Controlling the Monitor with a PC (RS-232C)

„Commands for ID control

The command examples shown on this page assume the following connection and ID number set up.

IDLK ........The parameter of this command sets the ID

number of the monitor. The monitor is subject to all subsequent commands.

ID number: 1 ID number: 2 ID number: 3 ID number: 4

IDST .........A monitor receiving this command sets its own ID

number in the parameter field.

Example:

IDST0001

OK 001 ← The ID number of this monitor is set to 1.

Example:

IDLK0002

Following commands are for the monitor

with ID number: 2.

WAIT

 

Searching for monitor with ID number:

 

2

 

 

 

OK

002

Found monitor with ID number: 2

VOLM0030

Sets volume of monitor with ID

number: 2 to 30.*

WAIT

 

Processing

OK

002

 

 

TIPS

You can automatically assign ID numbers by using the IDST command with the Repeater control (see “Repeater control” on page 15).

For example, using the command “IDST001+” automatically sets the ID numbers, as shown below.

[Example]

ID number: 1 ID number: 2 ID number: 3 ID number: 4

VOLM0020 ←

WAIT

OK 002 IDLK0000 ←

WAIT ← OK 002 ← VOLM0010

OK 001 ←

Sets volume of monitor with ID number: 2 to 20.*

Canceling fixed ID number setting

Canceling IDLK

Cancelation complete

The volume of the monitor with ID number: 1 (the one directly connected to the PC) is set to 10. (IDLK is canceled.)

IDST001 +

ID setting command with repeater control

WAIT

 

 

OK

001

“OK” response from ID number: 1

OK

002

“OK” response from ID number: 2

OK

003

“OK” response from ID number: 3

OK

004

“OK” response from ID number: 4 (End)

IDSL ........The parameter of this command sets the ID number

of the monitor. The monitor is subject to the next command.

*The IDLK command remains effective until it is canceled, or power is shut off.

IDCK........Provides screen display of the ID number currently

assigned to a monitor, and the ID number currently set for IDLK (if any).

Example:

(After executing IDLK0002)

IDCK0000

(Parameter has no meaning.)

 

Returned response. The ID

ID : 001 IDLK : 002

number is also displayed on the

 

monitor screen.

Example:

IDSL0002 ←

WAIT ←

OK 002 ←

VOLM0030 ←

WAIT ←

OK 002 ←

VOLM0020 ←

OK 001 ←

The next command is for the monitor with ID number: 2.

Searching for monitor with ID number: 2

Found monitor with ID number: 2

Sets volume of monitor with ID number: 2 to 30.

Processing

OK response from monitor with ID number: 2

Sets volume to 20.

The volume of the monitor with ID number: 1 (the one directly connected to the PC) is set to 20.*

IDCK000 +

Repeater control. (If a command

WAIT

 

is used with repeater control, ID

 

designation using IDSL or IDLK

ID : 001 IDLK : 000

is canceled.)

 

ID : 002

IDLK : 000

 

ID : 003

IDLK : 000

 

ID : 004

IDLK : 000

 

*The IDSL command is effective only once, for the immediately succeeding command.

E14

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Mitsubishi Electronics MT819, LDT521V manual Wait ←