Viewsonic CD4200 User Manual

Page of 149
 
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.