28JF-73H (serv.man24) - Sharp TV User Guide / Operation Manual. Page 10

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■ Main power

This TV memorizes the Mode last used when it was switched off. When the
main power button (®) is pressed to turn on the set, the Power indicator
will light and the set will resume in either the Stand-by mode or Programme
mode, depending upon its condition when it was switched off.

■ Stand-by button

When the TV is in Stand-by mode, to turn on the TV press the Stand-by
button (

TV) on the remote control, or one of the four buttons on the TV

(V

/\, VCH/\). The TV will change from Stand-by mode to Program

mode, the Power indicator will turn green from red and an image will
appear on the screen. Press the Stand-by button  (

TV) again and the

TV will return to Stand-by mode.

■ Blue background off timer

If weak signal conditions in TV or VCR mode, the screen will turn blue. 
The blue background off-timer is then engaged, unless a good signal is
received, the set will automatically switch to Stand-by mode after 
15 minutes.

Power indicator

Main power button