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To dim the display, tap the middle circle and the left minus button at the same time...to brighten the display, tap the middle circle and the plus button on the right
Sorry, there was a problem. Please try again later.Press and hold the o and - or + to increase or decrease brightness.
Sorry, there was a problem. Please try again later.Press and hold the O(circle) and - (minus) button to make it darker. The O (circle) and + (plus) to brighten.
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