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1.2 FUNCTION OF EACH UNIT
Display Unit (FE-701 )
Board/Unit Functions
MAIN Board
(02P6280)
1) Processes depth signal by the CPU and the gate array, and converts them
into the video signal.
2) Receives panel signal.
3) Detects the depth.
4) Generates the "SHALLOW DEPTH ALARM".
5) Includes a LCD I/F and an inverter for LCD backlighting.
6) Communicates with external equipment in IEC61162-1 and RS232C data
format.
ANLG Board
(02P6281)
Consists of a power circuit, a depth sounder circuit and an interface circuit.
PNL Board
(02P6250)
Consists of keys, rotary switches, VRs, LEDs for panel illumination and a
buzzer.
MEM Board
(02P6282)
1) Memorizes the depth and time for 24 hours.
2) Contains a backup battery and a clock circuit.
Color Display
(EDTCA14QCF)
Consists of an LCD and a cold cathode tube for LCD backlighting.
Distribution Box (FE-702 )
Board/Unit Functions
CONE Board 1) Interfaces the I/O signal between the Display Unit and External Unit.
2) Converts 100/115/200/230 VAC to 24 VDC for the Display Unit.
Matching Box (MB-502/MB-504 )
Matches impedance between transmitter/receiver and transducer.
Transducer Switching Box ( EX-8 )
Selects the transducer to be used.
1.2 FUNCTION OF EACH UNIT
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