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4. Optionally, reset the projector as described in Resetting the projector on page 55 to adjust the
frequency and tracking to their original values.
I I MPORTA NT
This action resets all values to their defaults.
Frozen image
If your projector has a frozen image, perform the following procedure.
g To resolve a frozen image
1. Ensure that the Hide Display feature is off.
2. Press the Hide button on the projector’s remote control to hide or show the display.
3. Ensure that your source device, such as your DVD player or computer, isn’t malfunctioning.
4. Put the projector into Standby mode, and then wait 30minutes for it to cool down.
5. Disconnect the power cable from the power outlet, and then wait at least 60 seconds.
6. Connect the power cable, and then turn on the projector.
7. If the previous steps don’t resolve the issue, contact your authorized SMART reseller.
Your image doesn’t fit the interactive whiteboard
If you’re using a SMARTUF75w projector with a wide screen interactive whiteboard, verify that
you’re using the correct aspect ratio mode for the interactive whiteboard:
Interactive whiteboard Aspect ratio mode
SMARTBoard 685 interactive whiteboard 16:10
SMARTBoard 690 interactive whiteboard 16:9
You can set the aspect ratio mode using the Native DLP Resolution setting in the Projector Functions
menu (see Adjusting projector settings on page 14).
The image from your connected laptop computer isn’t projected
Laptop computer settings can interfere with projector operations.
Some laptop computers deactivate their screens when you connect a secondary display device.
Refer to your computer’s manual for details on reactivating the computer's display screen.
Unaligned projected image
Alignment errors occur when the projected image isn’t perpendicular to the screen. Alignment errors
can occur when you mount your interactive whiteboard system on an uneven surface or awall that
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Troubleshootingyour interactivewhiteboardsystem
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