ViewSonic NX1940w User Manual page 29

Remote control unit
does not operate
Unit cannot be
operated
Power is cut off
suddenly
No CATV reception
(or no reception
above CH13)
Picture is cut
off/with sidebar
screen
Horizontal dotted
line
Television not
responding to
remote control
ViewSonic
• Make sure the directions of batteries are inserted correctly
referring to the user guide.
• Batteries could be weak or dead. Replace by new batteries.
• Is a fluorescent light illuminated near the remote control sensor?
• The path of the remote control beam may be blocked. Make sure
the path is clear and that the remote control is aimed at the remote
control sensor on the TV.
• Press the POWER button on the remote control to see if you can
turn on the TV.
• Press MENU button on the remote control to see if there is a
MENU shown on the screen.
• Press only one button at a time and it is the correct one for the
operation you want to perform.
• 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 replug 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
objects blocking the vent or clean as necessary.
• Is the AIR/CABLE option set correctly? Please set the
AIR/CABLE option to CABLE referring to the user guide.
• 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
*This may be caused by electrical interference (e.g. hairdryer,
nearby neon lights, etc.)
*Turn off 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.
*Remove plug from mains for 5 seconds then replug to power on
again.
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NX1940w/NX2240w