NEC RS-232C user manual 930h, 39h

Page 40

1) The controller requests the monitor to set the condition of security lock.

Header	Message	Check	Delimiter
		code
SOH-'0'-MonitorID-'0'-'A'-'1'-'0'	STX-'C'-'2'-'1'-'D'-EN-P1-P2-P3-P4-ETX	BCC	CR

Header

SOH (01h): Start Of Header

'0' (30h): Reserved

Monitor ID: Specify the Monitor ID of which you want to change a setting. Ex.) If Monitor ID is '1', specify 'A'.

'0' (30h): Message sender is the controller.

'A' (41h): Message type is "Command".

'1'-'0'(31h, 30h): Message length

Message

STX (02h): Start of Message

'C'-'2'-'1'-'D' (43h, 32h, 31h, 44h): Security Lock Control command

EN-P1-P2-P3-P4: Lock condition control data EN: Enable /Disable

'0'-'0'(30h, 30h): Disable

'0'-'1'(30h, 31h): Enable

P1: Security Pass code 1st '0'-'0'(30h, 30h): "0"

'0'-'9'(30h, 39h): "9"

P2: Security Pass code 2nd '0'-'0'(30h, 30h): "0"

'0'-'9'(30h, 39h): "9"

P3: Security Pass code 3rd '0'-'0'(30h, 30h): "0"

'0'-'9'(30h, 39h): "9"

P4: Security Pass code 4th '0'-'0'(30h, 30h): "0"

'0'-'9'(30h, 39h): "9"

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 result to the controller.

Header	Message	Check code	Delimiter
SOH-'0'-'0'-Monitor ID-'B'-'0'-'A'	STX-'C'-'3'-'1'-'D'-ST-EN-ETX	BCC	CR

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'.

'B' (42h): Message type is "Command reply".

'0'-'A'(30h, 41h): Message length

Message

STX (02h): Start of Message

(40/50)

Image 40

Contents Application Connectors and wiringCommunication Parameter Communication Format Header block format fixed lengthALL Message block format STXETX STX ETX MSB LSBMSB LSB Check codeSOH Delimiter Following is an example of a Check code BCC calculationMessage type Get current Parameter from a monitorSet parameter Set parameter reply Current conditionCommands Save Current SettingsGet Timing Report and Timing reply MSB LSB ETXTypical procedure example How to change the Brightness settingNull Message BCCHeader Message Check code Delimiter Message Check code Delimiter Code STX-0-0-0-2-7-9-0-0 Power control procedure Power status readPower control Controller requests the monitor to control monitor powerAsset Data read and write Asset Data Read Request and replyAsset Data write Date & Time Read Date & Time read and writeBCC DS-ETX Date & Time Write Check code Delimiter Schedule read and write Schedule ReadSTX-C-3-2-1-PG-ON HOUR-ON MIN Page BCC OFF HOUR-OFF MIN-INPUT-WD-FL-ETX B33h, 42h 59 =3Bh C33h, 43h Off timer isn’t set Schedule WritePG-ON HOURS-ON MIN-OFF HOURS-OFF MIN-INPUT-WD-FL-P Mode Page BCC OFF HOUR-OFF MIN-INPUT-WD-FL-P Mode Header 31/50 SOH-0-0-Monitor ID-B-0-C STX-C-3-1-5-ST-PG-EN-ETX STX-C-2-1-4-PG-ON HOUR-ON MIN 34/50 BCC Self diagnosis Self-diagnosis status readST Result of self-tests 0-030h, 30h00 Normal Serial No. Read Serial No. & Model Name ReadModel Name Read Security Lock Security Lock Control930h, 39h Page Dicom SIM ISFAdjust Surround HdmiRGB/HV POPPIP OSD Option Sync DVI-PC DVI-HDNtsc SecamPIP ON/OFF All data are subject to change without notice

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