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Header
SOH (01h): Start Of Header
'0' (30h): Reserved
'0' (30h): Message receiver is the controller.
Monitor ID: Indicate a replying Monitor ID.
Ex.) When this byte is set to 'A', the replying Monitor ID is '1'.
'F' (46h): Message Type is "Set parameter reply".
'1'-'2' (31h, 32h): Message length is 18 bytes.
Message
STX (02h): Start of Message
'0'-'0' (30h, 30h): Result code. No error.
'0'-'0' (30h, 30h): Operation code page number is 0.
'1'-'0' (31h, 30h): Operation code is 10h (in the page 0).
'0'-'0' (30h, 30h): This operation is "Set parameter" type.
'0'-'0'-'6'-'4' (30h, 30h, 36h, 34h): Brightness max value is 100(0064h).
'0'-'0'-'5'-'0' (30h, 30h, 35h, 30h): Received a Brightness setting was 80(0050h) .
ETX (03h): End of Message
Check code
BCC: Block Check Code
Refer to the section 4.5 “Check code” for a BCC calculation.
Delimiter
CR (0Dh): End of packet
Repeat Step 1 and Step 2, if you need to check the Brightness setting. (Recommended)
Step 5. Request the monitor to store the Brightness setting. (Save Current Settings Command)
Header Message Check code
Delimiter
SOH-'0'-Monitor ID-'0'-'A'-'0'-'4' STX-'0-'C'-ETX BCC CR
Header
SOH (01h): Start Of Header
'0' (30h): Reserved
Monitor ID: Specify the Monitor ID which you want to store the setting.
Ex.) If Monitor ID is '1', specify 'A'.
'0' (30h): Message sender is the controller.
'A' (41h): Message type is "Command".
'0'-'4' (30h, 34h): Message length is 4 bytes.
Message
STX (02h): Start of Message
'0'-'C' (30h, 43h): Command code is 0Ch as "Save current settings".
ETX (03h): End of Message
Check code
BCC: Block Check Code
Refer to the section 4.5 “Check code” for a BCC calculation.
Delimiter
CR (0Dh): End of packet
6.2. How to read the measurement value of the built-in temperature sensors.
MultiSync LCD4020/4620/5220/6520 has three, or MULTEOS M40/46 has two built-in temperature sensors.
The controller can monitor inside temperatures by using those sensors through RS-232C.
The following shows the procedure for reading the temperatures from the sensors.
Step 1. Select a temperature sensor which you want to read.
Header Message Check code
Delimiter
SOH-'0'-'0'- Monitor ID -'F'-'1'-'2'
STX-'0'-'0'-'0'-'0'-'1'-'0'—'0'-'0'-'0'
-'0'-'6'-'4'-'0'-'0'-'5'-'0'-ETX
BCC CR
Header Message
Check
code
Delimiter
SOH-'0'-Monitor ID-'0'-'E'-'0'-'A'
STX-'0'-'2'-'7'-'8'-'0'-'0'-'0'-'1'-ETX
BCC CR