Power-on, recording:

turn the power switch to ON position and the device will power on and start recording automatically. In the course of recording, the recording indicator remains on.

Power-off, save:

turn the power switch to OFF position and the device will save the recording file and power off.

Battery indication:

in the course of recording, the recording indicator may flash to indicate low power. Please charge the battery in time.

Charge reminder:

in the course of charging, the indicator remains flashing; when the battery is fully charged, the recording indicator remains on.