NEC C551 External Control Codes

NEC C551 Manual

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  • NEC C551 | External Control Codes - Page 1
    External Control NEC LCD Monitor INDEX Rev.1.0(G5) I. Application...4 II. Preparation ...5 2. Connectors and wiring ...5 2.1 RS-232C Remote control...5 2.2 LAN control ...5 III. Communication specification ...6 3. Communication Parameter ...6 3.1 RS-232C Remote control...6 3.2 LAN
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    15.1 Security Lock Control ...73 16. Daylight Saving read & write ...75 16.1 Daylight Saving Read ...75 16.2 Daylight Saving Write ...77 17. Firmware Version ...79 17.1 Firmware Version Read...79 18. Input Name ...81 18.1 Input Name Read...81 18.2 Input Name Write ...83 18.3 Input Name Reset...85 19
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    21.1 LAN MAC Address Read ...96 22. Emergency Contents ...98 22.1 Emergency Contents Display...98 22.2 Emergency Contents Delete ...100 (3/104)
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    I. Application This document defines the communications method for control of the NEC LCD monitor, MultiSync C431 /C501 /C551 when using an external controller. (4/104)
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    -232C Remote control Connector: 9-pin D-Sub Cable: Cross (reversed) cable or null modem cable (Please refer "Controlling the LCD monitor via RS-232C Remote control" on User's manual.) 2.2 LAN control Connector: RJ-45 10/100 BASE-T Cable: Category 5 or higher LAN cable (Please refer "Controlling the
  • NEC C551 | External Control Codes - Page 6
    layer (TCP) * Using the payload of TCP segment. (Default) Automatic setup * If you need to change, Please refer "Network settings" on User's manual. 7142 (Fixed) (Note) The monitor will disconnect the connection if no packet data is received for 15 minutes. And the controller (PC) has to re-connect
  • NEC C551 | External Control Codes - Page 7
    replies to the controller for confirmation. ■ For the special command (see the part 7 to 24. and 5.5.2) Controller Command Command Reply Monitor The control does not suitable for above fixed protocol; use the proper command for each control. Please refer section 5.5 and section 7 to 26. The
  • NEC C551 | External Control Codes - Page 8
    of Header ASCII SOH (01h) Source 4th Message Type 5th Message Length 6th -7th 2ndbyte) Reserved: Reserved for future extensions. On this monitor, it must be ASCII '0'(30h). 3rdbyte) Destination: Destination equipment ID. (Receiver) Specify a commands receiver's address. The controller sets the
  • NEC C551 | External Control Codes - Page 9
    '*'(2Ah). 4thbyte) Source: Source equipment ID. (Sender) Specify a sender address. The controller must be '0' (30h). On the reply, the monitor sets the own MONITOR ID in here. 5thbyte) Message Type: (Case sensitive.) Refer to section 4.2 "Message block format" for more details. ASCII 'A' (41h
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    MSB LSB MSB LSB  Refer to section 5.2 "Get parameter reply" for more details. 3)Set parameter The controller sends this message to change a setting of the monitor. Message format of the "Set parameter" is as follows, STX OP code OP code Set Value ETX page Hi Lo Hi Lo MSB LSB  Refer
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    to section 5.5 "Commands message" for more details. 6)Command reply The monitor replies to a query from the controller. "Command reply message" format depends on each command. Refer to section 5.5 "Commands message" for more details. (11/104)
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    4.3 Check code Header Message Check code Delimiter Check code is the Block Check Code (BCC) between the Header and the End of Message except SOH. SOH Reserved Destination Source Type Length(H) Length(L) STX Data | | ETX Check code 27 26 25 24 23 22 21 20 D0 D1 D2 D3 D4 D5 D6 D7
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    OP code ETX page Hi Lo Hi Lo 1st 2nd-3rd 4th-5th 6th Send this message when you want to get the status of a monitor. For the status that you want to get, specify the "OP code page" the "OP code", refer to "Appendix A. Operation code table". 1stbyte) STX: Start
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    4th-5th 6th -7th 8th -9th 10th -13th 14th -17th 18th The monitor replies with a current value and the status of the requested item (operation bytes indicate a replying item's OP code page. This returned value from the monitor is encoded to ASCII characters. Ex.) The byte data 02h is encoded to
  • NEC C551 | External Control Codes - Page 15
    18thbyte) ETX: End of Message ASCII ETX (03h) (15/104)
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    Value ETX page Hi Lo Hi Lo MSB LSB 1st 2nd-3rd 4th-5th 6th-9th 10th Send this message to change monitor's adjustment and so on. The controller requests a monitor to change value. 1stbyte) STX: Start of Message ASCII STX (02h) 2nd-3rdbytes) OP code page: Operation code page This OP
  • NEC C551 | External Control Codes - Page 17
    -13th Requested setting ETX Value MSB LSB 14th -17th 18th The Monitor echoes back the parameter and status of the requested operation code. 1stbyte) Echoes back the Operation code page for confirmation. Reply data from the monitor is encoded to ASCII characters. Ex.) OP code page 02h -> OP
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    on each command. Some commands are shown with usage. Refer to section 7 to 25. 5.5.1 Save Current Settings. The controller requests for the monitor to store the adjusted value. Command code STX ETX '0' 'C'  Send "OC"(30h, 43h) as Save current settings command.  Complete "Save Current setting
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    " command packet as follows; ASCII: 01h-30h-41h-30h-41h-30h-34h-02h-30h-37h-03h-CHK-0Dh SOH-'0'-'A'-'0'-'A'-'0'-'4'-STX-'0'-'7'-ETX-CHK- CR The monitor replies status as the following format; STX Command SS H Freq. V Freq. ETX '4' 'E' Hi Lo MSB LSB MSB LSB  SS: Timing status byte Bit
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    5.5.3 NULL Message Command code STX ETX 'B' 'E' The NULL message returned from the monitor is used in the following cases;  To tell the controller that the monitor does not have any answer to give to the host (not ready or not expected)  Complete "NULL Message" command packet as follows; 01h
  • NEC C551 | External Control Codes - Page 21
    to change the "Backlight" setting. Step 1. The controller requests the Monitor to reply with the current brightness setting and capability to support this operation. (Get parameter) Header SOH-'0'-Monitor ID- '0'-'C'-'0'-'6' Message STX-'0'-'0'-'1'-'0'-ETX Check code BCC Delimiter CR Header
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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
  • NEC C551 | External Control Codes - Page 23
    Message STX-'0-'C'-ETX Check code BCC Delimiter 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
  • NEC C551 | External Control Codes - Page 24
    6.2. How to read the measurement value of the built-in temperature sensors. MultiSync C431/ C501/ C551 have three built-in temperature sensors. The controller can monitor inside temperatures by using those sensors with external control. The following shows the procedure for reading the temperatures
  • NEC C551 | External Control Codes - Page 25
    Message STX-'0'-'2'-'7'-'9'-ETX Check code BCC Delimiter CR Header SOH (01h): Start of Header '0' (30h): Reserved Monitor ID: Specify the Monitor ID which you want to get a value. Ex.) If Monitor ID is '1', specify 'A'. '0' (30h): Message sender is the controller. 'C' (43h): Message Type is "Get
  • NEC C551 | External Control Codes - Page 26
    Readout value is 2's complement. Temperature [Celsius] +125.0 + 25.0 + 0.5 0 - 0.5 - 25.0 - 55.0 Readout value Binary 0000 0000 1111 1010 0000 0000 0011 0010 0000 0000 0000 0001 0000 0000 0000 0000 1111 1111 1111 1111 1111 1111 1100 1110 1111 1111 1001 0010 Hexadecimal 00FAh 0032h 0001h 0000h
  • NEC C551 | External Control Codes - Page 27
    6.3. Operation Code (OP code) Table Item OP code page INPUT 00h OP code 60h INPUT PICTURE MODE 02h 1Ah BRIGTNESS BACKLIGHT BRIGHTNESS GAMMA CORRECTION 00h 10h 00h 92h 02h 68h COLOR 02h 1Fh COLOR TEMPERATURE 00h 54h COLOR TEMPERATURE 00h 14h (CUSTOM) Parameter 0: No mean
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    ASPECT ADJUST Item SHARPNESS AUTO SETUP AUTO ADJUST H POSITION V POSITION CLOCK PHASE COLOR SYSTEM INPUT RESOLUTION ASPECT ZOOM OP code OP code page 00h 8Ch 00h 1Eh 10h B7h 00h 20h 00h 30h 00h 0Eh 00h 3Eh 02h 21h 02h DAh 02h 70h 11h 2Ch Parameter 0: dull | 24(18h): sharp
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    Item H ZOOM OP code OP code page 11h 2Dh Parameter 0-89(59h): No mean 90(5Ah): 90% 91(5Bh): 91% | 100(64h): 100% | 300(12Ch): 300% V ZOOM 11h 2Eh 0-89(59h): No mean 90(5Ah): 90% 91(5Bh): 91% | 100(64h): 100% | 300(12Ch): 300% H POS V POS OVER SCAN NOISE REDUCTION 02h CCh 02h CDh 02h
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    SCHEDULE AUDIO DELAY EQULIZER Item SURROUND TREBLE BASS AUDIO INPUT LINE OUT AUDIO DELAY DELAY TIME RESET (AUDIO) ENABLE DISABLE SCHEDULE SETTINGS HOLIDAY SETTINGS WEEKEND SETTINGS DATE & TIME DAYLIGHT SAVING OFF TIMER RESET (SCHEDULE) OP code OP code page 02h 34h Parameter 0: No mean 1: OFF
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    PRIORITY3 VGA MODE DisplayPort BITRATE VIDEO LEVEL HDMI / DisplayPort MODE RESET (MULTI INPUT) LANGUAGE MENU DISPLAY TIME OSD POSITION INFORMATION OSD OSD ROTATION KEY GUIDE MEMO INPUT NAME NAME RESET OP code OP code page 02h 40h 10h 2Eh 10h 2Fh 10h 30h 10h 8Eh 11h 19h 10h 40h 11h
  • NEC C551 | External Control Codes - Page 32
    MULTI DISPLAY TILE MATRIX Item CLOSED CAPTION RESET (OSD) H MONITOR V MONITOR POSITION TILE COMP H SIZE V SIZE H ADJUSTMENT V ADJUSTMENT ENABLE TILE MATRIX MEM MONITOR ID GROUP ID RESET (MULTI DISPLAY) OP code OP code page 10h 84h 02h CBh 02h D0h 02h D1h 02h D2h 02h D5h 11h 96h
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    CONTROL IR LOCK SETTING DISPLAY PROTECTION POWER ON DELAY SCREEN SAVER MOTION HEAT STATUS Item POWER SAVE QUICK TURN ON STANDBY USB POWER POWER SAVE MESSAGE BACKLIGHT TEMPERATURE SENSOR1/2/3 BACKLIGHT INTERVAL ZOOM SIDE BORDER COLOR DELAY TIME LINK TO ID RESET (DISPLAY PROTECTION) IP ADDRESS
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    KEY LOCK SETTING Item POWER VOLUME MIN VOL MAX VOL INPUT UNLOCK SELECT MODE SELECT POWER VOLUME MIN VOL MAX VOL INPUT CHANNEL DDC/CI PING IP ADDRESS RESET OP code OP code page 10h D5h 10h D6h 10h D7h 10h D8h 10h D9h 10h DAh 10h DBh 10h DCh 11h 6Ah 11h 6Bh 11h 6Ch 11h 6Dh
  • NEC C551 | External Control Codes - Page 35
    No mean 12(0Ch): Reset Category Momentary Control Refer to chapter 14 SERIAL CARBON SAVINGS CARBON USAGE FIRMWARE MAC ADDRESS FACTORY RESET Refer to chapter 14 10h 10h (g) /11h (kg) 10h 26h 0: No mean 1: Factory Reset Read Only Read Only Momentary SYSTEM MONITOR INFORMATION (35/104)
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    Item MUTE SCREEN MUTE SOUND STILL CAPTURE SIGNAL INFORMATION OP code OP code page 00h 8Dh 10h B6h 02h 34h 02h 76h 02h EAh Parameter 0: UNMUTE (Set only) 1: MUTE 2: UNMUTE 0: No mean 1: SCREEN MUTE ON 2: SCREEN MUTE OFF 0: No mean 1: Off 2: ON 0: OFF 1: CAPTURE 0: No mean 1: OFF 2: ON
  • NEC C551 | External Control Codes - Page 37
    STX-'0'-'1'-'D'-'6'-ETX Check code BCC Delimiter CR Header SOH (01h): Start of Header '0' (30h): Reserved Monitor ID: Specify the Monitor ID from which you want to get status. Ex.) If Monitor ID is '1', specify 'A'. '0' (30h): Message sender is the controller. 'A' (41h): Message Type is "Command
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    Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (38/104)
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    (02h): Start of Message '0'-'0' (30h, 30h): Result code. No error. 'C'-'2','0'-'3'-'D'-'6' (43h, 32h, 30h, 33h, 44h, 36h): power control reply command  The monitor replies same as power control command to the controller. '0'-'0'-'0'-'1' (30h, 30h, 30h, 31h): Power mode 0001: ON 0002, 0003: Do not
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    Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (40/104)
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    MultiSync C431/ C501/ C551 have the area for to store user's asset data of up to 64bytes. 8.1 Asset Data Read Request and reply This command is used in order to read Asset Data. 1) The controller requests the monitor to reply with Asset data. Header SOH-'0'-Monitor ID'0'-'A'-'0'-'A' Message STX
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    sender is the controller. 'A' (41h): Message type is "Command". N-N: Message length Note.) The maximum data length that can be written to the monitor at a time is 32bytes. Message STX (02h): Start of Message 'C'-'0'-'0'-'E' (43h, 30h, 30h, 45h): Asset Data writes command '0'-'0'(30h, 30h): Offset
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    Delimiter CR (0Dh): End of packet (43/104)
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    Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet 2) The monitor replies Date & Time to the controller. Header Message SOH-'0'-'0'-Monitor ID'B'-'1'-'4' STX-'C'-'3'-'1'-'1'YY-MM-DD-WW-HH-MN-DS-ETX Check code BCC Delimiter CR Header SOH (01h
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    '1'-'F'(31h, 46h): 31(=1Fh) WW: weekdays '0'-'0'(30h, 30h): Sunday '0'-'1'(30h, 31h): Monday '0'-'2'(30h, 32h): Tuesday '0'-'3'(30h, 33h): Wednesday '0'-'4'(30h, 34h): Thursday '0'-'5'(30h, 35h): Friday '0'-'6'(30h, 36h): Saturday HH: Hours '0'-'0'(30h, 30h): 0 | '1'-'7'(31h, 37h): 23 (=17h) MN:
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    & Time Write This command is used in order to write the setting of the Date & Time. 1) The controller requests the monitor to write Date & Time. Header SOH-'0'-Monitor ID'0'-'A'-'1'-'2' Message STX-'C'-'2'-'1'-'2'YY-MM-DD-WW-HH-MN-DS-ETX Check code BCC Delimiter CR Header SOH (01h): Start of
  • NEC C551 | External Control Codes - Page 47
    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". '1'-'6'(31h, 36h): Message length Message
  • NEC C551 | External Control Codes - Page 48
    Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (48/104)
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    Read This command is used in order to read the setting of the Schedule. 1) The controller requests the monitor to read Schedule. Header Message SOH-'0'-Monitor ID'0'-'A'-'0'-'8' STX-'C'-'2'-'3'-'D'-PG-ETX Check code BCC Delimiter CR Header SOH (01h): Start of Header '0' (30h): Reserved
  • NEC C551 | External Control Codes - Page 50
    '1'-'7'(31h, 37h): 23 (=17h) '1'-'8'(31h, 38h): Delete hour MIN: Time (minute) '0'-'0'(30h, 30h): 0 | '3'-'B'(33h, 42h): 59 '3'-'C'(33h, 43h): Delete minute INPUT: Input terminal '0'-'0'(30h,30h): No mean (works on last memory) '0'-'1'(30h,31h): VGA(RGB) '0'-'3'(30h,33h): DVI '0'-'5'(30h,35h): VIDEO
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    , 46h): 31 '2'-'0'(32h, 30h): Delete day EXT1: Extension1 '0'-'0'(30h,30h): (On this monitor, it is always '00') EXT2: Extension 2 '0'-'0'(30h,30h): (On this monitor, it is always '00') EXT3: Extension 3 '0'-'0'(30h,30h): (On this monitor, it is always '00') ETX (03h): End of Message Check code BCC
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    Write This command is used in order to write the setting of the Schedule. 1) The controller requests the monitor to write Schedule. Header SOH-'0'-Monitor ID'0'-'A'-'2'-'2' Message STX-'C'-'2'-'3'-'E'-PG-EVENT-HOUR-MININPUT-WEEK-TYPE-PMODE-YEAR-MONTH-DAYEXT1-EXT2-EXT3-ETX Check code Delimiter
  • NEC C551 | External Control Codes - Page 53
    If TYPE = date, this parameter is needed. EXT1: Extension1 '0'-'0'(30h,30h): (On this monitor, it is always '00') EXT2: Extension 2 '0'-'0'(30h,30h): (On this monitor, it is always '00') EXT3: Extension 3 '0'-'0'(30h,30h): (On this monitor, it is always '00') ETX (03h): End of Message Check code BCC
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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'. 'B' (42h): Message type is "Command reply". '2'-'4'(32h, 34h): Message length Message
  • NEC C551 | External Control Codes - Page 55
    , 46h): 31 '2'-'0'(32h, 30h): Delete day EXT1: Extension1 '0'-'0'(30h,30h): (On this monitor, it is always '00') EXT2: Extension 2 '0'-'0'(30h,30h): (On this monitor, it is always '00') EXT3: Extension 3 '0'-'0'(30h,30h): (On this monitor, it is always '00') ETX (03h): End of Message Check code BCC
  • NEC C551 | External Control Codes - Page 56
    Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet 4) The monitor replies a data for confirmation. Header Message SOH-'0'-'0'-Monitor ID'B'-'0'-'C' STX-'C'-'3'-'3'-'F'-ST-PG-EN-ETX Check code BCC Delimiter CR Header SOH (01h): Start of Header
  • NEC C551 | External Control Codes - Page 57
    Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (57/104)
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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'. 'B' (42h): Message type is "Command reply" '1'-'8'(31h, 38h): Message length Message STX
  • NEC C551 | External Control Codes - Page 59
    TP: Type bit 0: End day bit 1: Day bit 2: Week bit 3: Reserved bit 4: Reserved bit 5: Reserved bit 6: Reserved bit 7: Reserved YEAR: Year '0'-'0'(30h,30h): No mean '0'-'F'(30h,46h): 2015 | '6'-'3'(36h,33h): 2099 MONTH: Month '0'-'0'(30h,30h): No mean '0'-'1'(30h,31h): Janualy | '0'-'C'(31h,43h):
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    11.2 Holiday Write This command is used in order to write the setting of Holiday. 1) The controller requests the monitor to write Date & Time. Header SOH-'0'-Monitor ID- '0'-'A'-'1'-'2' Message STX-'C'-'A'-'1'-'9'-'0'-'1'PG-TP-YEAR-MON-DAY-EMON-EDAY-ETX Check code BCC Delimiter CR Header SOH
  • NEC C551 | External Control Codes - Page 61
    Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet 2) The monitor replies a data for confirmation. Header Message SOH-'0'-'0'-Monitor ID- STX-'C'-'B'-'1'-'9'-'0'-'1'-ST- 'B'-'1'-'C' PG-TP-YEAR-MONTH-DAY-WEEK NO- WEEK-EMON-EDAY-ETX Check code
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    | '6'-'3'(36h,33h): 2099 MONTH: Month '0'-'0'(30h,30h): No mean '0'-'1'(30h,31h): Janualy | '0'-'C'(31h,43h): December WEEK NO: Week No. '0'-'0'(30h,30h): No mean '0'-'1'(30h,31h): 1st week '0'-'2'(30h,32h): 2nd week | '0'-'5'(30h,35h): Last week WEEK: Week '0'-'0'(30h,30h): No mean '0'-'1'(30h,31h
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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'. 'B' (42h): Message type is "Command reply" '0'-'C'(30h, 43h): Message length Message STX
  • NEC C551 | External Control Codes - Page 64
    Example: Weekend setting is "Saturday" and "Sunday". '2'-'0' OR '4'-'0' = '6'-'0' 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 (64/104)
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    Write This command is used in order to write the setting of Weekend. 1) The controller requests the monitor to write the setting of Weekend. Header SOH-'0'-Monitor ID- '0'-'A'-'0'-'A' Message STX-'C'-'A'-'1'-'A'-'0'-'1'- WEEK-ETX Check code BCC Delimiter CR Header SOH (01h): Start of Header
  • NEC C551 | External Control Codes - Page 66
    '0'-'1'(30h, 31h): Error WEEK: Weekend '0'-'0'(30h, 30h): None bit assignment of a day of the week. bit0: Monday bit1: Tuesday bit2: Wednesday bit3: Thursday bit4: Friday bit5: Saturday bit6: Sunday Example: Weekend setting is "Saturday" and "Sunday". '2'-'0' OR '4'-'0' = '6'-'0' ETX (03h): End of
  • NEC C551 | External Control Codes - Page 67
    Command reply". N-N: Message length Note.) The maximum data length that can be written to the monitor at a time is 32bytes. Ex.) The byte data 20h is encoded as ASCII characters 41h, 32h):A2: SENSOR reached at the temperature that the user had specified. 'B'-'0'(42h, 30h):B0: No signal 'E'-'0'(45h,
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    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 (68/104)
  • NEC C551 | External Control Codes - Page 69
    'B' (42h): Message type is "Command reply". N-N: Message length 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 (02h): Start of Message 'C'-'3'-'1'-'6' (41h
  • NEC C551 | External Control Codes - Page 70
    Note: No null termination character is sent. 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 (70/104)
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    'B' (42h): Message type is "Command reply". N-N: Message length 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 (02h): Start of Message 'C'-'3'-'1'-'7' (43h
  • NEC C551 | External Control Codes - Page 72
    Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (72/104)
  • NEC C551 | External Control Codes - Page 73
    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
  • NEC C551 | External Control Codes - Page 74
    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
  • NEC C551 | External Control Codes - Page 75
    Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet 2) The monitor replies Date & Time to the controller. Header Message SOH-'0'-'0'-Monitor ID'B'-'2'-'0' STX-'C'-'B'-'0'-'1'-'0'-'0'-ST-BM-BD1-BD -BT1-BT2-EM-ED1-ED2-ET1-ET2-TD-ETX Check code BCC
  • NEC C551 | External Control Codes - Page 76
    LAST : 05h (30h, 35h) BD2: BEGIN DAY2 (Day of the week) SUNDAY : 01h (30h, 31h) MONDAY : 02h (30h, 32h) TUESDAY : 03h (30h, 33h) WEDNESDAY : 04h (30h, 34h) THURSDAY : 05h (30h, 35h) FRIDAY : 06h (30h, 36h) SATURDAY : 07h (30h, 37h) BT1: BEGIN TIME1 (Hour) 00h (30h, 30h) - 23 (32h, 33h)
  • NEC C551 | External Control Codes - Page 77
    Write This command is used in order to write the setting of the Daylight Saving. 1) The controller requests the monitor to write Daylight Saving. Header SOH-'0'-Monitor ID- '0'-'A'-'1'-'E' Message STX-'C'-'A'-'0'-'1'-'0'-'1'-BM-BD1-BD2- BT1-BT2-EM-ED1-ED2-ET1-ET2-TD-ETX Check code Delimiter
  • NEC C551 | External Control Codes - Page 78
    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 (10bytes
  • NEC C551 | External Control Codes - Page 79
    Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet 2) The monitor replies a firmware version to the controller. Header SOH-'0'-Monitor ID- '0'-'B'-'1'-'1' Message STX-'C'-B'-'0'-'2'-ST-TY-MV- PP-BV1-BV2-BV3-BR1-BR2-ETX Check code BCC Delimiter CR
  • NEC C551 | External Control Codes - Page 80
    00h (30h, 30h) - 09h (30h, 39h) BV2: Minor (Basic) Version2: 00h (30h, 30h) - 09h (30h, 39h) BV3: Minor (Basic) Version3: 00h (30h, 30h) - 09h (30h, 39h) BR1: Branch Version1: A:41h (34h, 31h) - Z:5Ah (35h, 41h) BR2: Branch Version2: A:41h (34h, 31h) - Z:5Ah (35h, 41h) Check code BCC: Block Check
  • NEC C551 | External Control Codes - Page 81
    Read This command is used in order to read the setting of Input Name. 1) The controller requests the monitor to reply Input Name setting. Header SOH-'0'-Monitor ID- '0'-'A'-'0'-'8' Message STX-'C'-'A'-'0'-'4'-'0'-'0'-ETX Check code BCC Delimiter CR Header SOH (01h): Start of Header '0' (30h
  • NEC C551 | External Control Codes - Page 82
    Step3: Byte data represents the ASCII string data. Example: 56h 47h 41h -> "VGA" Result: Input Name is "VGA". Note: No null termination character is sent. 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
  • NEC C551 | External Control Codes - Page 83
    This command is used in order to write the setting of Input Name. 1) The controller requests the monitor to write Input Name. Header Message SOH-'0'-Monitor ID'0'-'A'- LN(H)-LN(L) STX-'C'-'A'-'0'-'4'-'0'-1'Data(0)-Data(1)-Data(2)- --- -Data(n)-ETX Check code BCC Delimiter CR Header SOH (01h
  • NEC C551 | External Control Codes - Page 84
    ST: Status 00h (30h, 30h): No Error 01h (30h, 31h): Error 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 (84/104)
  • NEC C551 | External Control Codes - Page 85
    Name Reset This command is used in order to reset the Input Name. 1) The controller requests the monitor to reset Input Name. Header SOH-'0'-Monitor ID- '0'-'A'-'0'-'8' Message STX-'C'-'A'-'0'-'4'-'0'-'2'-ETX Check code Delimiter BCC CR Header SOH (01h): Start of Header '0' (30h): Reserved
  • NEC C551 | External Control Codes - Page 86
    (86/104)
  • NEC C551 | External Control Codes - Page 87
    Read This command is used in order to read the Power Save Mode. 1) The controller requests the monitor to read Power Save Mode Header SOH-'0'-Monitor ID- '0'-'A'-'0'-'8' Message STX-'C'-'A'-'0'-'B'-0'-'0'-ETX Check code BCC Delimiter CR Header SOH (01h): Start of Header '0' (30h): Reserved
  • NEC C551 | External Control Codes - Page 88
    Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (88/104)
  • NEC C551 | External Control Codes - Page 89
    This command is used in order to write the setting of Power Save Mode. 1) The controller requests the monitor to write Power Save Mode. Header SOH-'0'-Monitor ID- '0'-'A'-'0'-'A' Message STX-'C'-'A'-'0'-'B'-'0'-'1'-MODE-ETX Check code BCC Delimiter CR Header SOH (01h): Start of Header '0' (30h
  • NEC C551 | External Control Codes - Page 90
    Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (90/104)
  • NEC C551 | External Control Codes - Page 91
    Read This command is used in order to read the setting of Auto Power Save Time. 1) The controller requests the monitor to reply Time setting. Header SOH-'0'-Monitor ID- '0'-'A'-'0'-'8' Message STX-'C'-'A'-'0'-'B'-'0'-'2'-ETX Check code BCC Header SOH (01h): Start of Header '0' (30h): Reserved
  • NEC C551 | External Control Codes - Page 92
    Write This command is used in order to write the setting of Auto Power Save Time. 1) The controller requests the monitor to write Time. Header SOH-'0'-Monitor ID- '0'-'A'-'0'-'A' Message Check code STX-'C'-'A'-'0'-'B'-'0'-'3'-TIME-ETX BCC Header SOH (01h): Start of Header '0' (30h): Reserved
  • NEC C551 | External Control Codes - Page 93
    Enable Read This command is used in order to read the Security Enable. 1) The controller requests the monitor to read Security Enable Header SOH-'0'-Monitor ID- '0'-'A'-'0'-'8' Message STX-'C'-'A'-'0'-'C'-'0'-'2'-ETX Check code BCC Delimiter CR Header SOH (01h): Start of Header '0' (30h
  • NEC C551 | External Control Codes - Page 94
    command is used in order to write the setting of Security Enable. 1) The controller requests the monitor to set Security password. Header SOH-'0'-Monitor ID- '0'-'A'-'1'-'C' Message STX-'C'-'A'-'0'-'C'-'0'-'1'ENA-'0'-'0'-PWD1-...-PWD16-ETX Check code BCC Delimiter CR Header SOH (01h): Start
  • NEC C551 | External Control Codes - Page 95
    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
  • NEC C551 | External Control Codes - Page 96
    .1 LAN MAC Address Read This command is used in order to read the MAC Address. 1) The controller requests the monitor to read MAC Address Header SOH-'0'-Monitor ID- '0'-'A'-'0'-'8' Message STX-'C'-'2'-'2'-'A'-'0'-'2'-ETX Check code Delimiter BCC CR Header SOH (01h) : Start of Header '0' (30h
  • NEC C551 | External Control Codes - Page 97
    BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (97/104)
  • NEC C551 | External Control Codes - Page 98
    ETX Check code BCC Delimiter 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
  • NEC C551 | External Control Codes - Page 99
    Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (99/104)
  • NEC C551 | External Control Codes - Page 100
    BCC 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
  • NEC C551 | External Control Codes - Page 101
    All data are subject to change without notice. (August 24, 2017) Copyright 2004-2017 NEC Display Solutions, Ltd. All Right Reserved This document provides the technical information for users. NEC Display Solutions, Ltd. reserves the right to change or modify the information contained herein
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(1/104)
External Control
NEC LCD Monitor
Rev.1.0(G5)
INDEX
I. Application
.............................................................................................................................................
4
II. Preparation
...........................................................................................................................................
5
2. Connectors and wiring
.........................................................................................................................
5
2.1 RS-232C Remote control
....................................................................................................................
5
2.2 LAN control
.........................................................................................................................................
5
III. Communication specification
............................................................................................................
6
3. Communication Parameter
..................................................................................................................
6
3.1 RS-232C Remote control
....................................................................................................................
6
3.2 LAN control
.........................................................................................................................................
6
3.3 Communication timing
.......................................................................................................................
6
4. Communication Format
........................................................................................................................
7
4.1 Header block format (fixed length)
...................................................................................................
8
4.2 Message block format
......................................................................................................................
10
4.3 Check code
.......................................................................................................................................
12
4.4 Delimiter
...........................................................................................................................................
12
5. Message type
......................................................................................................................................
13
5.1 Get current Parameter from a monitor.
..........................................................................................
13
5.2 "Get parameter" reply
......................................................................................................................
14
5.3 Set parameter
...................................................................................................................................
16
5.4 "Set parameter" reply
......................................................................................................................
17
5.5 Commands
........................................................................................................................................
18
5.5.1 Save Current Settings.
..................................................................................................................
18
5.5.2 Get Timing Report and Timing reply.
...........................................................................................
19
5.5.3 NULL Message
...............................................................................................................................
20
IV. Control Commands
...........................................................................................................................
21
6. Typical procedure example
...............................................................................................................
21
6.1. How to change the
“
Backlight
”
setting.
........................................................................................
21
6.2. How to read the measurement value of the built-in temperature sensors
..................................
24
6.3. Operation Code (OP code) Table
....................................................................................................
27
7. Power control procedure
...................................................................................................................
37
7.1 Power status read
............................................................................................................................
37
7.2 Power control
...................................................................................................................................
39
8. Asset Data read and write
.................................................................................................................
41
8.1 Asset Data Read Request and reply
................................................................................................
41