Controlling the Monitor with a PC (RS-232C)
You can control this monitor from a PC via
You can also connect multiple monitors via a daisy chain by using a PC. By assigning ID numbers to each monitor (see page 33), you can make input mode selection/adjustment or can check the status of a specific monitor.
TIPS
•To control the monitor via
Communication conditions
Set the
Baud rate | 9600bps |
| Stop bit | 1 bit |
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Data length | 8 bits |
| Flow control | None |
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Parity bit | None |
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PC connection
nOne-to-one connection with a PC
Connect with
PC
To COM port
nDaisy chain connection… Advanced operation
Connect with
Next, connect
Up to 25 monitors can be connected. (Depending on the length of the cable used and the surrounding environment.)
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First monitor | input terminal | To COM port | |||||
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output terminal | ||
(commercially available) | ||
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Second monitor
Communication procedure
nCommand format
When a command is sent from the PC to the monitor, the monitor operates according to the received command and sends a response message to the PC.
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| Return code | ||||
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C1 |
| C2 | C3 |
| C4 |
| P1 | P2 | P3 | P4 |
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| Command field |
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| Parameter field | |||||||||
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alphanumerical characters) |
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Example: VOLM0030
VOLM 30
*Be sure to input 4 characters for the parameter. Pad with spaces (“ ”) if necessary.
(“ ” is a return code (0DH, 0AH or 0DH)) Wrong : VOLM30
Right : VOLM | 30 |
Do not use spaces for DATE. Specify parameters using a specified number of characters.
If a command has “R” listed for “DIRECTION” in the
Example:
VOLM ? ? ? ? | ← | From PC to monitor (How much |
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30 | ← | From monitor to PC (Current |
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| volume setting: 30). |
*If an ID number (see page 33) has been assigned (For example, ID number = 1).
VOLM | ? ← | From PC to monitor. |
30 001 | ← | From monitor to PC. |
E32