LG Electronics 42LS75A 49LS75A 55LS75A Computer Monitor User Manual


 
57
TO CONTROL MULTIPLE PRODUCTS
ENGLISH
TO CONTROL MULTIPLE PRODUCTS
Use this method to connect several products to a single PC. You can control several products at a time
by connecting them to a single PC.
In the Option menu, the Set ID must be between 1 and 1000 without being duplicated.
Connecting the cable
Connect the RS-232C cable as shown in the picture.
The RS-232C protocol is used for communication between the PC and product. You can turn the
product on or off, select an input source or adjust the OSD menu from your PC.
Communication Parameter
Baud Rate: 9600 BPS
Data Length: 8 bit
Parity Bit: None
Stop Bit: 1 bit
Flow Control: None
Communication Code: ASCII code
Use a crossed (reverse) cable
RS-232C Configurations
8-Wire Configurations (Standard RS-232C cable)
When using three-wire connections (non-
standard), an IR daisy chain cannot be
used.
DCD
RXD
TXD
GND
DTR
DSR
RTS
CTS
DCD
TXD
RXD
GND
DSR
DTR
CTS
RTS
PC Set
1
2
3
5
4
6
7
8
1
3
2
5
6
4
8
7
D-Sub 9 D-Sub 9
(Female) (Female)
Monitor 1 Monitor 2 Monitor 3 Monitor 4
PC
RS-232C Cable (sold separately)
NOTE
When monitors connected via Daisy Chain
(that controls multiple monitors) are turned
off and on successively, some monitors may
not turn on. In this case, you can turn those
monitors on by pressing the MONITOR ON
button, not the POWER button.
NOTE
ID
BACK
TILE
ON
OFF
EXIT
MONITOR ON
(POWER)