Fisher PDG-DXT10KL User Manual page 94

Select from the following:
Off
5 minutes
10 minutes
20 minutes
30 minutes
Screen trigger
Set Screen trigger to On to enable the projector to automatically lower the projection screen when powering on. When
powering off, Screen trigger stops sending a low voltage trigger to the screen controller and the screen goes up.
Fan control
Fan control is used to set the speed of the internal cooling fan. Set Fan Speed to Max in altitudes over 1500 meters (5000
feet).
The Fan control option default is Normal, which enables the projector to automatically detect fan requirements. For higher
temperature locations or prolonged use, the Max option is available to provide greater cooling capacity.
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5. Using On-Screen Display