Using the serial communication, External control, Cont.) – JVC DT-V17L3DY User Manual
Page 18: 7 using the serial communication
18
1 Starting the communication:
connection command (!00BCN1Cr)
3 Selecting “SDI 1” input (!00BINACr)
5 Terminating the communication: termination command
(!00BCN0Cr)
6 Monitor’s status (@00BOKCr)
4 Monitor’s status (@00BOKCr)
2 Monitor’s status (@00BOKCr)
PC, etc.
7 Using the serial communication
You can control the monitor from a personal computer etc. via the RS-485 or RS-232C terminal.
• Consult your dealer for the details of the external control specification.
Input terminal
Cable
Terminal
specification
Communication specifications
RS-485
A straight LAN cable
☞ See below
Baud Rate: 4800 bps
Data Bits: 8 bits
Parity: No parity
Stop Bits: 1 bit
Flow Control: No control
Communication Code: ASCII Code
RS-232C
A straight cable with a D-sub 9-pin
connector (male for the monitor,
female for the personal computer
etc.)
Pin No.
IN terminal signal OUT terminal signal
Pin No.
Signal
1
TXD +
TXD +
1
NC
2
TXD –
TXD –
2
RXD
3
RXD +
RXD +
3
TXD
4
NC
NC
4
NC
5
NC
NC
5
GND
6
RXD –
RXD –
6
NC
7
NC
NC
7
RTS
8
GND
GND
8
CTS
9
NC
• The 7th terminal and the 8th terminal are connected.
Header
Monitor ID
Command ID
Function
Data
Cr (0DH)
On Header
“!”: Operation commands from the personal computer, etc. For details, see
“?”: Reference commands from the personal computer, etc.
“@”: Status returns from the monitor
• To start communication, send the connection command from the personal computer etc.
• To terminate the communication, send the termination command from the personal computer etc.
This is a female terminal.
This is a female terminal.
Example of communication procedures
No.
Commands
Functions
Data
1
!
*
**
1
B
C
N
1
Cr
Starts communication (connection)
No data
2
!
*
**
1
B
C
N
0
Cr
Terminates communication
(termination)
No data
3
!
*
**
1
B
I
D
S
E
T
x
x*
2
Cr Assigns the control ID
01 – 99
4
!
*
**
1
B
I
D
R
E
T
Cr
Initializes the control ID
No data
5
!
*
**
1
B
I
D
D
S
P
x
x*
2
Cr Displays/hides the ID
00: Hide
01: Display
6
!
*
**
1
B
I
D
C
H
K
x
x*
2
Cr
Flashes/hides the selected ID No. of
the monitor
00: Hide
01: Display
7
!
*
**
1
B
M
E
N
U
Cr
Displays the MAIN MENU/Quits the
menu operation
No data
8
!
*
**
1
B
U
P
Cr
Moves the cursor upward ( )
No data
9
!
*
**
1
B
D
O
W
N
Cr
Moves the cursor downward ( )
No data
10
!
*
**
1
B
A
D
J
R
Cr
Makes setting/adjustment ( )
No data
11
!
*
**
1
B
A
D
J
L
Cr
Makes setting/adjustment ( )
No data
12
!
*
**
1
B
S
E
T
U
P
Cr
Displays the SET-UP MENU
No data
13
!
*
**
1
B
P
W
1
Cr
Turns on the monitor
No data
14
!
*
**
1
B
P
W
0
Cr
Turns off the monitor (on standby)
No data
15
!
*
**
1
B
I
N
A
Cr
Selects “SDI 1” input
No data
16
!
*
**
1
B
I
N
B
Cr
Selects “SDI 2” input
No data
17
!
*
**
1
B
I
N
C
Cr
Selects “DVI” input
No data
18
!
*
**
1
B
I
N
D
Cr
Selects “COMPO.” input
No data
19
!
*
**
1
B
I
N
E
Cr
Selects “VIDEO” input
No data
20
!
*
**
1
B
D
I
S
P
Cr
Displays the status*
3
No data
21
!
*
**
1
B
A
M
U
T
E
x
x*
2
Cr Turns muting on/off
00: Off, 01: On
22
!
*
**
1
B
A
S
P
x
x*
2
Cr
Changes the aspect ratio
00: 4:3, 01: 16:9
• “Cr” is 0Dh.
• The commands for starting communication (connection) (No. 1), terminating communication (termination)
(No. 2), and turning on the monitor (No. 13) can be used while the monitor is off (on standby).
*
1
Enter the monitor’s ID for “ **.” The initial setting of the monitor’s ID is “00.” When connecting several monitors, “00” is a
command for controlling all monitors at once.
*
2
Enter the appropriate data to “xx.”
*
3
Displays the information shown when the INPUT SELECT button currently lit is pressed (
☞ “On the Status Display” on
page 7).
Monitor
External Control
(cont.)