Dukane 28A7100HC User Manual page 36

Language: allows you to select a language for the onscreen display.
Service: To use these features, highlight them and press Select.
Factory Reset: restores all settings to their default.
Lamp Reset: resets the lamp hours used counter in the About menu to
zero. Do this only after changing the lamp.
Service Code: only used by authorized service personnel.
About: provides information about the projector and the active source.
Showing the About box is the default action assigned to the Effect button.
Language menu
Service menu
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About menu