ViewSonic Pro8300 User Manual page 35

Filter Hours Reset
Reset the filter Hour to 0 hours.
Equivalent Lamp Hours
Display the lamp's elapsed operating time (in hours).
Equivalent Lamp Hours Reset
Reset the lamp Hour to 0 hours.
Factory Default
Restore settings to factory default.
The following settings will still remain: Language, Projection, High Altitude, Filter
Mode, Password, Lamp Hours, Filter Hours, Auto Keystone, Keystone.
Language
Select the language used by the on-screen menu.
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