Powering The Device On / Off; Auto Power On/Off; Manual Power On/Off - HP F310 User Manual

2.4 Powering the Camcorder On / Off

2.4.1 Auto Power On/Off

Once the vehicle engine is started, the camcorder automatically turns on.
If the Automatic Record function is enabled, the recording will
automatically start right after the camcorder powers on.
See Set Automatic Recording (2.5.1).
Once the vehicle engine shuts down, the camcorder automatically saves
the recording and turns off the power within 10 seconds.
See Delay Shutdown (4.2).

2.4.2 Manual Power On/Off

To manually turn on the power, press the POWER
button.
To turn off, press and hold the POWER button for
at least 2 seconds.
To reset, press and hold the POWER button for at
least 5 seconds.