VIEWSONIC CD4200 - Manual (Page 50)

ViewSonic CD4200 43
ENGLISH
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.