ViewSonic N4290p N4290p User Guide, English. G Region - Page 27

ENGLISH 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. No power No TV picture * Make sure turn on AC power switch. *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 again. *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 Poor picture Snowy picture and noise Horizontal dotted line Television not responding to remote control *Adjust the contrast, color Î(Saturation) and brightness settings. *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. *Check the antenna connection and TV signal level. *This may be caused by electrical interference (e.g. hairdryer, nearby neon lights, etc.) *Turn off or move away the equipment. *Check whether the batteries are working. Replace 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 25 N3290w/N4290p/N4790p