Dell M110 Projector - Manual (Page 37)

seconds. You can also invoke the test pattern 2 by pressing and
holding down and
simultaneously for 2 seconds.
buttons on the control panel
Test Pattern 1:
Test Pattern 2:
F ACTORY R ESET —Select and press to reset all settings to its factory
default. The below warning message appears:
Reset items include both computer sources and Video source
settings.
Using Your Projector 37