InFocus ScreenPlay 777 Installer's Manual page 18

Service: to use these features, highlight them and press Select.
Factory Reset: restores all settings (except Lamp Hours) to their default
after displaying a confirmation dialog box.
Service menu
Lamp Reset: resets the lamp hour counter in the About menu to zero. Do
this only after changing the lamp. It displays a confirmation dialog box.
Test Pattern: displays a test pattern when the Blank button on the remote is
pressed. To select the patterns, use the up/down arrows on the remote.
Press the remote's Blank button to exit test pattern mode.
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 pattern.
ADC Calibration: allows adjustment of the calibrated ADC values so that
color accuracy can be optimized. Adjust the slidebars for each value and
ADC calibration
note the change in the appropriate color. Use a component input when
adjusting the Component controls.
Service Code: only used by authorized service personnel.
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