GoPro Hero 3 White edition User Manual page 33

STATUS INDICATOR LIGHTS
Keep all four status indicator Lights active, only two active (front and back)
or turn oFF all lights.
4 (Default)
2
OFF
SOUND INDICATOR
You can adjust volume or turn oFF the sound indicator.
100% (Default)
70%
OFF
MANUAL POWER OFF
The HERO3 can be configured to automatically power oFF after a specific
period of inactivity (when no Videos or Photos are being taken and no
buttons have been pressed).
MANUAL (Default)
60
sec
120
sec
300
sec
set uP
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