Operation Manual

74 MT-700
External Connections: Jack for External Speaker & 8 pin COM connector.
Watch Receiver: Separate CH70 watch receiver included. Decoding
performance is less than 10
-2
Bit error rate with 0dBµV
input signal level.
CPU: High-speed 8 bit RISC microprocessor with FLASH
programmable.
DSC Call Types: See chart below:
Format
Specifier
Category First Telecommand
Symbol number
Receive Transmit
Distress - (112) F3E/G3E Simplex - (100) X X
All Ship’s - (116) Distress - (112) Distress ACK - (110) X
All Ship’s - (116) Distress - (112) Distress RELAY - (112) X
All Ship’s - (116) Urgency - (110) F3E/G3E Simplex - (100) X X
All Ship’s - (116) Safety - (108) F3E/G3E Simplex - (100) X X
Individual - (120) Urgency - (110) F3E/G3E Simplex - (100) X
Individual - (120) Safety - (108) F3E/G3E Simplex - (100) X
Individual - (120) Routine - (100) F3E/G3E Simplex - (100) X X
Individual - (120) Routine - (100) Ship Position - (121) X X
Group - (114) Routine - (100) F3E/G3E Simplex - (100) X X
2
nd
Telecommand
Transmit & Receive (126) - No Information.
DSC Distress Key: Red & Covered. Plastic Cover is hinged to prevent loss.
Key is backlighted full time. Hold down 3
seconds-countdown timer is displayed.
DSC Call Log: 32 Entries. Instant call back any Log Entry with
Individual Routine call.
Caller’s Name is displayed if MMSID matches to
Directory Entry.
DSC Directory: 32 Entry list with scrolling and Auto Sorting. Entries
can be edited to Line/Character position.
MMSID: Own Ship’s & Group are stored in nonvolatile