Instrukcja obsługi Mitsubishi Electronics Mitsubishi Digital ElectronicsEW331U-ST

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DLP  Projector
EX320U/EW330U/EX320U-ST/EX321U-ST/EW331U-ST
Controlling the projector using a personal computer
This projector can be controll ed by connecting a pe rsonal computer with RS-232C terminal.
PC-controllable functions:
• Turning the power ON or OFF
• Changing input signals
• Inputting commands by pressing the buttons on the control panel and remote control
• Menu setting
Connection
RS-232C cable
SERIAL
RS-232C
terminal
D-SUB 9-pin D-SUB 9-pin
Important:
• Connect the computer with th

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2. Control command configuration The command consists of the address code, function code, data code, ACK/NAK, and end code. The length of the com- mand varies among the functions. Address code Function code Data code ACK/NAK End code ASCII ‘30h’ ‘30h’ Function Data ‘3Ah’ ‘4Eh’ ‘0Dh’ Character 00 Function Data :N [Address code] Fixed to 00. (‘30h’ ‘30h’ in the ASCII code) [Function code] Code unique to each control operation. [Data code] Data (value) unique to each control operation (Not always i

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[Example 1] Turning ON the power. (Values enclosed in quotation marks are ASCII codes.): Status code returned Command sent from the PC Description from the projector ‘30’ ‘30’ ‘21’ ‘0D’ Command for POWER ON 00! ‘30’ ‘30’ ‘21’ ‘0D’ Command receipt confirmation (Command 00! echo back) [Example 2] Selecting VIDEO as the input signal during au to positioning (Values enclosed in quotation marks are ASCII codes.): Status code returned Command sent from the PC Description from the projector ‘30’ ‘30’

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[RS-232C control flowchart] START Sending out command No response for No NAK returned 1 second or longer Awaiting response from projector NAK returned Command is sent successfully. Command is sent successfully. Command sending fails. Command is executed successfully. Command execution fails. Check the following. Check the following. • • Check that the function code is correct. Check that the command begins with • Check that the data code is correct. “00”. • • Check that the projector is abl

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4. Command list 4.1 Operation commands The operation commands are used for the basic operation setting of this projector. They may not be executed while the signals are changed. The operation commands have no data codes. Function ITEM Note Character ASCII POWER ON ! 21h This command is invalid during cooling after the power is turned off. POWER OFF " 22h This command is invalid during splash screen displaying after the power is turned on. INPUT COMPUTER 1 _r1 5Fh 72h 31h This command will not

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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. (Some operations cannot be controlled.) The remote commands have no data codes. Function Button’s name on remote Character ASCII +/VOLUME r06 72h 30h 36h -/VOLUME r07 72h 30h 37h r53 72h 35h 33h r2b 72h 32h 6