C H A P T E R 5
Troubleshooting your interactive whiteboard system
36
To resolve a partial, scrolling or incorrectly displayed image on your Windows computer
1. Select
Start > Control Panel
.
2. Click
Display
and then select
Adjust resolution
.
3. Verify that your display resolution setting is 1024 × 768 (SMART UF70 projector), 1280 ×
800 (SMART UF70w projector in 16:10 aspect ratio mode) or 1280 × 720 (SMART UF70w
projector in 16:9 aspect ratio mode).
4. Click
Advanced settings
and then click the
Monitor
tab.
5. Verify that the screen refresh rate is 60 Hz.
To resolve a partial, scrolling or incorrectly displayed image on your Mac computer
1. Select
Apple Menu > System Preferences
.
The
System Preferences
dialogue box appears.
2. Click
Displays
.
3. Verify that your display resolution setting is 1280 × 800 (WXGA).
4. Verify that the screen refresh rate is 60 Hz.
Unstable or flickering image
If the projector’s image is unstable or flickering, the frequency or tracking settings on your input
source could be different from the settings on your projector.
I M P O R T A N T
Write down your setting values before adjusting any of the settings in the following procedure.
To resolve your unstable or flickering image
1. 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 73). Refer to your
computer’s manual for more information.
2. 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.
3. Adjust the frequency, tracking, H-position and V-position settings in the on-screen menu.
See
4. Optionally, reset the projector as described in
on page 40 to adjust
the frequency and tracking to their original values.
I M P O R T A N T
This action resets all values to their defaults.
