Seiko Group POWERLITE 7500 UB 用户手册
Setting Up the Projector
21
Making Other Connections
Connect the power cable and other cables described below, depending on how you plan to
use the projector.
use the projector.
■
Plug the power cable into the projector and a grounded electrical outlet.
■
The
Trigger out
port outputs a 12-volt DC signal
when the projector is turned on. This lets a central
control system monitor whether the projector is on
or off, and can be used to raise or lower your
projection screen automatically when the projector
is in use.
control system monitor whether the projector is on
or off, and can be used to raise or lower your
projection screen automatically when the projector
is in use.
Connect a 3.5-mm mini jack to the port, as shown.
To enable the port, turn on the
To enable the port, turn on the
Trigger Out
setting (see page 47).
■
To use an AV controller with the projector, connect a 9-pin null modem serial cable to
the
the
RS-232C
port. Refer to the table of ESC/VP21 command codes on page 69.