(1/43) external control nec lcd monitor 1. Application this document defines the communications method for control of the nec lcd monitor, multisync x461un when using an external controller . 2. Connectors and wiring 2.1 rs-232c remote control connector: 9-pin d-sub cable: cross (reversed) cable or ...
(2/43) 4. Communication format the command packet consists of four parts, header, message, check code and delimiter. Sequence of a typical procedure to control a monitor is as follows, [a controller and a monitor, two-way communication composition figure] 4.1 header block format (fixed length) 1 st ...
(3/43) 2 nd byte) reserved: reserved for future extensions. On this monitor, it must be ascii '0'(30h). 3 rd byte) 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 re...
(4/43) 5 th byte) message type: (case sensitive.) refer to section 4.2 “message block format” for more details. Ascii 'a' (41h): command. Ascii 'b' (42h): command reply. Ascii 'c' (43h): get current parameter from a monitor. Ascii 'd' (44h): "get parameter" reply. Ascii 'e' (45h): set parameter. Asc...
(5/43) message format of the “set parameter” is as follows, refer to section 5.3 “set parameter” for more details. 4 ） set parameter reply the monitor replies with this message for a confirmation of the “set parameter message”. Message format of the “set parameter reply” is as follows, refer to sect...
(6/43) following is an example of a check code (bcc) calculation. Check code (bcc) d 17 = d 1 xor d 2 xor d 3 xor … xor d 14 xor d 15 xor d 16 = 30h xor 41h xor 30h xor 45h xor 30h xor 41h xor 02h xor 30h xor 30h xor 31h xor 30h xor 30h xor 30h xor 36h xor 34h xor 03h = 77h 4.6 delimiter packet deli...
(7/43) 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 that you want to get, specify the “op code page” the “op code”, refer to “appendix a. Operation code table ”. 1 st byte) stx: start of message ascii stx (02...
(8/43) these bytes indicate a result of the requested commands as follows, 00h: no error. 01h: unsupported operation with this monitor or unsupported operation under current condition. This result code from the monitor is encoded to ascii characters. Ex.) the byte data 01h is encoded to ascii charac...
(9/43) this op code page data must be encoded to ascii characters. Ex.) the byte data 02h must be encoded to ascii '0' and '2' (30h and 32h). Refer to the operation code table. 4 th -5 th bytes) op code: operation code this op code data must be encoded to ascii characters. Ex.) op code 1ah -> op cod...
(10/43) ascii '0''0' (30h, 30h): set parameter ascii '0''1' (30h, 31h): momentary like auto setup function, that automatically changes the parameter. 10 th -13 th bytes) max. Value: maximum value that monitor can accept. (16bits) reply data from the monitor is encoded to ascii characters. Ex.) '0''1...
(11/43) bit 5-2 reserved (don't care) bit 1 1:positive horizontal sync polarity. 0:negative horizontal sync polarity. Bit 0 1:positive vertical sync polarity. 0:negative vertical sync polarity. H freq: horizontal frequency in unit 0.01khz v freq: vertical frequency in unit 0.01hz ex.) when h freq is...
(12/43) delimiter cr (0dh): end of packet step 2. The monitor replies with current brightness setting and capability to support this operation. 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 t...
(13/43) 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 le...
(14/43) 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. 'e' (45h): message type is "set parameter command". '0'-'a' (30h, 41h): message length ...
(15/43) 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 parameter". '0'-'6' (30h, 36h): message length is 6 bytes. Mes...
(16/43) 7. Power control procedure 7.1 power status read 1) the controller requests the monitor to reply a current power status. Header message check code delimiter soh-'0'-monitor id-'0'-'a'-'0'-'6' stx-'0'-'1'-'d'-'6'-etx bcc cr header soh (01h): start of header '0' (30h): reserved monitor id: spe...
(17/43) cr (0dh): end of packet 7.2 power control 1) the controller requests the monitor to control monitor power. Header soh (01h): start of header '0' (30h): reserved monitor id: specify the monitor id which you want to change a setting. Ex.) if monitor id is '1', specify 'a'. '0' (30h): message s...
(18/43) refer to the section 4.5 “check code” for a bcc calculation. Delimiter cr (0dh): end of packet 8. Asset data read and write 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 message ...
(19/43) delimiter cr (0dh): end of packet 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 message check code delimiter soh-'0'-monitor id-'0'-'a'-n-n stx-'c'-'0'-'0'-'e'-'0'-'0'- data(0)-data(1)---data(n)-etx ...
(20/43) delimiter cr (0dh): end of packet 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 controller requests the monitor to reply with the date & time. Header message check code delimiter soh-'0'-monitor id-'0'-'a'-'0'-'6' ...
(24/43) 2) the monitor replies schedule to the controller. Header message check code delimiter soh-'0'-'0'-monitor id-'b'-'1'-'8' stx-'c'-'3'-'1'-'3'-pg-on hour-on min- off hour-off min-input-wd-fl-p mode-etx bcc cr header soh (01h): start of header '0' (30h): reserved '0' (30h): message receiver is...
(25/43) bit 2: wednesday bit 3: thursday bit 4: friday bit 5: saturday bit 6: sunday ex. '0'-'1'(30h, 31h): monday '0'-'4'(30h, 34h): wednesday '0'-'f'(30h, 46h): monday, tuesday, wednesday and thursday '7'-'f'(37h, 46h): monday to sunday fl: option bit 0: 0:once 1:everyday bit 1: 0:once 1:every wee...
(27/43) '0'-'2'(30h, 32h): srgb '0'-'3'(30h, 33h): cinema '0'-'4'(30h, 34h): isf_day '0'-'5'(30h, 35h): isf_night '0'-'6'(30h, 36h): ambient_1 '0'-'7'(30h, 37h): ambient_2 * picture mode setting can be skipped. Skipped message length is '1'-'6'(31h, 36h). * if picture mode setting is skipped, the re...
(28/43) '0'-'0'(30h, 30h): dvi '0'-'1'(30h, 31h): (display port) '0'-'2'(30h, 32h): vga '0'-'3'(30h, 33h): rgb/hv '0'-'4'(30h, 34h): hdmi '0'-'5'(30h, 35h): dvd/hd1 '0'-'6'(30h, 36h): dvd/hd2 '0'-'7'(30h, 37h): scart '0'-'8'(30h, 38h): video1 '0'-'9'(30h, 39h): video2 '0'-'a'(30h, 41h): s-video '0'-...
(29/43) '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'-'a'(30h, 41h): message length message stx (02h): start of message 'c'-'...
(30/43) 11.1 self-diagnosis status read this command is used in order to read the self-diagnosis status. 1) the controller requests the monitor to read self-diagnosis status. Header message check code delimiter soh-'0'-monitor id-'0'-'a'-'0'-'4' stx-'b'-'1'-etx bcc cr header soh (01h): start of head...
(31/43) check code bcc: block check code refer to the section 4.5 “check code” for a bcc calculation. Delimiter cr (0dh): end of packet 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 requests the monitor to read a serial...
(32/43) delimiter cr (0dh): end of packet 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. Header message check code delimiter soh-'0'-monitor id-'0'-'a'-'0'-'6' stx-'c'-'2'-'1'-'7'-etx bcc cr header soh (01h): star...
(33/43) is executed, and reply no error status and a new condition. If codes aren't matched with them then setting isn't changed, and reply error status and a current condition. If the monitor receives this command while waiting for pass codes inputs, then it only checks pass cords (and releases ima...
(34/43) 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 'c'-'3'-'1'-'d' (43h, 33h, 31h, 44h): security lock control reply command st-en: lock condition result data st:...
(39/43) item op code page op code parameter remarks information osd 02h 3dh 0:disable information osd 3-10: osd timer [seconds] osd transparency 02h b8h 0: none 1: off(opaque) 2: type1 3: type2 menu tree reset (osd) 02h cbh 0: none 7: reset osd category momentary monitor id 02h 3eh 1-100:id ir contr...
(41/43) item op code page op code parameter remarks scan mode 02h e3h 1: under scan 2: over scan menu tree reset (advanced option) 02h cbh 0: none 10: reset advanced option category momentary menu tree reset (factory reset) 02h cbh 0: none 1: factory reset momentary input 00h 60h 0: no mean 1: vga 2...
(42/43) 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: video2 7: s-video 10: tv 12: dvd/hd1 13: option 14: dvd/hd2 15: (display port) 17: hdmi this operation has limitation of selection. Please refer to the monitor ins...
(43/43) all data are subject to change without notice. Copyright 2004-2007 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 notice. Ne...
