Furuno FE-700 - Manual (Page 28)

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5.2.4 Alarm
You can set turn alarm on or off. In the ON mode,
if the main display unit activates the alarm, the
FE-720 also.
1. Press the MENU key to display main menu.
2. Press [▲] or [▼] to select ALARM.
3. Press the ENT key. The following window
appears.
ON
OFF
4. Press [▲] or [▼] to select appropriate option.
The default is ON.
5. Press the ENT key to set.
6. Press the MENU key to finish.
If the alarm sounds, press any key to silence it.
5.3 Diagnosis
The diagnostic test checks ROM, RAM, keys and
LCD of the FE-720.
1. Press the MENU key to display main menu.
2. Press [▲] or [▼] to select TEST.
3. Press the ENT key. The following window
appears.
TEST START?
(STOP : PWR OFF)
ARE YOU SURE?
YES NO
4. With YES selected, press the ENT key to
start the test. The equipment tests the ROM
and RAM, displaying the results as OK or
NG (No Good). If NG appears, contact your
dealer for advice.
TEST
ROM : OK
RAM : OK
PUSH KEY
(STOP: PWR OFF)
CNT: 001 65-5-0100-003
5. After "PUSH KEY" is displayed, press each
key one by one. The name of the key
pressed momentarily appears if the key is
functioning properly.
The display shows the following message to
inform you that the program is now going to
check the LCD.
ALL ON 2 SEC
ALL OFF 3 SEC
The whole display brightens for 2 seconds then
turns off for 3 seconds. Test repeats. CNT, which
is number of times the test has been
consecutively executed, is counted up.
6. To stop the test, turn off the power.
5.4 Factory Setting
You can restore default settings to start operation
anew. Press the POWER switch while pressing
[▲]. The message "RESET BACKUP DATA!"
appears. After a while, all default settings are
restored and the depth indication appears.