InFocus IN72 User Manual page 37

Service: To use these features, highlight them and press Select.
Factory Reset: restores all settings to their default.
Reset Lamp hours: resets the lamp hours used counter in the Service
Info menu to zero. Do this only after changing the lamp.
Test Pattern: displays a test pattern. To display test patterns, first you
must assign Blank Screen to the Custom key (page 27), then click the
Test pattern check box in the Service menu to turn the option on, exit
the menus, then press the Custom button on the remote. To select the
patterns, use the up/down arrows on the remote or keypad. To exit the
test patterns, press the Custom button.
Blue Only: turns off the Red and Green portions of the input, allowing
you to properly adjust the color balance with a SMPTE color bar pat-
tern.
HDMI DDC: turns off the EDID extension. Some graphic cards cannot
recognize the projector's EDID. Uncheck this box if you have trouble
using HDMI or DVI sources.
Service Info: provides information about the projector's software,
serial number, and lamp.
Service Code: only used by authorized service personnel.
Source Info: provides information about the active source.
Source Info menu
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Service menu
Service Info