LCD Projector
HC6500
Controlling the projector using a personal computer
This projector can be controlled by connecting a personal 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
To RS-232C
terminal
Important:
• Make sure that your computer and projector are turned off before connection.
• Boot up the computer fi rst, and then plug the power cord of the projector.
(If you do not follow this instruction, the Com port may not function.)
• Adapters may be necessary depending on the PC connected to this projector. Contact your dealer for details.
1) Interface
PROTOCOL
BAUD RATE
DATA LENGTH
PARITY BIT
STOP BIT
FLOW CONTROL
This projector uses RXD, TXD and GND lines for RS-232C control.
For RS-232C cable, the reverse type cable should be used.
2) Control command diagram
The command consists of the address code, function code, data code, and end code. The length of the command
varies among the functions.
Address code
HEX
30h 30h
ASCII
'0' '0'
[Address code]
[Function code]
[Data code]
[End code]
RS-232C cable
D-SUB 9-pin
RS-232C
9600 [bps]
8 [bits]
NONE
1 [bit]
NONE
Function code
Function
Function
30h 30h (In ASCII code, '0' '0') fi xed.
A code of each fi xed control move.
A code of each fi xed control data (number) and not always indicated.
0Dh (In ASCII code, ' ') fi xed.
SERIAL
D-SUB 9-pin
Data code
End code
Data
0Dh
Data
1