Furuno GD-280, Operator'S Manual

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14-2
5) Fuse replacement
If the power cannot be turned on check the fuse on rear panel. If it has blown find out the cause
before replacing it. If it blows again after replacement request service.
Model 12 V 24-32 V
GP/GD-280 15A 10A
GP/GD-380 - 15A
GP/GD-680 - 10A
6) Battery replacement
A battery icon (
1
,
2
,
3
) appears at the bottom of the display when the voltage of the
battery in the memory card or on the circuit board in the display unit is low. The life of the
battery in the memory card is about 3 years and about 5 years for the one on the circuit board.
The user may replace the battery in the memory card; however, the battery on the circuit
board must be replaced by a qualified technician.
1
: Battery on the circuit board
2
: Battery in the memory card
3
: Both batteries
Battery Type FURUNO Code No.
Memory card CR2025 000-141-093
Circuit board 14P0318A CR2450-F2ST2 000-133-495