The picture is not sharp.

The signal source may be weak.

The provider may be experiencing difficulties.

Check input connections.

Check the Sharpness of Picture Settings.

The picture moves.

The source signal may be weak.

The provider may be experiencing difficulties.

Check input connections.

The picture is doubled or tripled.

The source signal may be weak.

Check input connections.

The picture is spotted.

There may be interference from other appliances nearby or around the LCD.

ENGLISH

ViewSonic CD4200

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ViewSonic CD4200 manual Picture is not sharp, Picture moves, Picture is doubled or tripled, Picture is spotted