FujiFilm finepix xp90 series Owner's Manual page 36

Turning the Camera on and Off
Q Fingerprints and other marks on the protective glass covering the lens can affect
pictures. Keep the glass clean.
Q The ON/OFF button does not completely end the supply of power to the camera.
R Auto Power Off
The camera will turn off automatically if no operations are performed for the length of
time selected for M AUTO POWER OFF (P 92). To turn the camera on, use the ON/OFF
button or press the a button for about a second.
18 First Steps