Sony PCS-1 Operating Instructions Manual page 165

Message
The terminal has dropped out of
the conference.
Viewing the terminal. [Terminal
name]
Now upgrading. Wait for a while.
Be sure not to turn off your system
while upgrading.
Cascade connection is complete.
Cascade connection has been
made. Split mode is not available.
Meaning
The displayed terminal ends the multipoint videoconference.
The picture of the displayed terminal can be seen on the
screen.
The software is now upgrading. Be sure not to turn off the
Communication Terminal until the upgrading is complete.
Doing so may cause malfunction of the system.
Cascade connection with the terminals has been completed.
Cascade connection with the terminals has been made. You
cannot display split windows.
On Screen Messages
165