Instruction/ maintenance manual of the product EX321U-ST Mitsubishi Electronics
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1 DLP Projector EX320U/EW330U/EX320U-ST/EX321U-ST/EW331U-ST Contr olling the pr ojector using a per sonal computer This projector can be controll ed by connecting a pe rsonal computer with RS-232C ter minal.
2 2. Contr ol command configuration Th e co mm a nd co ns is ts of the addr ess code, fu ncti on cod e , data code, A CK/ NAK , an d en d code. T he le ng th of the com- ma nd varies am on g the funct ions. [A ddre ss co de] Fixed to 00 . (‘ 3 0h’ ‘3 0h’ in the ASCI I code) [F unc tion co de] Co de un iq ue to ea ch con tro l op eration.
3 [Exam p le 1] T ur ni ng ON the power . (V al ues en cl osed in quotat io n mar ks are ASCI I co de s.): [Exam p le 2] Sel e cti ng VIDEO as the in put si g nal dur ing au to po si tion in g (V al ues en cl osed in quotat io n marks are ASCII codes.
4 [RS-232C contr ol flowchart] Sending out command OK NG END NAK returned Command sending fails. No NAK returned ST ART Command is sent successfully . Command is executed successfully . Awaiting response from projector Command is sent successfully . Command execution fails.
5 4. Command list 4.1 Operation commands Th e o pe rat ion com m an ds are used for the ba sic operati on se tting of th is pr oj ector . Th ey ma y no t be e xecuted wh ile t he sign a ls are ch a ng ed. Th e o pe rat ion com m an ds hav e no da ta co des.
6 4.3 Remote commands (Not executable in stand-by mode.) The remote commands allow the computer to control the projector in the same way as by the remote control.
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