NEC C501 External Control Codes

NEC C501 Manual

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  • NEC C501 | External Control Codes - Page 1
    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 control Control
  • NEC C501 | External Control Codes - Page 2
    69 14.2 Model Name Read ...71 15. Security Lock...73 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
  • NEC C501 | External Control Codes - Page 3
    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)
  • NEC C501 | External Control Codes - Page 4
    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)
  • NEC C501 | External Control Codes - Page 5
    II. Preparation 2. Connectors and wiring 2.1 RS-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
  • NEC C501 | External Control Codes - Page 6
    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 to control the monitor again, after 15 minutes or more. 3.3 Communication
  • NEC C501 | External Control Codes - Page 7
    Get Parameter Reply Set Parameter Set Parameter Get Parameter Get Parameter Reply Save Current Setting Command Save Current Setting Command Reply The controller sends command to get a value from the monitor that you want to change. The monitor replies a current value of the requested item
  • NEC C501 | External Control Codes - Page 8
    must be ASCII '0'(30h). 3rdbyte) Destination: Destination equipment ID. (Receiver) Specify a commands receiver's address. The controller sets the "MONITOR ID" or "GROUP ID" of the monitor controlled in here. On the reply, the monitor sets '0' (30h), always. "MONITOR ID", "GROUP ID" to "Destination
  • NEC C501 | External Control Codes - Page 9
    monitors which are connected by a daisy chain, specify a destination address '*'(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
  • NEC C501 | External Control Codes - Page 10
    block format" is allied to the "Message Type" in the "Header". Refer to the section 4.1 "Header block format" for more detail. 1)Get current parameter The controller sends this message when you want to get the status of the monitor. For the status that you want to get, specify the "OP code
  • NEC C501 | External Control Codes - Page 11
    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)
  • NEC C501 | External Control Codes - Page 12
    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
  • NEC C501 | External Control Codes - Page 13
    code table". 1stbyte) STX: Start of Message ASCII STX (02h) 2nd-3rdbytes) OP code page: Operation code page. Specify the "OP code page" for the control which you want to get the status. Refer to "Appendix A Operation code table" for each item. OP code page data must be encoded to ASCII
  • NEC C501 | External Control Codes - Page 14
    5.2 "Get parameter" reply STX Result OP code OP code Type Max value Current Value ETX page Hi Lo Hi Lo Hi Lo Hi Lo MSB LSB MSB LSB 1st 2nd-3rd 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 (
  • NEC C501 | External Control Codes - Page 15
    18thbyte) ETX: End of Message ASCII ETX (03h) (15/104)
  • NEC C501 | External Control Codes - Page 16
    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 code page
  • NEC C501 | External Control Codes - Page 17
    5.4 "Set parameter" reply STX Result OP code page Hi Lo Hi Lo 1st 2nd-3rd 4th-5th OP code Hi Lo 6th-7th Type Hi Lo 8th-9th Max value MSB LSB 10th-13th Requested setting ETX Value MSB LSB 14th -17th 18th The Monitor echoes back the parameter and status of the requested operation
  • NEC C501 | External Control Codes - Page 18
    "Command message format" depends 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
  • NEC C501 | External Control Codes - Page 19
    5.5.2 Get Timing Report and Timing reply. The controller requests the monitor to report the displayed image timing. Command code STX ETX '0' '7'  Send "07"(30h, 37h) as Get Timing Report command.  Complete "Get Timing Report" command packet as follows; ASCII: 01h-
  • NEC C501 | External Control Codes - Page 20
    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;
  • NEC C501 | External Control Codes - Page 21
    Save current settings". 6.1. How 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
  • NEC C501 | External Control Codes - Page 22
    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. 'E' (45h): Message Type is "Set parameter command". '0'-'A' (30h, 41h): Message length is 10 bytes. Message STX (02h): Start of Message '0'-'0' (30h
  • NEC C501 | External Control Codes - Page 23
    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". '0'-'4' (30h, 34h): Message length is 4 bytes. Message STX (02h): Start of Message '0'-'C' (30h, 43h): Command code
  • NEC C501 | External Control Codes - Page 24
    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 from the
  • NEC C501 | External Control Codes - Page 25
    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 parameter". '0'-'6' (30h, 36h): Message length is 6 bytes. Message STX (02h): Start of Message '0'-'2' (30h, 32h): Operation
  • NEC C501 | 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 C501 | External Control Codes - Page 27
    0: No mean 1: NATIVE 4: 2.2 8: 2.4 0: pale | 100(64h): deep 0:2600K | 74(4Ah):10000K 9: 10000K 11(0Bh): CUSTOM PICTURE COLOR R GAIN B GAIN G GAIN COLOR CONTROL HUE CONTRAST 00h 16h 0: Dark | 255(FFh): Bright 00h 18h 0: Dark | 255(FFh): Bright 00h 1Ah 0: Dark | 255(FFh): Bright 00h
  • NEC C501 | External Control Codes - Page 28
    DYNAMIC 7: 1:1 0-89(59h): No mean 90(5Ah): 90% 91(5Bh): 91% | 100(64h): 100% | 300(12Ch): 300% Remarks Momentary Depends on a display timing Depends on a display timing Wide: Dynamic A/V mode only The following commands can also be used. OP code page 02h OP code 6Fh Parameter 0: No
  • NEC C501 | External Control Codes - Page 29
    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
  • NEC C501 | External Control Codes - Page 30
    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
  • NEC C501 | External Control Codes - Page 31
    DETECT PRIORITY1 PRIORITY2 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
  • NEC C501 | External Control Codes - Page 32
    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 11h 97h 11h 98h 11h 99h
  • NEC C501 | External Control Codes - Page 33
    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
  • NEC C501 | External Control Codes - Page 34
    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 C501 | External Control Codes - Page 35
    0: No mean 1: NO 2: YES 11h 79h 0: No mean 1: NO 2: YES 02h CBh 0: 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 (g) /27h (kg) Refer to
  • NEC C501 | External Control Codes - Page 36
    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 C501 | External Control Codes - Page 37
    If Monitor ID is '1', specify 'A'. '0' (30h): Message sender is the controller. 'A' (41h): Message Type is "Command". '0'-'6' (30h, 36h): Message 30h): Result code 00: No Error. 01: Unsupported. 'D'-'6'(44h, 36h): Display power mode code '0'-'0' (30h, 30h): Parameter type code is "Set parameter".
  • NEC C501 | External Control Codes - Page 38
    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)
  • NEC C501 | External Control Codes - Page 39
    is "Command". '0'-'C (30h, 43h): Message length is 12 bytes. Message STX (02h): Start of Message 'C'-'2'-'0'-'3'-'D'-'6' (43h, 32h, 30h, 33h, 44h, 36h): power control command '0'-'0'-'0'-'1' (30h, 30h, 30h, 31h): Power mode 0001: ON 0002, 0003: Do not set. 0004: OFF (same as the power off by IR
  • NEC C501 | External Control Codes - Page 40
    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)
  • NEC C501 | External Control Codes - Page 41
    8. Asset Data read and write 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
  • NEC C501 | External Control Codes - Page 42
    Monitor ID: Specify the Monitor ID in which you want to write data. Ex.) If Monitor ID is '1', specify 'A'. '0' (30h): Message 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
  • NEC C501 | External Control Codes - Page 43
    Delimiter CR (0Dh): End of packet (43/104)
  • NEC C501 | External Control Codes - Page 44
    -MM-DD-WW-HH-MN-DS-ETX Check code BCC Delimiter 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
  • NEC C501 | External Control Codes - Page 45
    '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:
  • NEC C501 | External Control Codes - Page 46
    the Monitor ID of which you want to change the setting. Ex.) If Monitor ID is '1', specify 'A'. '0' (30h): Message sender is the controller. 'A' (41h): Message type is "Command". '1'-'2'(31h, 32h): Message length Message STX (02h): Start of Message 'C'-'2'-'1'-'2' (43h, 32h, 31h, 32h): Date & Time
  • NEC C501 | External Control Codes - Page 47
    MM-DD-WW-HH-MN-DS-ETX Check code BCC Delimiter 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
  • NEC C501 | 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)
  • NEC C501 | External Control Codes - Page 49
    10. Schedule read and write 10.1 Schedule 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):
  • NEC C501 | 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
  • NEC C501 | External Control Codes - Page 51
    MONTH: Date (month) '0'-'1'(30h, 31h): January | '0'-'C'(30h, 43h): December '0'-'D'(30h, 44h): Delete month DAY: Date (day) '0'-'1'(30h, 31h): 1 | '1'-'F'(31h, 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'(
  • NEC C501 | External Control Codes - Page 52
    : 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". '2'-'2'(32h, 32h): Message length. Message STX (02h): Start of Message PG: Program No. '0'-'0'(30h, 30h): Program
  • NEC C501 | External Control Codes - Page 53
    '0'-'4'(30h, 34h): TUESDAY '0'-'F'(30h, 46h): MONDAY, TUESDAY, WEDNESDAY and THURSDAY '7'-'F'(37h, 46h): MONDAY to SUNDAY TYPE: Schedule type bit 7: Fixed 0 bit 6: 1: Date bit 5: 1: Holiday bit 4: 1: Weekend bit 3: 1: Weekday bit 2: 0:Disable 1:Enable bit 1: 1:Every week bit 0: 1:Every day EX.
  • NEC C501 | External Control Codes - Page 54
    -TYPE-PMODE-YEAR-MONTH-DAYEXT1-EXT2-EXT3-ETX Check code 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', the replying Monitor ID is '1'. 'B' (42h): Message type is
  • NEC C501 | External Control Codes - Page 55
    '0'-'1'(30h, 31h): MONDAY '0'-'4'(30h, 34h): TUESDAY '0'-'F'(30h, 46h): MONDAY, TUESDAY, WEDNESDAY and THURSDAY '7'-'F'(37h, 46h): MONDAY to SUNDAY TYPE: Schedule type bit 7: Fixed 0 bit 6: 1: Date bit 5: 1: Holiday bit 4: 1: Weekend bit 3: 1: Weekday bit 2: 0:Disable 1:Enable bit 1: 1:Every week
  • NEC C501 | External Control Codes - Page 56
    -'C'-'3'-'3'-'F'-ST-PG-EN-ETX Check code BCC Delimiter 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
  • NEC C501 | 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)
  • NEC C501 | External Control Codes - Page 58
    -DAY-WEEK NOWEEK-EMON-EDAY-ETX Check code Delimiter 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
  • NEC C501 | 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):
  • NEC C501 | External Control Codes - Page 60
    the Monitor ID of which you want to change the setting. Ex.) If Monitor ID is '1', specify 'A'. '0' (30h): Message sender is the controller. 'A' (41h): Message type is "Command". '1'-'2'(31h, 32h): Message length Message STX (02h): Start of Message 'C'-'A'-'1'-'9' (43h, 41h, 31h, 39h): '0'-'1' (30h
  • NEC C501 | External Control Codes - Page 61
    -WEEK NO- WEEK-EMON-EDAY-ETX Check code Delimiter 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
  • NEC C501 | External Control Codes - Page 62
    | '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
  • NEC C501 | External Control Codes - Page 63
    the Monitor ID of 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". '0'-'8'(30h, 38h): Message length Message STX (02h): Start of Message 'C'-'A'-'1'-'A' (43h, 41h, 31h, 41h): '0'-'0' (30h, 30h
  • NEC C501 | 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)
  • NEC C501 | External Control Codes - Page 65
    Monitor ID of which you want to change the setting. Ex.) If Monitor ID is '1', specify 'A'. '0' (30h): Message sender is the controller. 'A' (41h): Message type is "Command". '0'-'A'(31h, 41h): Message length Message STX (02h): Start of Message 'C'-'A'-'1'-'A' (43h, 41h, 31h, 41h): Weekend command
  • NEC C501 | 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 C501 | External Control Codes - Page 67
    (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'-'2'(41h, 32h):A2: SENSOR reached at the temperature that the user had specified. 'B'-'0'(42h, 30h):B0: No signal 'E'-'0'(45h, 30h
  • NEC C501 | External Control Codes - Page 68
    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 C501 | External Control Codes - Page 69
    Specify the Monitor ID which you want to get serial number. Ex.) If Monitor ID is '1', specify 'A'. '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'-'6' (43h, 32h, 31h, 36h): Serial No
  • NEC C501 | 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)
  • NEC C501 | External Control Codes - Page 71
    : Specify the Monitor ID which you want to get Model Name. Ex.) If Monitor ID is '1', specify 'A'. '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
  • NEC C501 | 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 C501 | External Control Codes - Page 73
    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
  • NEC C501 | External Control Codes - Page 74
    STX-'C'-'3'-'1'-'D'ST-EN-ETX Check code BCC Delimiter 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
  • NEC C501 | 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 C501 | 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 C501 | External Control Codes - Page 77
    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'-'E'(31h, 45h): Message length (30bytes) Message STX (02h): Start of Message 'C'-'A'-'0'-'1' (43h, 41h, 30h, 31h
  • NEC C501 | External Control Codes - Page 78
    ST-ETX 'B'-'0'-'A' Check code Delimiter 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
  • NEC C501 | 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 C501 | 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 C501 | External Control Codes - Page 81
    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 (8bytes) Message STX (02h): Start of Message 'C'-'A'-'0'-'4' (43h, 41h, 30h, 34h): Input
  • NEC C501 | 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 C501 | External Control Codes - Page 83
    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". LN(H)-LN(L): Message length (byte length), from STX to ETX Ex.) The byte data 20h is encoded as ASCII
  • NEC C501 | 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 C501 | External Control Codes - Page 85
    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 (8bytes) Message STX (02h): Start of Message 'C'-'A'-'0'-'4' (43h, 41h, 30h, 34h): Input
  • NEC C501 | External Control Codes - Page 86
    (86/104)
  • NEC C501 | External Control Codes - Page 87
    21. Power Save Mode 21.1 Power Save Mode 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
  • NEC C501 | 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 C501 | External Control Codes - Page 89
    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'-'A'(30h, 41h): Message length (10byte) Message STX (02h): Start of Message 'C'-'A'-'0'-'B' (43h, 41h, 30h, 42h): Power
  • NEC C501 | 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 C501 | External Control Codes - Page 91
    21.3 Auto Power Save Time 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
  • NEC C501 | External Control Codes - Page 92
    21.4 Auto Power Save Time 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
  • NEC C501 | External Control Codes - Page 93
    : 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
  • NEC C501 | External Control Codes - Page 94
    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'-'C'(31h,43h): Message length (28byte) Message STX (02h): Start of Message 'C'-'A'-'0'-'C' (43h, 41h, 30h, 43h
  • NEC C501 | 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):
  • NEC C501 | External Control Codes - Page 96
    23. LAN MAC Address 23.1 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) :
  • NEC C501 | 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 C501 | External Control Codes - Page 98
    playing, and "Delete command" stops playing. 24.1 Emergency Contents Display This command is used in order to display Emergency Contents. 1) The controller requests the monitor to display Emergency Contents. Header SOH-'0'-Monitor ID- '0'-'A'-'0'-'8' Message STX-'C'-'A'-'1'-'F'-'0'-'1'-ETX
  • NEC C501 | 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 C501 | External Control Codes - Page 100
    : 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'-'1'-'F' (43h, 41h, 31h, 46h
  • NEC C501 | External Control Codes - Page 101
    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 without
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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