Battery voltage low level notification %XVBATLVL

The proprietary %XVBATLVL command subscribes to unsolicited battery voltage low level notifications. v2.0.x

The notification is sent when the battery voltage level is under the currently set low level. The voltage is the latest voltage measured automatically during wakeup or reception.

The battery voltage low level is set using the %XVBATLOWLVL command.