Self-Diagnosis; Troubleshooting - Interlogix TruVision TVM-2202 User Manual

3. Signal Source
Selects VGA or HDMI signals.
4. Aspect Ratio
Selects the aspect ratio
(16:9/AUTO/4:3).
5. DCR
The dynamic contrast ratio (DCR)
automatically adjusts the screen
brightness.
Turns DCC on or off.
Reset
Restore to factory settings.

Self-diagnosis

If there is no image, the Self-Diagnosis screen
appears. The self-diagnosis function checks if
the status of the monitor screen is No Signal,
Out of Range, or None Supported.
The No Signal screen appears when the D-
Sub signal connector is connected but the
status of the monitor is on DPMS mode.
14
The Out of Range screen appears when the
applied frequency is under or over normal
range.
Normal range (non-interlaced mode only):
H: 30 to 80 kHz
V: 56 to 77 Hz
Press any key to cancel.
The monitor is turned off when it does not
receive any signal from the remote control or
any button within the time selected under
Time Setting.

Troubleshooting

Issue Solution
Picture is Adjust
jittery screen position and
adjust the Clock value
carefully until there is no
noise displayed.
No picture Check if the power
switch and computer
power switch are in the
On position.
Check if the signal cable
is correctly connected to
the video card.
Check if the pins of D
sub-connector are not
bent.
Check if the computer is
in the power- saving
mode.
POWER LED Check if the power
is not lit switch is in the On
position.
Check if the power cord
is correctly connected.
TruVision Monitor User Manual
Clock to set the