Sharp PN-Y425 Car Video System User Manual


 
34
E
Controlling the Monitor with a PC (RS-232C)
n
Commands for ID control
The command examples shown on this page assume the
following connection and ID SETTING.
ID number: 1 ID number: 2 ID number: 3ID number: 4
IDST ......... A monitor receiving this command sets its own ID
number in the parameter eld.
Example:
IDST0001
OK
001
The ID number of this monitor is set to 1.
TIPS
You can automatically assign ID numbers by using the IDST
command with the Repeater control (see “Repeater control”
on page 35).
For example, using the command “IDST001+” automatically
sets the ID numbers, as shown below.
[Example]
ID number: 1 ID number: 2 ID number: 3ID number: 4
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.
Example:
IDSL0002
The next command is 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
OK response from monitor with ID
number: 2
VOLM0020
Sets volume to 20.
OK 001
The volume of the monitor with ID
number: 1 (the one directly connected
to the PC) is set to 20.*
* The IDSL command is effective only once, for the
immediately succeeding command.
IDLK ........
The parameter of this command sets the ID
number of the monitor. The monitor is subject to all
subsequent commands.
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
VOLM0020
Sets volume of monitor with ID
number: 2 to 20.*
WAIT
OK
002
IDLK0000
Canceling xed ID number setting
WAIT
Canceling IDLK
OK 002
Cancelation complete
VOLM0010
OK
001
The volume of the monitor with ID number:
1 (the one directly connected to the PC) is
set to 10. (IDLK is canceled.)
* The IDLK command remains effective until it is
canceled, or power is shut off.