User Manual

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3
Note:
Make sure that your computer and projector are turned
off
before connection.
Power on the computer first, and then plug the power cord of the projector.
(It may cause Com port incorrect function, if you do not follow this instruction)
Adapters may be necessary depending on the PC connected to this projector.
3. Interface Settings
RS-232
protocol
Baud Rate 115200 bps (default)
Changeable(2400/4800/9600/14400/19200/38400/57600/115200)
Setting in OSD menu
Data Length 8 bit
Parity Check None
Stop Bit 1 bit
Flow Control None
Software specification
1. Each input character will be echoed and All the echo text will be same with the
command you execute except query command
2. When give “Enter”(ASCII 13), it will echo 3E,00. It means projector is ready to accept
RS-232 command.
3. If no any command, it should echo 0D,0A,00 after 5 seconds.(5 sec time out)
4. If the command format is illegal, it will echo “Illegal format”.
5. If the command format is correct, but it is not valid for this model, it will echo
“Unsupported item”.
6. If the command format is correct, but can’t be execute in some condition, it will echo
“Block item”.
Note: 1.Item 5 and item 6 is not support at power saving mode (standby power < 1W).
2.Each input upper case and lower case character should be action.
7. all of status command and power on command should be action when low power
mode(<0.5W)
8.support volume bar display
9.if system have Lan over Rs232 function, The RS232 command can be support.