Casio XJ-H1700 User Guide - Page 60
Projector RS-232C Control, Connecting the Projector to a Computer
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Projector RS-232C Control You can use a commercially available serial cable (cross) to connect the projector to a computer and control the projector from the computer. Connecting the Projector to a Computer Connect the projector to the computer as shown in the illustration below. Projector Serial port (RS-232C) D-Sub 9-pin (female) Computer D-Sub 9-pin (female) Commercially available serial cable (cross) Serial port* * A D-Sub 9-pin (male) type connector is standard for computer serial ports, but there may be cases where the shape of a particular computer's connector is different. For details about connecting a commercially available serial cable to your computer, see the user documentation that comes with it. Using Control Commands This section explains the commands that are used to control the projector from a computer. Command Send Format Communication Protocol Read Command Configure your computer's serial port with the following settings. Data Rate 19200bps Data Bit 8bit Parity None Stop Bit 1bit Flow Control None Send this command when you want information about the current setup of the data projector. Send Format (?) Receive Format (,) Command Send Example ( V O L ? ) sent from the computer to the projector. 4 Write Command ( 0 - 3 0 , 1 5 ) returned from the projector to the computer. Send this command to control the data projector (power on/off, etc.) and to write data to it. Send Format () Command Send Example ( V O L 0 ) sent from the computer to the projector. 4 Projector volume setting becomes 0 (mute). 60
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