15
7 Using the serial communication

You can control the monitor from a personal computer etc. via RS-485 or RS-232C terminal.

<Communication specifications>

Input terminal Cable Terminal
specification Communication specifications
RS-485 A straight LAN cable
☞ the right
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.)

<Command outline>

• 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
• Commands starting with “!” are operation commands from the personal computer etc. For details, see <Command list> on the
right.
• Character strings starting with “@” are status returns from the monitor.
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)
Personal computer
etc.
Monitor

<Command list>

Type No. Commands Functions Data
Basic commands
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!
**B I D S E T x x Cr Assigns the control ID 01 – 99
4!
**B I D R E T Cr Initializes the control ID No data
5!
**B I D D S P x x Cr Displays/hides the ID 00: Hide
01: Display
6!
**BI DCHKx x Cr Flashes/hides the selected ID No. of the
monitor
00: Hide
01: Display
7!
**BMENUCr Displays the main menu/Quits the menu
operation No data
8!
**BUPCr Moves the cursor upward ( ) No data
9!
**BDOWNCr Moves the cursor downward ( ) No data
10 ! **BADJRCr Makes setting/adjustment ( ) No data
11 ! **BADJLCr Makes setting/adjustment ( ) No data
12 ! **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 ! **B P W 0 Cr Turns off the monitor (standby) No data
15*2!**B I N A Cr Selects “SDI 1” input No data
16*2!**B I N B Cr Selects “SDI 2” input No data
17 ! **B I N C Cr Selects “DVI” input No data
18 ! **B I N D Cr Selects “COMPO. / RGB” input No data
19 ! **B I N E Cr Selects “VIDEO 1” input No data
20 ! **B I N F Cr Selects “VIDEO 2” input No data
21 ! **BDI SPCr Displays the status*3No data
22 ! **B A M U T E x x Cr Turns muting on/off 00: Off, 01: On
23 ! **B A S P x x Cr Changes the aspect ratio 00: 4:3, 01: 16:9
*1 These commands can be used while the monitor is off (standby).
*2 These commands are available for only DT-V24L1D and DT-V20L1D.
*3 Displays the information shown when INPUT SELECT button of the current input is pressed (☞ “About the Status Display” on
page 7). While controlling with MAKE (make contact) system, the information is displayed only at the moment of
short-circuiting.
• “**” is monitor’s ID. Normally, set to “00.”
• Enter the appropriate data to “xx”.
• “Cr” is 0Dh.
This is a female
terminal.
Pin No. IN terminal
signal
OUT terminal
signal
1TXD + TXD +
2TXD – TXD –
3RXD + RXD +
4NC NC
5NC NC
6RXD – RXD –
7NC NC
8GND GND
This is a female
terminal.

<Specifications of RS-232C terminal>

Pin No. Signal
1NC
2RXD
3TXD
4NC
5GND
6NC
7RTS
8CTS
9NC
• The 7th terminal and the 8th terminal are
connected.

<Specifications of RS-485 terminal>

Operation

1 Set “PARA REMO SEL” of “REMOTE SETTING” to “MAKE” or “TRIGGER” in the set-up menu.
2 Short-circuit the 7th pin terminal (external control) to the 8th pin terminal (GND) so that the monitor can be

controlled by the external control.

3 When selecting “MAKE” (make contact) 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.

NOTE
• When changing the input with MAKE (make contact) 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.
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