NEC P552-AVT User Manual

(1/72) EXTERNAL CONTROL NEC LCD Monitor Rev.3.5 INDEX I. Application...

(10/72) section 5.5 “Commands message” for more details. 6）Command reply The monitor replies to a query from the controller. “Command reply message

(11/72) 4.3 Check code Check code is the Block Check Code (BCC) between the Header and the End of Message except SOH. Dn+1 = D1 XOR D2 XO

(12/72) 4.4 Delimiter Packet delimiter code; ASCII CR(0Dh). Header Message Check code Delimiter

(13/72) 5. Message type 5.1 Get current Parameter from a monitor. Send this message when you want to get the status of a monitor. For the status

(14/72) 5.2 "Get parameter" reply The monitor replies with a current value and the status of the requested item (operation code). 1stbyt

(15/72) 5.3 Set parameter Send this message to change monitor’s adjustment and so on. The controller requests a monitor to change value. 1stbyte)

(16/72) 5.4 "Set parameter" reply The Monitor echoes back the parameter and status of the requested operation code. 1stbyte) STX: Start

(17/72) 5.5 Commands "Command message format" depends on each command. Some commands are shown with usage. Refer to section 7 to 13. 5.5.

(18/72) 5.5.2 Get Timing Report and Timing reply. The controller requests the monitor to report the displayed image timing.  Send "07"(

(19/72) 5.5.3 NULL Message The NULL message returned from the monitor is used in the following cases;  To tell the controller that the monitor do

(2/72) 9. Date & Time read and write...44 9.1 Date & Time Read...

(20/72) IV. Control Commands 6. Typical procedure example The following is a sample of procedures to control the monitor, these are examples of "

(21/72) CR (0Dh): End of packet Step 3. The controller request the monitor to change the Backlight setting Header SOH (01h): Start Of Header &apo

(22/72) Header Message Check code Delimiter SOH-'0'-Monitor ID-'0'-'A'-'0'-'4' STX-'0-&apos

(23/72) 6.2. How to read the measurement value of the built-in temperature sensors. MultiSync P402 /P462 /P552 /P702 /V422 /V462 /V551 /V651 /V322 /

(24/72) '0'-'0' (30h, 30h): This operation is "Set parameter" type. '0'-'0'-'0'-'3&a

(25/72) Readout value is 2's complement. ETX (03h): End of Message Check code BCC: Block Check Code Refer to th

(26/72) 6.3. Operation Code (OP code) Table Item OP code page OP code Parameter Remarks Backlight 00h 10h 0: dark | 100(64h): bright Contra

(27/72) Item OP code page OP code Parameter Remarks Ambient Brightness Low 10h 33h 0: dark | 100(64h): bright Ambient Brightness High 10h 34h

(28/72) Item OP code page OP code Parameter Remarks Input Resolution 02h DAh Input Resolution select 0:no mean 1:Item 1(always Auto) 2:Item 2

(29/72) Item OP code page OP code Parameter Remarks Balance 00h 93h O: Left | 30:(Center) | 60: Right Not available on X463UN,X551UN Treble 0

(3/72) I. Application This document defines the communications method for control of the NEC LCD monitor, MultiSync P402 /P462 /P552 /P702 /V422 /V4

(30/72) Item OP code page OP code Parameter Remarks PIP H Position 02h 74h 0: left | 100(64h): right PIP V Position 02h 75h 0: top | 100(64

(31/72) Item OP code page OP code Parameter Remarks H Position 02h 38h 0: Left | MAX.: Right OSD Position V Position 02h 39h 0: Down | MAX.

(32/72) Item OP code page OP code Parameter Remarks Tile Matrix Mem 10h 4Ah 0: None 1: Common(default) 2: Each Input Power On Delay 02h D8h

(33/72) Item OP code page OP code Parameter Remarks Priority1 10h 2Eh Priority2 10h 2Fh Priority3 10h 30h Priority4 10h 31h Custom Detect Pr

(34/72) Item OP code page OP code Parameter Remarks Input 00h 60h 0: No mean 1: VGA 2: RGB/HV 3: DVI 4: HDMI (Set only) 5: Video1 6: Video2 7:

(35/72) Item OP code page OP code Parameter Remarks PIP Input 02h 73h 0: No mean 1: VGA 2: RGB/HV 3: DVI 4: HDMI (Set only) 5: Video1 6: Video

(36/72) 7. Power control procedure 7.1 Power status read 1) The controller requests the monitor to reply a current power status. Header Message Ch

(37/72) CR (0Dh): End of packet

(38/72) 7.2 Power control 1) The controller requests the monitor to control monitor power. Header SOH (01h): Start Of Header '0' (30h): R

(39/72) Delimiter CR (0Dh): End of packet

(4/72) 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

(40/72) 8. Asset Data read and write MultiSync P402 /P462 /P552 /P702 /V422 /V462 /V551 /V651 /V322 /V652 /V552 /X461S /X551S /X401S /X463UN /X551UN

(41/72) Delimiter CR (0Dh): End of packet

(42/72) 8.2 Asset Data write This command is used in order to write Asset Data. 1) The controller requests the monitor to write Asset data. Header

(43/72) CR (0Dh): End of packet

(44/72) 9. Date & Time read and write 9.1 Date & Time Read This command is used in order to read the setting of Date & Time. 1) The co

(45/72) WW: weekdays '0'-'0'(30h, 30h): Sunday '0'-'1'(30h, 31h): Monday '0'-'2'(30h, 32h

(46/72) 9.2 Date & Time Write This command is used in order to write the setting of the Date & Time. 1) The controller requests the monitor

(47/72) Delimiter CR (0Dh): End of packet 2) The monitor replies a data for confirmation. Header Message Check code Delimiter SOH-'0'-&a

(48/72) Delimiter CR (0Dh): End of packet

(49/72) 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 reques

(5/72) III. Communication specification 3. Communication Parameter 3.1 RS-232C Remote control (1) Communication system Asynchronous (2) Interface

(50/72) | '3'-'B'(33h, 42h): 59 '3'-'C'(33h, 43h): On timer isn't set. OFF_HOUR: Turn off time (hour

(51/72) '0'-'0'(30h,30h): (On this monitor, it is always ‘00’) EXT3: Extension 3 '0'-'0'(30h,30h): (On this

(52/72) ***Following command also can be used for to keep backward compatibility, in order to read the setting of the Schedule. 1) The controlle

(53/72) OFF_HOUR: Turn off time (hour) '0'-'0'(30h, 30h): 00 | '1'-'7'(31h, 37h): 23 (=17h) '1'-

(54/72) 10.2 Schedule Write This command is used in order to write the setting of the Schedule. 1) The controller requests the monitor to write Sche

(55/72) '1'-'1'(31h,31h): HDMI * Please select active input on your system (setting). * If you select inactive input here, the in

(56/72) Delimiter CR (0Dh): End of packet 2) The monitor replies a data for confirmation. Header Message Check code Delimiter SOH-'0'-&a

(57/72) WD: Week setting bit 0: Monday bit 1: Tuesday bit 2: Wednesday bit 3: Thursday bit 4: Friday bit 5: Saturday bit 6: Sunday EX. '0&apos

(58/72) Header Message Check code Delimiter SOH-'0'-Monitor ID-'0'-'A'-'0'-'A' STX-'C'-

(59/72) Delimiter CR (0Dh): End of packet

(6/72) 4. Communication Format The command packet consists of four parts, Header, Message, Check code and Delimiter. Recommended sequence of a ty

(60/72) ***Following command also can be used for to keep backward compatibility, in order to write the setting of the Schedule. 1) The contr

(61/72) bit 3: Thursday bit 4: Friday bit 5: Saturday bit 6: Sunday EX. '0'-'1'(30h, 31h): Monday '0'-'4'(30

(62/72) '0'-'0'(30h, 30h): 00 | '1'-'7'(31h, 37h): 23 (=17h) '1'-'8'(31h, 38h): Off ti

(63/72) 'C'-'2'-'1'-'5' (43h, 32h, 31h, 35h): Enable/Disable Schedule writes command PG-EN: Enable/Disable Sc

(64/72) 11. Self diagnosis 11.1 Self-diagnosis status read This command is used in order to read the Self-diagnosis status. 1) The controller requ

(65/72) 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

(66/72) 12. Serial No. & Model Name Read 12.1 Serial No. Read This command is used in order to read a serial number. 1) The controller request

(67/72) 12.2 Model Name Read This command is used in order to read the Model Name. 1) The controller requests the monitor to read Model Name. Heade

(68/72) 13. Security Lock 13.1 Security Lock Control This command sets the condition of security lock function to "LOCK" or "UNLOCK&

(69/72) Header Message Check code Delimiter SOH-'0'-'0'-Monitor ID-'B'-'0'-'A' STX-'C'-

(7/72) 4.1 Header block format (fixed length) 1stbyte) SOH: Start of Header ASCII SOH (01h) 2ndbyte) Reserved: Reserved for future extensions.

(70/72) 14. Direct TV Chanel Read & Write When DTV unit (Option unit) is installed, channel settingｓ is read and write directly. 14.1 Direct TV

(71/72) 14.2 Direct TV Chanel Write & Reply 1) The controller requests the monitor to write channel information. Header Message Check code De

(72/72) All data are subject to change without notice. (December. 25, 2012) Copyright 2004-2012 NEC Display Solutions, Ltd. All Right Reserved

(8/72) 'A'(41h). If you want to control all of the monitors which are connected by a daisy chain, specify a destination address ‘＊’(2Ah).

(9/72) 4.2 Message block format “Message block format” is allied to the “Message Type” in the “Header”. Refer to the section 6 “Message format” for