MULTIMEDIA PROJECTOR WUX450, WX520, WUX400ST, WX450ST User's Manual

Using the Projector in Meeting Mode
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5 A window for creating the session is displayed. Specify a session name,
password, nickname, and desktop (primary or secondary monitor for
projection), and then click [OK].
6 The Meeting Mode window is displayed. Select a projector to control from
the pull-down list.
If you choose to set a session password, other users must enter that password to join
the session. To set a password, click [Set] and enter the password.
Desktop selection is only available with computers that have dual monitor support.