835. Using On-Screen Menu Menu Descriptions & Functions [SETUP][GENERAL]Enabling Auto Keystone [AUTO KEYSTONE]This feature allows the projector to detect its tilt and correct vertical distortion automatically.To turn on the AUTO KEYSTONE feature, select [ON]. To adjust the KEYSTONE feature manually, select [OFF].NOTE: The [AUTO KEYSTONE] function is not available when an orientation type such as [CEILING REAR], [DESKTOP REAR],[CEILING FRONT] other than [DESKTOP/FRONT] is selected for [ORIENTATION].Correcting Vertical Keystone Distortion Manually [KEYSTONE]You can correct vertical distortion manually. (→ page 21)TIP: When this option is highlighted, pressing the ENTER button will display its slide bar for adjustment.Saving Vertical Keystone Correction [KEYSTONE SAVE]This option enables you to save your current keystone settings.OFF ������������������������ Does not save current keystone correction settings� It will return your keystone correction settings to“zero”�ON ������������������������� Saves current keystone correction settingsSaving your change once affects all sources. The changes are saved when the projector is turned off.NOTE: When [AUTO KEYSTONE] is set to [ON], [KEYSTONE SAVE] is not available. Next time you turn on the power, the AUTOKEYSTONE function will work and the data stored with [KEYSTONE SAVE] will be invalid.