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Nec MultiSync C501 — understanding Security Enable Commands and Responses [93/101]
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22. Security Enable
22.1 Security Enable Read
This command is used in order to read the Security Enable.
1) The controller requests the monitor to read Security Enable
Header Message Check code
Delimiter
SOH-'0'-Monitor ID-
'0'-'A'-'0'-'8'
STX-'C'-'A'-'0'-'C'-'0'-'2'-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".
'0'-'8'(30h, 38h): Message length (8byte)
Message
STX (02h): Start of Message
'C'-'A'-'0'-'C' (43h, 41h, 30h, 43h): Security password Command
'0'-'2' (30h, 32h): Enable Read
ETX (03h): End of Message
Check code
BCC: Block Check Code
Refer to the section 4.3 “ Check code” for a BCC calculation.
Delimiter
CR (0Dh): End of packet
2) The monitor replies Security Enable to the controller.
Header Message Check code
Delimiter
SOH-'0'-'0'-Monitor ID-
'B'-'0'-'A'
STX-'C'-'B'-'0'-'C'-'0'-'2'-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’, replying monitor’s ID is ‘1’.
'B' (42h): Message type is "Command reply".
'0'-'A'(30h,41h): Message length (10byte)
Message
STX (02h): Start of Message
'C'-'B'-'0'-'C'-'0'-'2' (43h, 42h, 30h, 41h, 30h, 32h): Get Security Enable Disable Reply
EN: Status
00h: Disable
01h: Enable
ETX (03h): End of Message
Check code
BCC: Block Check Code
Refer to the section 4.3 “ Check code” for a BCC calculation.
Delimiter
CR (0Dh): End of packet
Содержание
129- Rev g5 index
- External control nec lcd monitor
- I application
- Lan control
- Ii preparation
- Connectors and wiring
- Rs 232c remote control
- Rs 232c remote control
- Lan control
- Iii communication specification
- Communication timing
- Communication parameter
- Set parameter
- Save current setting command reply
- Save current setting command
- Monitor controller
- Get parameter reply
- Get parameter
- Communication format
- Command reply
- Command
- Header block format fixed length
- Message block format
- Source address
- Soh reserved destination
- Op code set value etx
- Message length stx op code
- Message
- Header message check code bcc
- Delimiter
- Check code
- Address
- Message type
- Get current parameter from a monitor
- Get parameter reply
- Set parameter
- Set parameter reply
- Commands
- Save current settings
- Get timing report and timing reply
- Null message
- Typical procedure example
- Iv control commands
- How to change the backlight setting
- How to read the measurement value of the built in temperature sensors
- Picture
- Operation code op code table
- Brigtness
- Aspect
- Adjust
- Balance
- Advanced
- Equlizer
- Audio delay
- Schedule
- Schdule
- Terminal setting
- Multi input
- Custom detect
- Tile matrix
- Multi display
- Screen saver
- Power on delay
- Motion
- Ir lock setting
- Heat status
- Display protection
- Control
- Key lock setting
- Auto dimming
- System
- Room light sensing
- Power indicator
- Monitor information
- Backlight setting
- Power status read
- Power control procedure
- Power control
- Asset data read request and reply
- Asset data read and write
- Asset data write
- Date time read and write
- Date time read
- This command is used in order to write the setting of the date time
- The controller requests the monitor to write date time
- Date time write
- Schedule read and write
- Schedule read
- Schedule write
- Holiday read and write
- Holiday read
- This command is used in order to write the setting of holiday
- The controller requests the monitor to write date time
- Holiday write
- Weekend read and write
- Weekend read
- Weekend write
- This command is used in order to write the setting of weekend
- The controller requests the monitor to write the setting of weekend
- Self diagnosis status read
- Self diagnosis
- Serial no model name read
- Serial no read
- Model name read
- Security lock control
- Security lock
- Daylight saving read write
- Daylight saving read
- Daylight saving write
- Firmware version read
- Firmware version
- Input name read
- Input name
- Input name write
- Input name reset
- Power save mode read
- Power save mode
- Power save mode write
- Auto power save time read
- Auto power save time write
- Security enable read
- Security enable
- Security enable write
- Lan mac address read
- Lan mac address
- Emergency contents display
- Emergency contents
- Emergency contents delete
- All data are subject to change without notice
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Learn how to read and interpret Security Enable commands and responses from the controller to the monitor. This guide covers message structure and check codes.