How To Use External Control - JVC GM-H40L1G Instructions Manual

How to Use External Control

7 About the external control
This monitor has two external control terminals as follows:
• RS-232C terminal: For operation using this terminal, consult your dealer.
• RS-485 terminals: You can select the external control system in "REMOTE SYSTEM" on the set-up menu (see "CNT. RJ45
OUT" and "CNT. RJ45 IN" on page 25).
(1) Serial communication:
(2) IR OUT system:
(3) MAKE (make contact system): Controls the function by short-circuiting the corresponding pin terminal to the GND pin
(4) TRIG. (trigger system):
Set the input/output terminals correctly according to the system you use (see "REMOTE SYSTEM" on page 25).
Control system
RS-232C
Serial communication
IR OUT system
MAKE system
TRIG. system
* For the monitor connected to the external control equipment, set "REMOTE IN SEL." according to the actual connection. Set other monitors by
following the setting of the serial communication with "REMOTE IN SEL." set to "RJ-45" in the table above.
NOTE
• Control priority is as follows:
MAKE or TRIG. (trigger) system > RS-485 system > Buttons on the remote control or the main unit
• While the Control Lock is in use, you can use external control.
<Serial communication>
Several monitors can be controlled by connecting their RS-485 IN and OUT terminals. See also page 32.
Personal computer
or a dedicated
controller
RS-485 IN or
RS-232C
<IR OUT system>
Control signals from the remote control are sent to external equipment via the RS-485 OUT terminal.
Remote control (supplied)
<MAKE/TRIG. system>
You can control the monitor by a personal computer or a dedicated controller*. See also page 33.
* External control unit is not commercially available. Consult your dealer if you need a dedicated controller.
Controls the monitor by a personal computer or a dedicated controller (see page 32).
Controls other equipment by using the remote control supplied with this monitor.
terminal, or disconnecting (opening) it (see page 33).
Controls the function by inputting the pulse signal instantaneously to the corresponding
pin terminal (see page 33).
"REMOTE IN SEL." setting
D-sub9
RJ-45*
D-sub9*
Any
RJ-45
RJ-45
RS-485 RS-485 IN
OUT
Karaoke
component, etc.
RS-485 OUT
"CNT. RJ45 OUT" setting
RS485
RS485
RS485
IR OUT
RS485
RS485
RS-485 OUT RS-485 IN
"CNT. RJ45 IN" setting
Any
RS485
Any
Any
MAKE
TRIG.
RS-485 OUT
31