ENERGY SISTEM F3510 Manuel De L'utilisateur page 34

Additionally you can power off your Energy™ F3510 digital photo frame
without unplugging any cable, just hold the MODE button for a few
seconds. To turn the unit on again, press again the MODE button for a few
seconds. After the power up, the memory card will be searched again for
pictures, should it be present.
Note: Built-in memory does not show any file count.
At the end of the card scan the main menu will appear in the photo frame
screen, which consists in two options: PHOTO and SETUP.
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