Viewsonic VS12277-1G 用户手册

 

• External influences such as lightning or static electricity may cause 

improper operation. In this case, operate the unit after first turning on
the power of the LCD TV and the AVC System, or unplug the AC cord
for 1 to 2 minutes, then re-plug again.

 

 

• Is the sleep timer set in advance?

 

• Is there no signal in PC mode or HDMI mode?

 

• The internal temperature of the unit has increased. Remove any object

blocking the vent or clean as necessary.

 

 

 

• CATV is connected improperly or not connected; please check all the

CATV connections.

 

• The cable TV service is interrupted; please contact your cable operator

 

• Is the image positioned correctly?

 

• Are screen mode adjustments such as picture size set correctly?

 

• Press WIDE button repeatedly on the remote control to see if you can 

get the picture you prefer.

 

ViewSonic                                              N3290w/N4290p/N4790p 

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