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4-9-1. B401 (CR2025) on the SY-283 Board
Replacement
8
6
5
7
B401
n
The battery B401 (CR2025) backs up the database of file.
Replace this battery within 24 hours after the SY-283
board is pulled out from the slot.
If 24 hours or more have passed, the backup data will be
lost.
Replacement Part
Obtain a commercial lithium battery.
Part name :
Lithium battery
Specifications : Model
Voltage
Capacity
VSR-2000
4
3
2
1
CR2025
3 V
120 mAH
Removal Procedures
1. Remove the SY-283 board. (Refer to Section 4-10-8.)
2. Remove the battery.
A
B
C
D
E
F
Installation Procedures
G
1. Install a new battery on the SY-283 board.
H
At this time, put the lithium battery with the "+"
terminal side up.
2. Insert the SY-283 board in its original slot.
Setting After Replacement
It is not necessary to set after battery replacement.
4-9. Backup Battery Replacement
Raise the battery
while pushing in.
4-15 (E)
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