How To Change The Battery - ICP DAS USA WP-8000-CE7 Series User Manual

D. How to change the battery
RTC is retained by a Li-ion battery, which can supply continuous power for 10 years. The battery
design has the added function of preventing data from being lost while replacing the battery. The
following figures show the location of the battery installed in the WinPAC CPU board.
Checking the current battery power
1. Run the PAC utility and check the Battery 1 fields that display the current status. Refer
to Section 3.1 PAC utility "General" for more details. If the power level is low that the
battery should be replaced.
2. When programming this, call the pac_GetBatteryLevel() API function in the PACSDK.dll
to check whether the battery power is low. When the power of the battery is low, it's
recommended that the battery is replaced immediately, otherwise the RTC time will
be reset.
WP-8000-CE7 Series User Manual, version 1.0.2
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