DiamondDigital DiamondDigital DV420, User Manual

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Troubleshooting
No sound
See video but no
audio
●
Check if the LCD Monitor TV volume is turn
off of muted.
●
Connect the audio cable securely.
●
Audio cable is connected incorrectly.
●
Verify that the audio source is selected
correctly in the OSD.
Remote Control Problems
Remote control does
not work properly
No response from
the LCD Monitor
TV when remote
is pressed
●
Point the remote control directly at the remote
sensor on the LCD Monitor TV.
●
Replace both batteries with new ones.
●
Make sure the remote control is not disabled
(for disable/enable the remote control, please
refer to the section of Remote Control ).
Product Specific Problems
Screen image is too
small
Image is centered
on screen, but
does not fill entire
viewing area
●
Perform the LCD Monitor TV factory reset (via
Menu -> Factory Reset -> All Settings).
Cannot adjust the
LCD Monitor TV with
the buttons at the
side of the unit
OSD does not
appear on the
screen
●
Turn the LCD Monitor TV off and unplug the
power cord and then plug back and power on.
OSD Warning Messages
A warning message may appear on the screen indicating the LCD Monitor TV current status.