Sony VPH-G90E Installation Manual page 26

Location and Function of the Rear Panel
!¢ DEVICE INDEX. switches
When multiple projectors are connected, set the device
index number of each projector.
To display the device index number on the screen,
press the NORMAL key, and the ENTER key on the
remote commander .
Note
Do not set the device index number to "00." If you
do, the projector will not operate with the remote
commander.
You can operate the projector with the keys on the
control panel of the projector but the connected
equipment cannot be operated with the keys on the
control panel.
!∞ RS-232C/RS-422A selector
Selects the function of the RS-232C/RS-422A
connector.
!§ RS-232C/422A REMOTE connector (D-sub 9-
pin)
Used to expand the system connections using the RS-
232C/422A interface.
!¶ PJ COM (projector communication) IN/OUT
connectors (D-sub 9-pin)
These are the connectors conforming to the RS-485
standards, especially designed to expand the system
using Sony projectors.
Use these connectors to connect the PJ COM system of
the PC-3000 Signal Interface Switcher, or to activate
the linked picture orbiting function.
When the cable is connected to the IN connector only,
attach the supplied terminator to the OUT connector.
To connect multiple projectors, connect the IN
connector to the OUT connector of another projector
in cascade, and attach the supplied terminator to the
OUT connector of the last projector.
For details on the specifications of the connector, refer to
the Protocol Manual prepared by Sony.
26
(GB) Connections
About the keys on the control panel
The control panel is located inside the cover on the top
of the projector. The locations and functions of the
keys on the control panel are the same as those on the
remote commander.
For the keys on the remote commander, see page 46
The keys on the control panel are basically effective
for this projector only. Only the commands from the
SYS SET key and the switcher select commands are
transmitted to the connected equipment via the PJ
COM connector.
Note
If you set the device index number to "00," the
commands from the SYS SET key and the switcher
select commands will not be transmitted to the other
equipment. Do not set the device index number to
"00."
.
(GB)