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
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