperature : -40°C ~ +70°C

Waterproof Level : IP66

Print (optional)

Model: FT-58M

Print method : a line thermal printing

Paper width : 80 ± 0.5mm

Print Density : 8:00 / mm, 576 dots / line 72mm

Print width : 72mm

Interface Type : Serial RS-232 level 12V

Working voltage : DC 12V