Freedom Scientific RUBY HD Plus, Руководство пользователя

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
Press the Magnification buttons ( or ) to increase or decrease
magnification. For live images, press and HOLD a Magnification button
for continuous zoom magnification. For frozen or saved images, press a
magnification button to zoom in or out one step at a time.
LED lights produce glare against a reflective surface.

Press and HOLD the Power button , and then press the Freeze
Frame button
to turn off the LED lights.
The unit powers off after reading for 30 minutes.

This is expected behavior. The unit powers off after 30 minutes if no
buttons are pressed. This extends battery life.