18STACK menu settings3M™ Digital Projector X56© 3M 2011. All Rights Reserved.NOTE • After setting Main or Sub, the settinginformation can be checked on Web Control.(Network Guide → Web Control) SelectProjector Status in the main menu of WebControl. The Stack Mode item shows whetheryour projector is set to MAIN or SUB even ifSTACK MODE is set to OFF.3. Press the ◄ button to return to the previous menu, or press the ► button tocomplete the setting. (23)3.2 Selecting Main, Sub or offTo enable Intellectual Stack, select either MAIN or SUB. Intellectual Stack startswhen one projector is set to MAIN and the other is set to SUB in the STACKMODE dialog. To disable Intellectual Stack, select OFF.1. Highlight STACK MODE in the STACK menu withthe ▲/▼ buttons, then press the ► button todisplay the STACK MODE dialog.2. Use the ▲/▼ buttons in the dialog to highlight MAIN, SUB or OFF.OFF: Disables Intellectual Stack.MAIN: Sets the projector to Main that functions as a control tower.SUB: Sets the projector to Sub that functions as a follower.