Controlling the Monitor with a PC
Communication procedure
Basic operation
<Command 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.
Return code
C1 |
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| C4 | P1 |
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| P3 | P4 |
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Command field |
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alphanumerical |
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Example: VOLM0030 |
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| VOLM |
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| 30 (“ |
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*Be sure to input 4 characters for the parameter. Pad with spaces if necessary. Wrong: VOLM30
Right: VOLM
When inputting a negative value, specify a numerical value in three digits.
Example:
To use the
Example: MPOS010097
If a command has “R” listed for “DIRECTION” in the
Example: 1. If an ID number has not been set:
VOLM???? ← From PC to monitor (How much is current volume setting?)
30 ← From monitor to PC (Current volume setting: 30)
2.If an ID number has been assigned (For example, ID number = 1)
VOLM |
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30 |
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| 001 |
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ENGLISH
<Response code format>
When a command has been executed correctly
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| Return code | This is returned when execution of the command is | |||
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| (0DH, 0AH) | fi nished. | |||
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When a command has not been executed correctly* | ||||||||||
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| Return code | * This is returned when there is no such command, or |
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| (0DH, 0AH) | when the command cannot be used in the current |
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| * If communication has not been established for |
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| reasons such as a bad connection between the PC |
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| and monitor, nothing is returned (not even ERR). |
If execution of the command is taking some time |
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| Return code |
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Return code (0DH, 0AH)
L O C K E D
With some commands, “WAIT” is returned as a return value. Wait for a moment, and OK or ERR will be returned. New commands cannot be received during this time, even if they are sent.
If |
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operation lock (see page 32), LOCKED is returned | 35 E |
as the returned value. |