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If you need any further advice, please call our Technical Helpline on :-
020 8758 0338 (Mon-Fri)
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Backlight
The Backlight illuminates the clock display, making it easy to view in
a dark environment.
1. Press and hold the Light/Off button on the top of the clock to turn
on the Green backlight. The light will go off once the button is
released.
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