Infocus PN-L702B Benutzerhandbuch

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INF7020 Hardware Guide
RS232C Command and Control
The RS232C connection is pre-installed.
Communication Conditions
Set the RS232C communication settings on the PC to match the monitor’s communication settings as follows:
BAUD RATE: Set to the same baud rate as the BAUD RATE setting of SETUP menu (Initial setting: 38400 bps). 
DATA LENGTH: 8 bits
PARITY BIT: None
STOP BIT: 1 bit
FLOW CONTROL: None
Communication Procedures
COMMAND FORMAT
When a command is sent from the PC to the monitor, the monitor operates according to the received command and sends a re-
sponse message to the PC.
C1  C2  C3  C4  P1  P2  P3  P4 
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 
When inputting a negative value, specify a numerical value in three digits. 
Example: AUTR-005
Do not use spaces for MPOS, DATE, and SC01 through SC08. Specify parameters using a specified number of characters. 
Example: MPOS010097
If the Command DIRECTION is “R” in the RS232C Command Table, the current value can be returned by using “?” as the parameter.
Example:
VOLM ? ? ? ?  
← From PC to monitor (How much is current volume setting?).
30   
 
← From monitor to PC (Current volume setting: 30).
Return Code
Command field
(4 prescribed alphanumeric 
characters)
Parameter field
(4 character string com-
prised of: 0-9, +, -, space, ?)