Olympus PT-041 Mode D'emploi page 52

How to Use the POWER Button
Press the POWER button to turn the
camera ON/OFF.
En
CAUTION:
To save battery power, the camera automatically goes into sleep mode and
the monitor turns off if there is no operation when the camera is turned on.
No picture is taken even if the shutter lever is fully pressed in this mode.
Operate the zoom buttons or other buttons to restore the camera from sleep
mode before taking a picture. If the camera is left for 15 minutes, it
automatically turns off. Press POWER button to turn the camera on.
For details, refer to your digital camera's instruction manual.
EN 14
POWER button