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NEC LCD3215 - MultiSync - 32" LCD Flat Panel Display Control Manual

Other manuals for LCD3215 - MultiSync - 32" LCD Flat Panel Display: User Manual, User Manual, Specifications, Quick Start Manual, Installation Manual, Brochure, Technical Specifications
Manual is about: External Control

Summary of LCD3215 - MultiSync - 32" LCD Flat Panel Display

  • Page 1

    (1/37) external control lcd3215/lcd4215 1. Application this document defines the communications method for control of the lcd3215/lcd4215 when using an external controller . 2. Connectors and wiring connector: d-sub 9-pin cable: cross (reversed) cable or null modem cable 3. Communication parameter (...

  • Page 2

    (2/37) 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 ...

  • Page 3

    (3/37) 4 th byte) source: source equipment id. (sender) specify a sender address. The controller must be ‘0’(30h). 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 cu...

  • Page 4

    (4/37) 3 ） set parameter the controller sends this message to change a setting of the monitor. 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 para...

  • Page 5

    (5/37) d n+1 = d 1 xor d 2 xor d 3 xor ,,, d n xor: exclusive or 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 3...

  • Page 6

    (6/37) 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...

  • Page 7

    (7/37) 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...

  • Page 8

    (8/37) 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. Op code 1ah -> op code (hi)...

  • Page 9

    (9/37) 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'...

  • Page 10

    (10/37) 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...

  • Page 11

    (11/37) 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 'a' (41h): monitor id lcd3215/lcd4215 must be ascii 'a' ...

  • Page 12

    (12/37) header soh (01h): start of header '0' (30h): reserved '0' (30h): message receiver is the controller 'a' (41h): monitor id lcd3215/lcd4215 must be ascii 'a' (41h). 'f' (46h): message type is "set parameter reply" '1'-'2' (31h, 32h): message length is 18 bytes message stx (02h): start of messa...

  • Page 13

    (13/37) header soh (01h): start of header '0' (30h): reserved 'a' (41h): monitor id lcd3215/lcd4215 must be ascii 'a' (41h). '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 messa...

  • Page 14

    (14/37) header soh (01h): start of header '0' (30h): reserved 'a' (41h): monitor id lcd3215/lcd4215 must be ascii 'a' (41h). '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'-'...

  • Page 15

    (15/37) 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'-'a'-'0'-'a'-'0'-'6' stx-'0'-'1'-'d'-'6'-etx bcc cr header soh (01h): start of header '0' (30h): reserved 'a' (41h): monitor id ...

  • Page 16

    (16/37) 7.2 power control 1) the controller requests the monitor to control monitor power. Header soh (01h): start of header '0' (30h): reserved 'a' (41h): monitor id lcd3215/lcd4215 must be ascii 'a' (41h). '0' (30h): message sender is the controller 'a' (41h): message type is "command" '0'-'c (30h...

  • Page 17

    (17/37) 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 check code delimiter soh-'0'-'a'-'0'-'a'-'0'-'a' stx-'c'-'0'-'0'-'b'-'0'-'0'-'2'-'0'-etx bcc cr...

  • Page 18

    (18/37) 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'-'a'-'0'-'a'-n-n stx-'c'-'0'-'0'-'e'-'0'-'0'- data(0)-data(1)---data(n)-etx bcc cr header soh (01h): start of header ...

  • Page 19

    (19/37) 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'-'a'-'0'-'a'-'0'-'6' stx-'c'...

  • Page 23

    (23/37) 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 check code delimiter soh-'0'-'a'-'0'-'a'-'0'-'8' stx-'c'-'2'-'1'-'3'-pg-etx bcc cr header soh (01h): start o...

  • Page 26

    (26/37) delimiter cr (0dh): end of packet 2) the monitor replies a data for confirmation. Header message check code delimiter soh-'0'-'0'-'a'-'b'-'1'-'8' stx-'c'-'3'-'1'-'4'-st-pg-on hours-on min-off hours-off min-nput-wd-fl-etx bcc cr header soh (01h): start of header '0' (30h): reserved '0' (30h):...

  • Page 27

    (27/37) 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(30h):once 1(31h):everyday bit 1: 0(30h):once 1(31h):every week bit 2: 0:disable 1:enable...

  • Page 28

    (28/37) 'b' (42h): message type is "command reply" '0'-'c' (30h, 43h): message length. Message stx (02h): start of message 'c'-'2'-'1'-'5' (43h, 32h, 31h, 35h): schedule writes command st: schedule status command 0(30h):no error 1(31h):error pg-en: schedule data pg: program no. '0'-'0'(30h, 30h): pr...

  • Page 29

    (29/37) 'a' (41h): monitor id lcd3215/lcd4215 must be ascii 'a' (41h). 'b' (42h): message type is "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 '2' and '0' (34h and 3...

  • Page 30

    (30/37) 'a' (41h): monitor id lcd3215/lcd4215 must be ascii 'a' (41h). 'b' (42h): message type is "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 '2' and '0' (32h and 3...

  • Page 31

    (31/37) data(0) -data(1)----data(n):model name the data must be ascii characters strings. 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 (0dh): end of packet.

  • Page 35

    (35/37) item op code page op code parameter remarks gamma selection 02h 68h gamma table selection 1: native gamma 4: gamma=2.2 8: gamma=2.4 7: s gamma scan mode 02 ｈ e3h 1: underscan 2: over scan scan conversion 02h 25h 1: off(interlace) 2: enable (ip on/progressive) film mode 02h 23h 1: off 2: auto...

  • Page 36

    (36/37) item op code page op code parameter remarks pip input 02h 73h 0: no mean 1: rgb-2(d-sub) 2: rgb-3(bnc) 3: rgb-1(dvi-d) 12:dvd/hd 5:video(composite) 7: s-video this operation has limitation of selection. Please refer to the monitor instruction manual. Still capture 02h 76h 0: off 1: capture m...

  • Page 37

    (37/37) all data are subject to change without notice. Copyright 2004-2006 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...