When Battery Alarm! Appears - Furuno RD-30 Operator's Manual

8. The equipment beeps and then displays the following message to inform you
that it is now going to check the LCD:
9. The LCD is checked and then the entire test is repeated. To stop the test,
turn off the power.
2.4

When BATTERY ALARM! Appears

A lithium battery (type: CR2354-1F2, code no.: 000-142-305) is installed on the
circuit board inside the display unit, and it preserves data when the power is
turned off. The life of the battery is about 3-5 years. When its voltage is low
BATTERY ALARM! appears on the display to alert you. When this happens,
have a qualified technician replace the battery, following the procedure below.
1. Press the [MENU] key once or twice to open the menu.
2 Select SYS SETUP and then press the [ENT] key.
3. Select EXCHANGE BATTERY? and then press the [ENT] key. The display
shows the following message:
4. Press ◄ to select YES and then press the [ENT] key. The following display
appears. (At this time, the contents of the RAM are temporarily moved to the
flash memory.)
2. MAINTENANCE, TROUBLESHOOTING
<LCD CHECK>
ALL ON 2 SEC.
ALL OFF 3 SEC.
LCD CHECK screen
SYSTEM SETUP
TIME DISP : 24HOUR
BRG READ : MAGNETIC
MAG VAR. : AUTO
SIMULATOR: OFF
TEST?
EXCHANGE BATTERY?
SYSTEM SETUP menu
EXCHANGE
BATTERY?
ARE YOU SURE?
YES NO
Exchange battery window
E00
2-3