Furuno RP-250 - Manual (Page 51)

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8 MAINTENANCE
8.1 Replacing the Battery on the RP Board
A battery installed on the RP board inside the radar display unit preserves
video plotter setting data when the power is turned off. The life of the battery is
about five years. When the battery voltage is low, NG (No Good) appears at
the diagnostic test for the RP board. Contact your dealer about replacement, at
your earliest convenience.
Battery for Battery Type Code Number
RP board CR2450-F2ST2L 000-144-941
8.2 Replacing the Battery in the Memory Card
The life of the battery in the memory card is about three years. When the
battery voltage is low, NG (No Good) appears at the diagnostic test for the
memory card. Replace the battery at your earliest convenience to prevent loss
of data.
Note: Replace the battery within 10 minutes after removal to prevent loss of
data.
WARNING: Use only the specified battery. Use of an incorrect battery may
cause explosion. Dispose of the battery in accordance with local regulations.
Battery for Battery Type Code Number
Memory card CR2025 000-141-093
1. Use your finger to slide the
battery case release switch in
the direction shown in the
illustration below.
2. Pull out the battery case and
remove the battery.
3. Insert new battery “+” side up.
WARNING: Be sure the
battery is inserted correctly.
Explosion may result if the
polarity is incorrect.
4. Set the battery case to the memory card.
5. Close the battery case release switch.
Battery case release switch
Battery case
"+" side
UP.