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JVC DT-V1710CG Instrucciones página 24

Monitor multiformato
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HOW TO USE EXTERNAL
CONTROL
HOW TO USE THE RS-485 TERMINAL
You can control the monitor from the controller (exclusive for this monitor) or your PC via the RS-485 terminal. For details on
operating the monitor from the PC, consult the service center.
1. Cable
Prepare a straight cable with a D-sub connector (9-pin, male) and a D-sub
connector (9-pin, male)
2. Communications Specifications
Baud Rate
Data Bits
Parity
Stop Bits
Communication Cord : ASCII Cord
3. Commands
Format
Header ID Command ID Command Content Data CR
Header
!
Control from the PC to the monitor
?
Reference from the PC to the monitor
@
Answer from the monitor to the PC
ID + Command + Data
B
Basic command
D
Command for adjusting the picture size
S
Command for adjusting the picture quality
M
Command for selecting the menu item
F
Command for selecting the menu item
W
Command for adjusting the white balance
C
Command for inquiring for the monitor's status
Communication Procedures
The following is the communication procedures.
1. Starting the communication
Receives the connection command (!XXBCN1Cr) from the PC [ Sends the monitor's status (@XXBOKCr) to the PC
2. Performing the external control
Receives the control command (!XXXXCr) from the PC [ Sends the monitor's status (@XXBOKCr) to the PC
* The monitor repeats these receiving and sending if necessary.
3. Terminating the communication
Receives the termination command (!XXBCN0Cr) [ Sends the monitor's status (@XXBOKCr) to the PC
* Hand-shake communication is used. This means that after sending a command to the monitor, the PC must receive a status
return from the monitor before sending the next command.
* When the monitor is controlled by a PC via RS-485, a conversion adapter (RS-232Cp [RS-485) is also required.
24
(cont'd)
: 4800/9600/19200 (factory pre-set; 4800)
: 8 bits
: No parity
: 1
Pin No.
1
controller exclusively
2
3
4
5
6
7
8
9
* The 5V power supply of the 1st terminal is for the controller
exclusively for this monitor. Do not use it for other devices.
Characters
00, 01 or No data
00 ~ 08
U, D (U: UP, D: DOWN)
00 ~ 05
U, D (U: UP, D: DOWN)
00 ~ 0E
00, 01, 10, 11
00 ~ 10
00, 01, 02, 03, 04, 05
00 ~ 05
U, D (U: UP, D: DOWN)
00
0 ~ 655
5
9
4
8
3
7
2
6
1
IN terminal
OUT terminal
signal
signal
5V Power (for
NC
for this monitor)
+
TD
TD
+
RD
RD
NC
NC
NC
NC
NC
NC
TD–
TD–
RD–
RD–
NC
NC
+
+

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Dt-v1910cgDt-v1710cg/uDt-v1710cg/e