From the Home screen, press Tools on the remote commander.  Then select Setup.  Then use the arrow buttons on the remote control to move the cursor/highlight up to the Home button in the upper left hand corner.  Then press 72 on the remote commander.  This will open the Command Menu for advanced control of the PCS-XG80 or PCS-XG55.  CAUTION: some commands in this menu will completely erase the system settings.  If you are not sure, contact the Spire Global HelpDesk or your Sony Video Conferencing representative before activating a command on this menu.