Furuno FS-75 User Manual

FS-5000/8000
A3-22
6.2 Antenna Coupler unit
Old type antenna coupler
New type antenna coupler (05P0358-44 and after)
To check the antenna coupler for proper operation, press the CHCK button (S2) on the
coupler board. The relay start chattering and LED’s CR1 to CR24 blink one by one in
ascending order. If device failure is found, an appropriate LED lights to indicate the
offending device:
Device
LED
ROM CR1
RAM CR2
A/D converter CR3
Note) ROM, RAM, A/D converter are incorporated in the CPU.

Furuno FS-75 Specifications

General

Brand	Furuno
Model	FS-75
Category	Marine Equipment
Language	English