Clearing The Memory; Alarm And Error Message - Furuno FE-700 Service Manual

3.2 CLEARING THE MEMORY

To clear all data in the memory, follow the steps below.
Factory settings are restored after this operation.
1. Turn on the power while pressing any key. Release the keys when the optional mode window appears.
!
2. Press the [ ] key. The following window appears.
Restore factory settings.
[ + ] : YES
[ - ] : NO
3. Press the + key to clear the memory. The following display appears while data is being cleared;
Set data to default.
4. After cleared, the OPTIONAL MODE menu appears.

3.3 ALARM AND ERROR MESSAGE

When the Lithium Battery voltage becomes less than 2.66V, " LOW BATTERY ALARM"
message is displayed on the screen in red.
When the IEC61162 data is interrupted, " EPFS ERROR" message is displayed on the screen
in red. The EPFS ERROR message is displayed only when DATA 1 screen of OS DATA display
is selected.
When the depth becomes shallower than the set range, " SHALLOW DEPTH ALARM"
message is displayed on the screen and the alarm sounds.
3.2 CLEARING THE MEMORY
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