Using The Serial Communication - JVC DT-V17L2D Instructions Manual

Multi format lcd monitor
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Operation
1
Set "PARALLEL TYPE" of "REMOTE SETTING" to "MAKE" or "TRIGGER" in the SET-UP MENU.
2
Short-circuit the 7th pin terminal (ENABLE) to the 8th pin terminal (GND) so that the monitor can be controlled
by the external control.
3
When selecting "MAKE" system: Operate each function by short-circuiting the corresponding pin terminal to
the 8th pin terminal (GND) or opening it.
When selecting "TRIGGER" system: Operate each function by pulse control, that is short-circuiting the
corresponding pin terminal to the 8th pin terminal (GND) for about 1 second and opening it.
• When changing the input with MAKE system, only one pin terminal must be short-circuited. (Other pin terminals
must be opened.)
• When selecting the "TRIGGER" system, you can operate only one function at a time. Operate the functions one
by one.

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
RS-485
A straight LAN cable
RS-232C
A straight cable with a D-sub 9-pin
connector (male for the monitor,
female for the personal computer
etc.)
<Command outline>
All commands consist of the following segments.
Header
Monitor ID
Command ID
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.
Example of communication procedures
1 Starting the communication: connection command
(!00BCN1Cr)
2 Monitor's status (@00BOKCr)
3 Selecting "SDI 1" input (!00BINACr)
4 Monitor's status (@00BOKCr)
PC, etc.
5 Terminating the communication: termination command
(!00BCN0Cr)
6 Monitor's status (@00BOKCr)
Terminal
Communication specifications
specification
Baud Rate: 4800 bps
Data Bits: 8 bits
Parity: No parity
☞ See the right
Stop Bits: 1 bit
Flow Control: No control
Communication Code: ASCII Code
Function
Data
Monitor
<Basic command list>
No.
Commands
1
! * **
1
B C N 1 Cr
1
2
! * **
B C N 0 Cr
3
! * **
1
B I
D S E T
4
! * **
1
B I
D R E T
5
! * **
1
B I
D D S P x
6
! * **
1
B I
D C H K x
7
! * **
1
B M E N U Cr
8
! * **
1
B U P Cr
9
! * **
1
B D O W N Cr
10
! * **
1
B A D J R Cr
11
! * **
1
B A D J L Cr
12
! * **
1
B S E T U P Cr
13
! * **
1
B P W 1 Cr
14
! * **
1
B P W 0 Cr
1
15
! * **
B I
N A Cr
16
! * **
1
B I
N B Cr
17
! * **
1
B I
N C Cr
18
! * **
1
B I
N D Cr
19
! * **
1
B I
N E Cr
20
! * **
1
B D I
S P Cr
21
! * **
1
B A M U T E x
1
22
! * **
B A S P x x*
• "Cr" is 0Dh.
Cr (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 (☞ "About the Status
Display" on page 7).
<Specifications of the RS-485 terminal>
Pin No.
IN terminal
1
2
This is a female
terminal.
3
4
5
6
7
8
Functions
Starts communication (connection)
Terminates communication (termination)
x
x*
2
Cr
Assigns the control ID
Cr
Initializes the control ID
x*
2
Cr
Displays/hides the ID
x*
2
Cr
Flashes/hides the selected ID No. of the monitor
Displays the MAIN MENU/Quits the menu
operation
Moves the cursor upward ( )
Moves the cursor downward ( )
Makes setting/adjustment ( )
Makes setting/adjustment ( )
Displays the SET-UP MENU
Turns on the monitor
Turns off the monitor (on standby)
Selects "SDI 1" input
Selects "SDI 2" input
Selects "DVI" input
Selects "COMPO." input
Selects "VIDEO" input
Displays the status*
3
x*
2
Cr
Turns muting on/off
2
Cr
Changes the aspect ratio
<Specifications of the RS-232C terminal>
OUT
signal
terminal
signal
TXD +
TXD +
TXD –
TXD –
This is a female
RXD +
RXD +
terminal.
NC
NC
NC
NC
RXD –
RXD –
NC
NC
GND
GND
• The 7th terminal and the 8th terminal
ENGLISH
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
00: Off, 01: On
00: 4:3, 01: 16:9
Pin No.
Signal
1
NC
2
RXD
3
TXD
4
NC
5
GND
6
NC
7
RTS
8
CTS
9
NC
are connected.
15

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