Furuno SC-60 User Manual

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4. MAINTENANCE, TROUBLESHOOTING 
 
 
 
4-6
4.6 
Replacement of Battery
The display unit and processor unit have a battery which stores data when the 
power is turned off. When the battery voltage is low the message “BATTERY!” 
appears on the display. Open the message display, by pressing the [MENU] key 
and choosing “MESSAGES”, to find out which battery’s voltage is low. Have a 
qualified technician replace the battery, following the procedure below. The life of 
the batteries is 3-5 years. 
 
Battery Location 
Type 
Code No. 
Display Unit 
TZ6580553A 
000-139-951 
Processor Unit 
CR2450-F2ST2 
000-133-495 
 
1.  Press the [MENU] key to open the menu. 
2.  Choose SYS SETUP and press the [ENT] key. 
3.  Choose EXCHANGE BATTERY? And press the [ENT] key. 
DISPLAY UNIT
PROCESSOR UNIT
 
Battery exchange options 
4.  Choose DISPLAY UNIT or PROCESSOR UNIT as appropriate and press the 
[ENT] key. 
EXCHANGE BATT?
(DISPLAY UNIT)*
ARE YOU SURE?
YES 
NO
   
* Or processor unit
 
Prompt for exchanging battery 
5. Press ◄ to choose YES and press the [ENT] key. The following message 
appears. 
READY FOR 
BATTERY CHANGE.
TURN OFF THE 
UNIT.
 
Prompt for turning off the power 
6.  At this time the contents of the RAM are temporarily moved to the flash 
memory. Turn off the power.   
7.  Have a qualified technician replace the battery.