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:
vClean the lens
vReplace the projection lamp
vReplace the batteries in the remote
vUse the security lock feature
vTroubleshoot the projector
Cleaning the lens
Follow these steps to clean the projection lens:
1.Apply a
