Saphe One

If you press one of the buttons and it glows green, the device is turned off. Hold down the red button until the light goes out to turn it on.

Saphe One+

If you press one of the buttons and it does not light, the device is off. Hold down the red button until the light flashes green to turn it on.

Saphe MC 

If you press the button and it glows green, the device is turned off. Hold down the button until the light goes out to turn it on.

Saphe Drive 

If there is no image on the screen, press and hold the center button for 3 seconds until the screen blinks.