XGB RTC Option Board Manual
9 - 2
9.1.4 How to change battery
The user should change the battery used to save the program and backup the data in case of power
failure periodically. Though the user eliminate the battery, it works for 30 minute by super capacitor.
Change the battery as fast as possible.
Sequence changing battery is as follows.
Pick up using battery from holder and
disassemble the connector
Insert new battery and connect to
connector with proper direction
Check the LED whether ERR LED is off