Self-Diagnosis - NEC LCD3215 - MultiSync - 32" LCD Flat Panel Display Control Manual

'B' (42h): Message type is "Command reply"
'0'-'C' (30h, 43h): Message length.
Message
STX (02h): Start of Message
'C'-'2'-'1'-'5' (43h, 32h, 31h, 35h): Schedule writes command
ST: Schedule Status command
0(30h):No error
1(31h):Error
PG-EN: Schedule data
PG: Program No.
'0'-'0'(30h, 30h): Program No.1
|
'0'-'6'(30h, 36h): Program No.7
EN: Enable /Disable
'0'-'0'(30h, 30h): Disable
'0'-'1'(30h, 31h): Enable
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
11. Self diagnosis
11.1 Self-diagnosis status read
This command is used in order to read the Self-diagnosis status.
1) The controller requests the monitor to read Self-diagnosis status.
Header
SOH-'0'-'A'-'0'-'A'-'0'-'4'
Header
SOH (01h): Start of Header
'0' (30h): Reserved
'A' (41h): Monitor ID
LCD3215/LCD4215 must be ASCII 'A' (41h).
'0' (30h): Message sender is the controller
'A' (41h): Message type is "Command"
'0'-'4'(30h, 34h): Message length.
Message
STX (02h): Start of Message
'B'-'1' (42h, 31h): Self-diagnosis 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 a result of the self-diagnosis.
Header
SOH-'0'-'0'-'A'-'B'-N-N
Header
SOH (01h): Start Of Header
'0' (30h): Reserved
'0' (30h): Message receiver is the controller
Message
STX-'B'-'1'-ETX
Message
STX-'A'-'1'-
ST(0)-ST(1) --------ST(n)-ETX
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Check code Delimiter
BCC CR
Check code
BCC
Delimiter
CR