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モニター Dell UltraScan P780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。Dell UltraScan P780 42 ページ。 Dell monitor
Dell UltraScan P780 にも：カスタマーサービス (2 ページ)

The monitor's version information and serial number can be displayed by pressing and

holding the

SIGNAL or OUT OF SCAN RANGE or it's in the power saving mode.

This indicates that the monitor is in power saving mode.

LED Indicators

RESET key for more than 2 seconds, while it's displaying NO INPUT

VESA

's Mode

Stand-by

Suspend

Active-OFF*

Other Mode

Defective Monitor

LED color

Green

Green and Orange

Alternate

Green and Orange

Alternate

Orange

LED color

Flashing Orange