Nikkei EXTREME X5 User Manual page 12

To Turn the action camera off Press and hold the "Power"
button for 3 seconds, the screen will turn off.
NOTE: The action camera has a power saving setting and will
automatically turn itself off after 5mins of inactivity to save
power.
MODES
The camera has four modes for the action camera video mode,
capture mode, car mode, playback mode. Press the "Mode"
button to switch between these modes.
Video mode
Capture mode
Car Mode
Playback mode
Recording movie clips
Taking still images
Recording while in the car
Viewing the recorded files
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