JVC DT-V24L3DY Using the serial communication, Communication specifications, Command outline

External Control (cont.)

7Using 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				Communication specifications
						specification
	RS-485			A straight LAN cable					Baud Rate: 4800 bps
	RS-232C			A straight cable with a D-sub 9-pin
									Data Bits: 8 bits
				connector (male for the monitor,		☞ See below			Parity: No parity
				female for the personal computer					Stop Bits: 1 bit
				etc.)					Flow Control: No control
									Communication Code: ASCII Code
<Specifications of the RS-485 terminal>								<Specifications of the RS-232C terminal>
				This is a female terminal.							This is a female 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.

18

Example of communication procedures

1Starting the communication:

connection command (!00BCN1Cr)

Monitor

2Monitor’s status (@00BOKCr)

3Selecting “SDI 1” input (!00BINACr)

PC, etc.

4Monitor’s status (@00BOKCr)

5Terminating the communication: termination command

(!00BCN0Cr)

6Monitor’s status (@00BOKCr)

<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

No data

(termination)

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

00: Hide

the monitor

01: Display

7

!

*

**1

B

M E

N

U

Cr

Displays the MAIN MENU/Quits the

No data

menu operation

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).