### Low-voltage Alert

Current Voltage

Power on the MC using a battery and connect the MC with the PC, current voltage of the battery will be displayed in this column.

Calibration

If the battery voltage displayed here is different from the voltage you measure from a voltmeter, you have to calibrate.

1. Click the Calibration box, enter that voltage in the Calibration column of the dialogue box, and then click OK.
2. Please choose the battery type you are using, so that the MC can provide the default warning voltages and ranges for you.