Instruction/ maintenance manual of the product UD740U Mitsubishi Electronics
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1 M ODEL UD740U C o nt ro llin g th e pr o je c to r u s i ng a pe r so n al c o mp u t er This projector can be controlled by connecting a personal com puter w ith RS -232 C terminal.
2 2. Control comman d co n figur atio n The comm and consists of the ad dress code, function code, data code, ACK/NAK, an d end code. T he length of the command vari e s a m ong the functions.
3 [Exampl e 1] T urning ON the pow er. (Values enclosed in quot ation m arks are ASCII code s.): Comm and s ent from t he PC Status code returned from the proj ec tor Des cri ption ‘30’ ‘30 ’ .
4 ［ RS-232C control flow char t ］ ［ M ethod of c hecking state of projector ］ [Com pat i bility with the former m odels] To use the RS-232 C comm ands de sig ne d for the form er models of Mitsub ishi projector, b y inputting “00COMM A ND0”, the projector responds in the sa me w ay as the former models.
5 4. Command list 4.1 Op e ration commands The o p e r at ion co mmand s a re u sed for the basi c o p e ration sett i n g o f th is proje ctor. The y may not be execut ed while the s ignals are changed. The o perat i on co mman d s h a v e no data codes.
6 Use the following co mm ands to o btain other inform at ion. Functio n ITEM Char acte r ASCII Data (Receive) Model nam e vMDL 76h 4Dh 44h 4Ch ***** * **********(within 16 characters) Proj e ctor sta.
7 [Exampl e] W hen displ ay ing th e MENU selection bar. ( Va lues enclosed in quota tion m arks are ASCII codes.): Comm and s ent from t he P C, etc. Stat us code returned from the proj ec t or Descr.
8 Function ITE M Character ASCII Data Audio I nput AUDI O 41h 55h 44h 49h 4Fh 0 ( A uto), 1 ( Aud i o1 ), 2 ( A ud io2) , 3 (A ud io3) , 4 (M ix) Lamp Mode LM 4Ch 4Dh 0 (St and ard), 1 (Low ) Standby .
9 4.7 Passw ord lock co m mands The passw o r d lock co mm ands control the passw ord lock. T he passw ord lock enabling or disabling co mmand is sent with a 4-digit p ass w ord comprised of any f igures 1 to 4 added to the end of the data code.
10 5. Executio n procedur e of RS -232C comman ds via LAN W hen the RS-232 C comm an d is execute d vi a LAN, a 32 - byte connection certif ication da ta must b e a dded befor e the RS-232C command. To create a 32-b y te c ertifi cation data , follow ing inform ation and pr oce dure are required.
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If you already are a holder of Mitsubishi Electronics UD740U, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Mitsubishi Electronics UD740U.
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