Partial, scrolling or incorrectly displayed image
N
N O T E S
l
The following procedure applies to Windows XP operating systems on desktop computers
only.
l
This procedure may vary depending on your version of Windows operating system and your
system preferences.
g
To resolve a partial, scrolling or incorrectly displayed image
1. Select
Start > Control Panel
.
2. Double-click
Display
.
The
Display Properties
window appears.
3. Click the
Settings
tab.
4. Verify that your display resolution setting is WXGA (1280 × 800).
5. Click
Advanced
, and then click the
Monitor
tab.
6. Verify that the screen refresh rate is 60 Hz.
Unstable or flickering image
If the projector’s image is unstable or flickering, you could have different frequency or tracking
settings on your input source than on your projector.
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 your unstable or flickering image
1. Adjust the
Frequency
,
Tracking
,
H-position
and
V-position
settings in the on-screen menu.
See
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 27). 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.
C H A P T E R 6
Troubleshooting your interactive whiteboard system
47
