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液晶テレビ Acer AT2056のPDF ユーザーマニュアルをオンラインで閲覧またはダウンロードできます。Acer AT2056 44 ページ。 Lcd tv

Blue Mute

Press the Menu key from the remote control hand set, to invoke

the OSD (On Screen Display).

If Blue Mute is selected as being 'On', a blue screen will be

displayed if the TV is unable to detect a signal. If Blue Mute Off

is selected, a black screen will be displayed when no signal is

detected.

Press MENU to exit.

Using the directional

keys, navigate to and

select

Advance from

the OSD. Navigate to

Blue Mute to adjust this

setting.