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Horizontal refresh rate
This shows the time period that one horizontal line is displayed.
Vertical refresh rate
The time period that one video frame is displayed.
Mute status
This shows whether the audio is muted.
Source
This indicates the active source, (Computer analog, Computer digital, or
Video).
Software version
This indicates the projector software version. This information is useful when
you need to call an IBM technical support representative.
Startup screen version
This indicates the projector startup screen version. This information is useful
when you need to call an IBM technical support representative.
Boot version
This indicates the projector startup software version. This information is useful
when you need to call an IBM technical support representative.
Maintenance and troubleshooting
This section describes how to:
v Clean the lens
v Replace the projection lamp
v Replace the batteries in the remote
v Use the security lock feature
v Troubleshoot the projector
Cleaning the lens
Follow these steps to clean the projection lens:
1. Apply a non-abrasive camera lens cleaner to a soft, dry cloth.
v Avoid using an excessive amount of cleaner.
Installation and user’s guide 1-25