Casio YA-S10 User Guide - Manual (Page 14)

14
Operating the Projector System Using RS-232C
Commands
You can use a commercially available serial cable (cross) to connect a computer to the Control Box
and then use RS-232C commands to control the Projector System.
z All commands use ASCII characters and decimal format integers.
z The Control Box will return a question mark (?) when it is sent a command it cannot recognize. Also,
any command that attempts to set a value that is outside the applicable allowable range will be
ignored.
z If the Control Box is performing a process initiated by a previously sent command, a Control Box
key operation, or a remote controller key operation, send of the next command must wait until the
Control Box completes the previous process.
Command Send Format
Communication
Protocol
Configure your computer’s serial port with the following settings.
Data Rate 19200bps
Data Bit 8bit
Parity None
Stop Bit 1bit
Flow Control None
Read Command
Send this command when you want information about the current setup of the Control Box.
Send Format (?)
Receive Format (,)
Command Send Example sent from the computer to the Control Box.
4
returned from the Control Box to the
computer.
Write Command
Send this command to control the Control Box (power on/off, etc.) and to write data to it.
Send Format ()
Command Send Example sent from the computer to the Control Box.
4
Control Box volume setting becomes 0.
( V O L ? )
( 0 - 3 0 , 1 5 )
( V O L 0 )