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ViewSonic 44 VT2645 / VT3245 / VT3745
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Contact ViewSonic service team at: http://www.ViewSonic.com or call our service team: United States 1-800-688-6688, Canada 1-866-463-4775
Problem Possible Solution
No sound
• Check your audio connections are properly
connected referring to the user guide.
• The MUTE button may have been pressed, try
pressing this button again.
• Check your audio settings, your TV audio
may be set to minimum.
• Press the Volume + (Up) button on the remote
control.
Remote control unit does not operate
• Make sure the directions of batteries are
inserted correctly referring to the user guide.
• Batteries could be weak or dead. Replace with
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.
Picture is cut off/with sidebar screen
• 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.
Power is cut off suddenly
• 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.
No CATV reception (or no reception
above CH13)
• 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.