Sony IPELA PCS-XL55 Operating Instructions Manual page 143

To change the display pattern of the presentation when the H.239 function
is disabled
Select the display pattern for the presentation with "Presentation Screen" on
the Basic Setup page of the Video setup menu (page 65) before starting a
presentation.
Full Screen: The computer picture to be transmitted from the local system is
displayed in full screen.
PandP: The computer picture to be transmitted from the local system and the
selected input picture (local camera picture, etc.) are displayed in PandP
mode.
Side by Side: The computer picture to be transmitted from the local system
and the selected input picture (local camera picture, etc.) are displayed in
Side by Side mode.
Note
If the remote system does not support H.239, you cannot transmit the input picture
(camera picture, etc.) and the computer picture as two streams, even if "H.239" is set
to "On" on your system.
To stop the presentation
Select "Stop" for "Presentation" in the Tools menu and press the ENTER
button on the Remote Commander. Transmission of the computer picture
stops.
You can also stop the presentation by pressing the PRESENTATION button
on the Remote Commander.
Using the Computer Picture for Presentation
143