Model Name Read; Security Lock Control - NEC X461UN - MultiSync - 46" LCD Flat Panel Display Control Manual

12.2 Model Name Read

This command is used in order to read the Model Name.
1) The controller requests the monitor to read Model Name.
Header
SOH-'0'-Monitor ID-'0'-'A'-'0'-'6'
Header
SOH (01h): Start Of Header
'0' (30h): Reserved
Monitor ID: Specify the Monitor ID which you want to get Model Name.
'0' (30h): Message sender is the controller.
'A' (41h): Message type is "Command".
'0'-'6'(30h, 36h): Message length
Message
STX (02h): Start of Message
'C'-'2'-'1'-'7' (43h, 32h, 31h, 37h): Model Name command
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
2) The monitor replies the model name data to the controller.
Header
SOH-'0'-'0'-Monitor ID-'B'-N-N
Header
SOH (01h): Start Of Header
'0' (30h): Reserved
'0' (30h): Message receiver is the controller.
Monitor ID: Indicate a replying Monitor ID.
'B' (42h): Message type is "Command reply".
N-N: Message length
Message
STX (02h): Start of Message
'C'-'3'-'1'-'7' (43h, 33h, 31h, 37h): Model Name reply Command
Data(0) -Data(1)----Data(n):Model name

These data are encoded to ASCII characters strings.
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
13. Security Lock

13.1 Security Lock Control

This command sets the condition of security lock function to "LOCK" or "UNLOCK".
If security pass codes 1st to 4th are matched with monitor resisted pass codes, then this command
is executed, and reply no error status and a new condition.
If codes aren't matched with them then setting isn't changed, and reply error status and a current
Ex.) If Monitor ID is '1', specify 'A'.
STX-'C'-'3'-'1'-'7'-Data(0) -Data(1)—---
-Data(n)-ETX
Ex.) When this byte is set to 'A', the replying Monitor ID is '1'.
Note.) The maximum data length that can be returned from the monitor at a time is
32bytes.
Ex.) The byte data 20h is encoded as ASCII characters '2' and '0' (32h and 30h).
Message
STX-'C'-'2'-'1'-'7'-ETX
Message
(32/43)
Check code Delimiter
BCC CR
Check code
BCC
Delimiter
CR