The Power/Test button in the BMU801 front panel is used for the following actions:
- Switching on BMU801
- Switching off BMU801
- Checking the battery status
To switch the unit on and off, press and hold the Power/Test button for 4 seconds and then release the button.
To check the battery status when the battery is discharging and the battery status LEDs are blank, press the Power/Test button briefly. The LEDs display the battery status and return to the previous state after that.