NEC RS-232C manual

(1/5 0) Externa l Con trol N E C L C D M onit or 1. Ap p li cation This docu me nt defin es the commun ic atio ns m etho d f or control of the NEC LCD monitor , Mult iSync X4 61UN /X4 61HB /X4 31BT /P4 01 /P461 /P52 1 /P701 /S40 1 /S461 /S5 21 and MULTE OS M401 /M 461 /M52 1 when using an extern al c ontrol ler . 2. Con nector s and wir ing 2.1 RS [...]

(2/5 0) 4. Co mmuni cat ion Format The co mman d pack et con s ists of f our parts, Hea der, Me ssag e, Che ck c ode an d Del imiter . Seq uence of a typic al p rocedur e to contr ol a monito r is as fo llow s, [A contro ller and a mon itor, t wo-w ay com muni cation comp ositio n fi gure] 4. 1 H eader block f ormat (fi xed l ength) 1 st byte) SOH:[...]

(3/5 0) 2 nd by te) R es erv ed: R es e rved for fu ture exten sion s. On this m onit or, it mus t be AS CII '0'(30 h). 3 rd byte ) Dest inat ion: D estin ation equi pment ID. (Receiv er) Spe cify a com mands rece iver ’ s ad dres s. The contr olle r sets the “ MONIT OR I D ” or “ G ROUP ID ” of the monit or c ontrol led i n he [...]

(4/5 0) 5 th by te) M es sag e T yp e: (Case sensi tive .) Refe r to s ec tion 4 .2 “ Messag e bloc k fo rmat ” for more de tail s. ASC II 'A' (41 h): Co mman d. ASC II 'B' (42 h): Co mman d reply . ASC II 'C' (43 h): Ge t cu rrent p aram eter f rom a monit or. ASC II 'D' (44 h): "G et p aramete r&qu[...]

(5/5 0) Me ssa ge fo rm at of th e “ Set p aram eter ” is a s foll ows,  Refe r to s ec tion 5 .3 “ Set pa ramete r ” for more detai ls. 4 ） Set Param eter reply The monit or r eplies wit h this mess age fo r a confirm atio n of t he “ Se t para meter mes sage ” . Mess age format of the “ Se t pa ramete r re ply ” is as fo llow[...]

(6/5 0) Foll ow ing is an ex ampl e of a Che ck c ode (B CC) calcula tion . Che ck cod e (B CC) D 17 = D 1 xor D 2 xor D 3 xor … xor D 14 xo r D 15 xo r D 16 = 3 0 h x o r 4 1 h x o r 3 0 h x o r 4 5 h x o r 3 0 h x o r 4 1 h x o r 0 2 h x o r 3 0 h x o r 3 0 h x or 31h xor 30h xo r 30 h x o r 3 0 h x o r 3 6 h x o r 3 4 h x or 03h = 7 7 h 4 . 6 [...]

(7/5 0) 5. Me ss age type 5.1 Ge t cu rr ent Parameter from a m onitor. Send t his me ssag e when you want to g et the sta tus of a mo nitor. For the stat us tha t you want to ge t, spe ci fy the “ OP code pa ge ” t he “ OP code ” , refe r to “ App endix A. O pe rati on cod e tabl e ” . 1 st byt e) STX : Star t of Message ASC II STX (02[...]

(8/5 0) Thes e byte s indi ca te a result of the reque sted comman ds a s foll ows, 00h: N o Er ro r. 01 h: Unsupp orte d o pe rati on with this mo nito r or unsu p port ed operat ion und er cur r ent cond ition. Thi s resu lt c ode fr om t he moni tor is enc oded to ASC II c haract ers. Ex. ) The byte data 01h is enco ded to ASC II c haracte r &ap[...]

(9/5 0) This O P co de pag e data must be e ncod ed to ASCI I chara cter s. Ex. ) The byte data 02h must be enc oded t o AS CII '0' and '2' ( 30h and 32 h). Ref er to the Operat ion code ta ble. 4 th -5 th byte s) OP code : Oper atio n code Thi s OP c ode data m ust be enco ded to ASC II c haracte rs. Ex. ) OP c ode 1Ah -> OP[...]

(1 0/5 0) ASCI I '0'' 0' (30 h, 30h ) : Set par amet er ASC II '0' '1' (30h, 31h) : Momen tary Lik e Auto Set up fun ctio n, that aut omatic ally change s th e para mete r. 10 th -13 th byte s) Max . va lue: M axim um val ue t hat mo nitor can a ccep t. (16 bits ) Rep ly dat a fr om the mon itor is enc oded t[...]

(1 1/5 0) Bit 5- 2 R e s e r v e d ( D o n ' t c a r e ) B i t 1 1 : P o s i t i v e H o r i z o n t a l s y n c p o l a r i t y . 0 : N e g a t i v e H o r i z o n t a l s y n c p o l a r i t y . B i t 0 1 : P o s i t i v e V e r t i c a l s y n c p o l a r i t y . 0:Ne ga tive V erti ca l sy n c polarit y.  H F req: H oriz ontal Freq uenc[...]

(1 2/5 0) Chec k code BC C: Blo ck C hec k C od e R e f e r t o t h e s e c t i on 4.5 “ Che ck cod e ” for a BCC calc ulatio n. Del imiter CR (0Dh): End of pa cket Ste p 2. Th e monitor rep lies with curren t Bright ness setting and capabili ty to s uppor t this operat ion. Head er SOH (01h) : St art Of Hea der '0' (30h) : Re served [...]

(1 3/5 0) CR (0 Dh) : En d o f p ac ke t Step 4 . Th e moni to r re p lies with a m essage for confir mati on. Head er SOH (01h) : St art Of Hea der '0' (30h) : Re served '0' (30h) : Me ssage rece iver is the contr olle r. Mon itor I D: I ndicat e a replyin g Mo nitor ID. Ex. ) When thi s byte is set to 'A', the r eply[...]

(1 4/5 0) The fo llow in g sh ow s th e procedur e fo r read ing the tem pera tures from the s ensor s. Ste p 1. S elec t a te mper ature s enso r whic h yo u want to r ead. Head er SOH (01h) : St art of Hea der '0' (30h) : Re served Mon itor I D: S pecify the Monito r ID which you want t o ge t a va lue. Ex. ) If M onit or ID is ' 1[...]

(1 5/5 0) De lim ite r CR (0 Dh) : En d o f p ac ke t Step 3 . Th e cont ro ller requests the monito r to send t he t empera ture from the s electe d se nsor. Head er Mess ag e Chec k code Del imiter SOH -'0'-M onit or ID- '0'- 'C'-'0' -'6' STX-'0' -'2'-' 7'-' 9&ap[...]

(1 6/5 0) Chec k code BC C: Blo ck C hec k C od e R e f e r t o t h e s e c t i on 4.5 “ Che ck cod e ” for a BCC calc ulatio n. Del imiter CR (0Dh): End of pa cket 7. Power con tro l pr ocedure 7.1 Pow er sta tus r ead 1) T he con tr olle r requ e sts the m onit or to repl y a cur rent power sta tus. Head er Mess ag e Chec k code Delimi ter SO[...]

(1 7/5 0) 0001 : ON 0002 : Stan d- by ( po wer s ave) 000 3: Sus pend (powe r sa ve) 000 4: OFF (sa me as IR p ower of f) ETX (03h) : En d of M essa ge Chec k code BCC : Bloc k Ch eck Co de R e f e r t o t h e s e c t i on 4. 5 “ C heck c ode ” f or a BC C ca lculat ion. Del imiter CR (0Dh): End of pa cket 7. 2 P ow er con trol 1) The controlle[...]

(1 8/5 0) '0'- '0 ' (3 0h , 30 h) : Re s ult code. N o e r r o r . ' C ' - ' 2 ’ , ' 0 ' - ' 3 ' - ' D ' - ' 6 ' (43h, 32 h, 3 0h, 33 h, 4 4h, 36h ): p ower c ontr ol rep ly co mmand  The monit or r eplies sam e as po wer contro l co mmand t o th e cont roll er. '0[...]

(1 9/5 0) 'B' (4 2h): M essa ge typ e is "Comm and reply" N-N : Mess age length Ex. ) The byte data 20h is enco ded to ASC II c haracte rs ' 2' and '0' (32h and 3 0h). Not e.) Th is l ength incl udes ST X an d ETX. Mes sage STX (02h) : St art of Mes sage 'C'- '1'-'0 '-'B &ap[...]

(2 0/5 0) No te .) Th e maxi mu m data le ng th that can be writt en to the monit or at a t ime is 32bytes. Ex. ) The byte data 20h is enco ded as ASC II c haracte rs ' 2' and '0' (34h and 3 0h). Mes sage STX (02h) : St art of Mes sage '0' -'0': Resu lt cod e. N o error . 'C'- '0'-'0 [...]

(2 1/5 0) 'C'- '3'-'1 '-'1 ' ( 4 3 h , 3 3 h , 3 1 h , 3 1 h ) : D a t e & T i me read rep ly com mand 'YY '-'MM' -'DD '-'WW' -'HH '-'MN'- 'DS' : Date & T ime dat a YY: Ye ar ( of fset 2 000) '0'-'0' (30h , 30h) [...]

(2 2/5 0) Me ssa ge STX (0 2h): S tart o f Me s sage 'C'- '2'-'1 '-'2 ' ( 4 3 h , 3 2 h , 3 1 h , 3 2 h ) : D a t e & T i me writ e co mmand 'YY '-'MM' -'DD '-'WW' -'HH '-'MN'- 'DS' : Date & T ime dat a YY: Ye ar ( of fset 2 000) &a[...]

(2 3/5 0) ST: Da te & T ime St atus command '0' -'0'(3 0h, 30h): No e rror '0' -'1'(3 0h, 31h): Erro r 'YY '-'MM' -'DD '-'WW' -'HH '-'MN'- 'DS' : Date & T ime dat a YY: Ye ar ( of fset 2 000) '0'-'0' (30h , 30h) [...]

(2 4/5 0) '0 '-' 8'( 30 h, 38 h): M es sag e le ngt h M e s s a g e STX (0 2h): S tart o f Me s sage 'C' -'2'-' 2'-' 1' (43 h, 3 2h, 32h , 31 h): Sc hedu le read req uest c omma nd. PG: Progr am N o.  The data must be AS CII charact ers string s. ETX (03h) : En d of M essa ge Chec k cod[...]

(2 5/5 0) '0 '-' 1'( 30 h, 31h ): VG A '0 '-' 2'( 30 h, 32h ): RG B/ HV '0 '-' 3'( 30 h, 33h ): DV I '0 '-' 5'( 30 h, 35h ): Vi de o1 '0 '-' 6'( 30 h, 36h ): Vi de o2 '0 '-' 7'( 30 h, 37h ): S- Vi deo '0'- 'A '[...]

(2 6/5 0) Chec k code BC C: Blo ck C hec k C od e R e f e r t o t h e s e c t i on 4.5 “ Che ck cod e ” for a BCC calc ulatio n. Del imiter CR (0Dh): End of pa cket ***Following command also can be used for to keep backward compatibility, in order to read the setting of the Schedule. 1) T he con tr olle r requ e sts the m onit or to read Schedu[...]

(2 7/5 0) '0 '-' 0'( 30 h, 30 h): 0 0 | '1'- '7 '(31 h, 37h ): 23 ( =17h) '1' -'8'(3 1h, 38h): ON t imer is n't set. ON_ MIN: Tur n on time (min ute) '0'- '0 '(30 h, 30h ): 0 | '3' -'B'(3 3h, 42h): 59 '3' -'C'(3 3h, 43h): On [...]

(2 8/5 0) This command is used in order to write the setting of the Schedule. 1) The controller requests the monitor to write Schedule. Head er Mess ag e Check co de Deli miter SOH- '0 '-Mo ni tor ID -'0' - 'A'-'2'-' 6' STX -'C'-' 2'-' 2'-'2' -PG- ON HOUR -ON [...]

(2 9/5 0) WD: We ek s et ting bi t 0 : M on da y bit 1: Tue sd ay bit 2: Wed ne sday bi t 3 : T hu rs day bi t 4 : F ri da y bi t 5 : S at ur day bi t 6 : S un da y EX . '0 '-' 1'( 30 h, 31 h): M on day '0'- '4 '(30 h, 34h ): Wed n esday '0' -'F'(3 0h, 46h): Mond ay, Tue sday , Wedn esda y[...]

(3 0/5 0) 2) T he mon it or r ep lies a data fo r co nfirma tion . Head er Mess ag e Chec k code Del imiter SOH -'0'-' 0'-M onitor ID-'B'-' 2'-' 8' STX -'C'-' 3'-' 2'-'2' -ST- PG-ON HOUR- ON MIN- OFF HOUR- OFF MIN-IN PUT- WD-FL-P MOD E- EXT 1-EXT2 -EXT 3-EXT4 [...]

(3 1/5 0) bit 1: Tue sd ay bit 2: Wed ne sday bi t 3 : T hu rs day bi t 4 : F ri da y bi t 5 : S at ur day bi t 6 : S un da y EX . '0 '-' 1'( 30 h, 31 h): M on day '0'- '4 '(30 h, 34h ): Wed n esday '0' -'F'(3 0h, 46h): Mond ay, Tue sday , Wedn esda y and T hurs day '7' -'F&[...]

(3 2/5 0) SOH (0 1h): S tart O f He a der '0' (30h) : Re served Mon itor I D: S pecify the Monito r ID of wh ich you wan t to chang e a settin g. Ex. ) If M onit or ID is ' 1', spe cify 'A'. '0' (30h) : Me ssage send er is t he c ontrol ler. 'A' (41h) : Me ssage type is "Co mman d". '[...]

(3 3/5 0) ***Following command also can be used for to keep backward compatibility, in order to write the setting of the Schedule. 1) The controller requests the monitor to write Schedule. Head er Mess ag e Check co de Deli miter SOH- '0 '-Mo ni tor ID -'0' - 'A'-'1'-' 6' STX -'C'-' 2[...]

(3 4/5 0) bi t 4 : F ri da y bi t 5 : S at ur day bi t 6 : S un da y EX . '0 '-' 1'( 30 h, 31 h): M on day '0'- '4 '(30 h, 34h ): Wed n esday '0' -'F'(3 0h, 46h): Mond ay, Tue sday , Wedn esda y and T hurs day '7' -'F'(3 7h, 46h): Mond ay to S unda y FL: Op tion bit 0: [...]

(3 5/5 0) | '1'- '7 '(31 h, 37h ): 23 ( =17h) '1' -'8'(3 1h, 38h): Off timer i sn't set. OFF _MIN: Turn off tim e (min ute) '0'- '0 '(30 h, 30h ): 0 | '3' -'B'(3 3h, 42h): 59 ( =3Bh) '3' -'C'(3 3h, 43h): Off timer i sn ’ t set. INPU T: Tim er [...]

(3 6/5 0) PG-E N: Ena bl e/Di sa ble S chedule d ata PG: Progr am N o. '0' -'0'(3 0h, 30h): Prog ram No. 1 | '0' -'6'(3 0h, 36h): Prog ram No. 7 EN: Enabl e /D isable '0' -'0'(3 0h, 30h): Disa ble '0' -'1'(3 0h, 31h): Enab le ETX (03h) : En d of M essa ge Chec k code BC[...]

(3 7/5 0) SOH (0 1h): S tart o f He a der '0' (30h) : Re served Mon itor I D: S pecify the Monito r ID which you want t o ge t stat us. Ex. ) If M onit or ID is ' 1', spe cify 'A'. '0' (30h) : Me ssage send er is t he c ontrol ler. 'A' (41h) : Me ssage type is "Co mman d". '0' -&[...]

(3 8/5 0) 12. S erial N o. & M odel Name Read 12. 1 Se ria l No. R ead This command is used in order to read a serial number. 1) T he con tr olle r requ e sts the m onit or to read a seri al n umber. Head er Mess ag e Chec k code Del imiter SOH -'0'-M onit or ID- '0'- 'A'-'0' -'6' STX -'C&a[...]

(3 9/5 0) SOH- '0 '-Mo ni tor ID-' 0'- 'A'-'0' -'6' STX- 'C '-'2 '- '1'- '7 '-ET X BC C CR Head er SOH (01h) : St art Of Hea der '0' (30h) : Re served Mon itor I D: S pecify the Monito r ID which you want t o ge t Mode l Na me. Ex. ) If M onit or ID [...]

(4 0/5 0) 1) T he con tr olle r requ e sts the m onit or to set the con diti on of secu rity l ock. Head er Mess ag e Che ck cod e Del imiter SOH -'0'-M onit orID-' 0'-' A'-'1'- '0' STX -'C'-' 2'-' 1'-'D' -EN- P1-P2-P 3-P4 -ETX BCC CR Head er SOH (01h) : St ar[...]

(4 1/5 0) 'C'- '3'-'1 '-'D ' ( 4 3 h , 3 3 h , 3 1 h , 4 4 h ) : S e c u r i t y Lock Co ntro l repl y co mmand ST- EN: Lo ck c onditi on r esult d ata ST: St atus '0' -'0'(3 0h, 30h): No e rror '0' -'1'(3 0h, 31h): Erro r EN: Enabl e /D isable (Cu rrent c ondi tion) &a[...]

(4 2/5 0) A ppendix A. Opera tion Code (OP code) Table Item OP code page OP c ode Pa rame ter Rema rks Brig htn e ss 00 h 10 h 0: dar k | 100( 64 h): br ight Cont ra st 00h 12h 0: low | 100( 64 h): hi gh Shar pne s s 00h 8C h 0: d ull | 82(5 2h ): s ha rp Blac k L e vel 00h 92 h 0: d ark | 63(3 Fh) : br i ght Tint 00h 90 h 0: pur pl ish | 63(3 Fh) [...]

(4 3/5 0) It em OP co de page OP co de Pa ra me ter Re ma rk s Am bie nt Br igh tne ss Lo w 10 h 3 3h 0: da rk | 100( 64 h): br ight Am bie nt Br igh tne ss High 10 h 3 4h 0: da rk | 100( 64 h): br ight Ge t Cu rre nt Il lum ina nc e 02h B4h 0: | Max. Re ad onl y Am bie nt Br igh t Se nso r R ea d 02h B5h 0: | 255( FF h) Re ad onl y Me nu tre e re [...]

(4 4/5 0) It em OP co de page OP co de Pa ra me ter Re ma rk s Zo om V-Po si tion 02h CD h 0: D ow n si de | Ma x.: Up s id e Aspe ct 02h 70h 1: N orma l 2: Fu ll 3: Wi de 4: Zo om 5: Tr im Wi de: A/ V mod e onl y (e xc. X4 31 BT) No t av ai la ble (X43 1B T) Tr im: X4 31B T o nl y Me nu tre e re set (Adj us t) 02 h C Bh 0: No ne 3: R es et A dj us[...]

(4 5/5 0) It em OP co de page OP co de Pa ra me ter Re ma rk s PIP Mo de 02h 72h 1: O ff 2: P IP 3: P OP (4: St ill) 5: Si de by s ide (asp ec t) 6: Si de by s ide (Ful l) 7: PO P a sp ec t M ain 8: PO P a sp ec t S ub POP: Si de by si de (a spe ct) : No t av ai la ble on X4 31B T PO P a sp ect Main : PO P a sp ect Su b: X4 31B T o nl y PIP Si ze 0[...]

(4 6/5 0) It em OP co de page OP co de Pa ra me ter Re ma rk s OSD Tu rn O ff 00h FCh 0- 1: Do no t se t. 2: 1 0s 3: 1 5s | 48: 24 0s 5s ec/ ste p H Posi ti on 02 h 3 8h 0: Le ft | MA X.: Ri gh t OS D Posi ti on V Posi ti on 02 h 3 9h 0: Do wn | MAX. : Up In for mat io n OSD 02 h 3D h 0: Di sa ble in for mat io n OSD 3- 10: OS D t im er [s ec ond s[...]

(4 7/5 0) It em OP co de page OP co de Pa ra me ter Re ma rk s Fa n C ont ro l 02h 7D h 0 : N on e 1: Au to( No o ffs et) 2: F or ced ON 3: Au to( of fs et -2) 4: Au to( of fs et -4) 5: Au to( of fs et -6) 6: Au to( of fs et -8) 7: Au to (o ffs et - 10) Of fse t af f ec ts to a se lec ted se nso r. Fa n S pee d 10 h 3F h 0: N one 1: Hi gh 2: L ow G[...]

(4 8/5 0) It em OP co de page OP co de Pa ra me ter Re ma rk s SY NC Terminate 02h E1h 1: H i(2. 2k ohm) 2: L o( 75oh m) DVI Mo de 02h CFh 1: D VI-P C 2: D VI -HD BNC Mo de 10h 7Eh 0: N o op er ate 1: R GB 2: C om pone nt 3: V id eo SCAR T Mode 02 h 9Eh 0: Off 1: O n HDMI S igna l 10h 40 h 0: N on e 1: E xp and 2: R aw Scan C onve rs ion 02h 25 h 1[...]

(4 9/5 0) It em OP co de page OP co de Pa ra me ter Re ma rk s Pict ur e Mo de 02h 1Ah 1: s RGB 3: H i- Brig ht 4: St and ar d 5: Ci nem a 6: I SF -Day 7: I SF -Nig ht 11 : A mbi en t- 1 12 : A mbi en t- 2 sR GB: PC m ode o nly Ci nem a: A/ V mod e onl y ISF- Da y: ISF- Ni ght: Ea ch needs an ad jus tme nt by ISF. Aspe ct 02h 70h 1: N orma l 2: Fu [...]

(5 0/5 0) All data are subject to change without notice. (Rev is ed a t Mar. 25 /201 0) Copyright 2004-2009 NEC Display Solutions, Ltd. All Right Reserved This doc u ment provides the t ec hnica l info r mation f or user s. NEC Display Soluti ons, Lt d. reserves the ri ght to ch ange or modify the information contained herein wit hout noti ce. NEC [...]