JVC DT-V24L3DU Instruction Manual - Page 18

Using the serial communication, <Command outline&gt

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External Control (cont.) 18 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 RS-232C A straight LAN cable A straight cable with a D-sub 9-pin connector (male for the monitor, female for the personal computer etc.) ☞ 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 This is a female terminal. This is a female terminal. Pin No. 1 2 3 4 5 6 7 8 IN terminal signal OUT terminal signal TXD + TXD + TXD - TXD - RXD + RXD + NC NC NC NC RXD - RXD - NC NC GND GND Pin No. Signal 1 NC 2 RXD 3 TXD 4 NC 5 GND 6 NC 7 RTS 8 CTS 9 NC • The 7th terminal and the 8th terminal are connected. All commands consist of the following segments. Header Monitor ID Command ID Function Data Cr (0DH) On Header "!": Operation commands from the personal computer, etc. For details, see on the right. "?": 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. Example of communication procedures 1Starting the communication: connection command (!00BCN1Cr) 2Monitor's status (@00BOKCr) PC, etc. 3Selecting "SDI 1" input (!00BINACr) 4Monitor's status (@00BOKCr) 5Terminating the communication: termination command (!00BCN0Cr) 6Monitor's status (@00BOKCr) Monitor No. Commands Functions 1 ! * **1 B C N 1 Cr Starts communication (connection) 2 ! * **1 B C N 0 Cr Terminates communication (termination) 3 ! * **1 B I D S E T x x*2 Cr Assigns the control ID 4 ! * **1 B I D R E T Cr Initializes the control ID 5 ! * **1 B I D D S P x x*2 Cr Displays/hides the ID 6 ! * **1 B I DCHK x x*2 Cr Flashes/hides the selected ID No. of the monitor 7 ! * **1 B M E N U Cr Displays the MAIN MENU/Quits the menu operation 8 ! * **1 B U P Cr Moves the cursor upward ( ) 9 ! * **1 B D O W N Cr Moves the cursor downward ( ) 10 ! * **1 B A D J R Cr Makes setting/adjustment ( ) 11 ! * **1 B A D J L Cr Makes setting/adjustment ( ) 12 ! * **1 B S E T U P Cr Displays the SET-UP MENU 13 ! * **1 B P W 1 Cr Turns on the monitor 14 ! * **1 B P W 0 Cr Turns off the monitor (on standby) 15 ! * **1 B I N A Cr Selects "SDI 1" input 16 ! * **1 B I N B Cr Selects "SDI 2" input 17 ! * **1 B I N C Cr Selects "DVI" input 18 ! * **1 B I N D Cr Selects "COMPO./RGB" input 19 ! * **1 B I N E Cr Selects "VIDEO 1" input 20 ! * **1 B I N F Cr Selects "VIDEO 2" input 21 ! * **1 B D I S P Cr Displays the status*3 22 ! * **1 B A M U T E x x*2 Cr Turns muting on/off 23 ! * **1 B A S P x x*2 Cr Changes the aspect ratio Data No data No data 01 - 99 No data 00: Hide 01: Display 00: Hide 01: Display No data No data No data No data No data No data No data No data No data No data No data No data No data No data No data 00: Off, 01: On 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 INPUT SELECT button of the current input is pressed (☞ "On the Status Display" on page 7).

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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.
<Communication specifications>
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.)
<Specifications of the RS-485 terminal>
<Specifications of the RS-232C terminal>
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.
<Command outline>
All commands consist of the following segments.
Header
Monitor ID
Command ID
Function
Data
Cr (0DH)
On Header
“!”: Operation commands from the personal computer, etc. For details, see <Basic command list> on the right.
“?”: 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
<Basic command list>
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./RGB” input
No data
19
!
*
*
*
1
B
I
N
E
Cr
Selects “VIDEO 1” input
No data
20
!
*
*
*
1
B
I
N
F
Cr
Selects “VIDEO 2” input
No data
21
!
*
*
*
1
B
D
I
S
P
Cr
Displays the status*
3
No data
22
!
*
*
*
1
B
A
M
U
T
E
x
x*
2
Cr
Turns muting on/off
00: Off, 01: On
23
!
*
*
*
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 INPUT SELECT button of the current input is pressed (
☞
“On the Status Display”
on page 7).
Monitor
External Control
(cont.)