g
To resolve your unstable or flickering image
1. Adjust the
Tracking
setting in the on-screen display. See
2. Optionally, reset the projector as described in
on page 47 to adjust the
tracking to its original value.
I
I M P O R T A N T
This action resets all values to their defaults.
Your image has a vertical flickering bar
If the projector displays a vertical flickering bar, you could have different frequency settings on your
input source.
I
I M P O R T A N T
Write down your setting values before adjusting any of the settings in the following procedure.
g
To resolve the vertical flickering bar issue
1. Adjust the
Frequency
setting in the on-screen display. See
12.
2. Check the display mode of your computer’s graphics card. Make sure it matches one of the
projector’s compatible signal formats (see
on page 21). Refer to your
computer’s manual for more information.
3. Configure the display mode of your computer’s graphics card to make it compatible with the
projector. Refer to your computer’s manual for more information.
4. Optionally, reset the projector as described in
on page 47 to adjust your
frequency to its original value.
I
I M P O R T A N T
This action resets all values to their defaults.
C H A P T E R 6
Troubleshooting your interactive whiteboard system
45
Summary of Contents for SMART Board 400iv
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