23STACK menu settings3M™ Digital Projector X56© 3M 2011. All Rights Reserved.Before exiting menu operation for Intellectual Stack, it is recommended to checkall the settings in the STACK menu. For dialogs that are called from the STACKmenu, you can press the ◄ button to return to the STACK menu.Refer to the following to exit menu operation for Intellectual Stack.3.6 Exiting Intellectual Stack menuDialog from STACK menuWhen you press the ► button (functioning as EXITkey) after performing some changes to the set-tings, a confirmation dialog will appear.● Pressing the ► button (functioning as YESkey) in the dialog saves the setting and closesthe dialog. The screen becomes black while the setting is being applied.Please wait for a while.● Pressing the ◄ button (functioning as NO key) in the dialog closes the dialogwithout saving the setting.STACK menuWhen you press the ◄ button (functioningas RETURN key) after performing somechanges to the settings, a confirmation dialogwill appear.● Pressing the ► button (functioning as YESkey) in the dialog saves the setting andcloses the dialog. The screen becomes black while the setting is being applied.Please wait for a while.● Pressing the ◄ button (functioning as NO key) in the dialog returns you to theCOMMUNICATION menu without saving the setting. (Operator's Guide →OPTION menu → SERVICE)