Manual

You can enable or disable the Test Pattern by selecting Off, 1 or 2. You can also
invoke the Test Pattern 1 by pressing and holding down and buttons on the
control panel simultaneously for 2 seconds. You can also invoke the test pattern 2
by pressing and holding down and buttons on the control panel
simultaneously for 2 seconds.
Test Pattern 1:
Test Pattern 2:
FACTORY RESETSelect and press to reset all settings to its factory default, the
warning message below appears.
Reset items include both computer sources and video source settings.
Using Your Projector 41