IBM iL2215 User Manual page 33

Standby time
Use this option to select how long the lamp stays on and the blank screen is
displayed when the projector enters standby mode before the projector turns
off. Select among instant, 1, 5, 10, 15, and 30 minutes, and 1 and 2 hours by
clicking the left or right navigation button and cycling through the options.
Rear projection
When you turn Rear Projection on, the projector reverses the image so that
you can project from behind a translucent screen. Highlight Rear Projection,
and then click the left or right navigation button to turn this feature on and
off.
Default source
Use the Default source option to select among Computer analog, Computer
digital, and Video. This determines which source the projector checks first for
active video during power-on. Highlight Default source, and click the left or
right navigation button to select among the options.
Auto source select
Use this setting to select between On and Off. When this feature is off, the
projector defaults to the source that is selected in Default source. To display
another source, you must manually select one by pressing the source button
on the keypad or the computer or video button on the remote control. When
this feature is on, the projector automatically finds the active source, checking
the default source first. Highlight Auto source select and click the left or right
navigation button to turn this feature on and off.
Plug and Play
Use this setting to select between On and Off. When it is on, most new
computers will automatically recognize the projector and then set the monitor
resolution and refresh rate accordingly. You need to set the Plug and Play
setting to Off for the projector to properly display images from some older
computers. The Plug and Play setting does not affect video images.
If the projector display constantly changes between the computer image and
the message, "Perfecting the image," you might need to turn Plug and Play
off.
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Installation and user's guide