Troubleshooting

Please make these simple checks before calling service. These tips may save you time and money since charges for receiver installation and adjustments of customer controls are not covered under your warranty.

	Symptoms	Items to Check and Actions to follow

	“Ghost ” or double image	*This may be caused by obstruction to the antenna
		due to high rise buildings or hills. Using a highly
		directional antenna may improve the picture.

ENGLISH	No power	* Make sure turn on AC power switch.
ENGLISH		*Check that the TV’s AC power cord is plugged into
		*Check that the TV’s AC power cord is plugged into
		the mains socket.
		*Unplug the TV, wait for 60 seconds. Then re-insert
		plug into the mains socket and turn on the TV
		plug into the mains socket and turn on the TV
		again.
	No TV picture	*Check antenna connections at the rear of the TV
		to see if it is properly connected to the TV.
		*Possible broadcast station trouble. Try another
		channel.
		*Adjust the contrast and brightness settings.
		*Check the Closed Captions control. Some TEXT
		modes could block the screen.

	Good picture but no sound	*Increase the VOLUME.
		*Check that the TV is not muted; press the button
		on the remote control.

	Good sound but poor color	*Adjust the contrast, color (Saturation) and
		brightness settings.
	Poor picture	*Sometimes, poor picture quality occurs when
		having activated an S-VHS camera or camcorder
		connected and having connected another
		peripheral at the same time. In this case switch off
		one of the other peripherals.
	Snowy picture and noise	*Check the antenna connection and TV signal
		level.
	Horizontal dotted line	*This may be caused by electrical interference (e.g.
		hairdryer, nearby neon lights, etc.)
		*Turn off or move away the equipment.

	Television not responding to	*Check whether the batteries are working. Replace
	remote control	if necessary
		*Clean the remote control sensor lens on the TV.
		*You can still use the buttons at the front of your
		TV.
		*Select the TV mode to be sure your remote control
		is in the TV mode.

ViewSonic

N3290w/N4290p/N4790p

VS12279-1G, VS12277-1G, VS12278-1G specifications

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