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No Input Signal when user
controls pressed
No picture, the LED light is green. When
press "+", "-" or "Menu" key, the message
" No input signal " will appear.
l Check the signal source Make sure the Computer is
not in power saving by moving mouse or pressing
any key on the keyboard.
l Check whether the signal cable is plugged in and
seatedproperly.Re-plug the signal cable if
necessary.
l Re-boot the computer or video player.
OSD Lock
All buttons are locked except the "menu"
button. No user adjustments are allowed.
l Press the "menu" button for over 15 seconds to
unlock the OSD menu.