Melco HC2000 User Manual

HOME THEATER DLP™ PROJECTOR

HC2000

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

• Menu setting

Connection

DVI

Y

Cb/Pb Cr/Pr VIDEO

B(Cb/Pb) R(Cr/Pr) H/HV V

G(Y)

RS-232C cable

RS-232C

S-VIDEO

to SERIAL port

to RS-232C terminal

D-SUB 9P D-SUB 9P

Important:

• Adapters may be necessary depending on the PC connected to this projector. Contact your dealer for details.

• Make sure that your computer and projector are turned off before connection.

• Turn on the personal computer and put the control software in the standby state before turning on the projec-

tor.

• This projector uses RXD, TXD and GND lines for RS-232C control.

• For RS-232C cable, the reverse type cable should be used.

1) Communication setting

Connection settings Value

Baud Rate 9600 [bps]

Data Bits 8 [bits]

Parity None

Stop Bits 1 [bit]

Flow Control None

Emulation settings Value

Emulation ANSI

ASCII settings Value

ASCII sending

Sending line ends with line feeds Enable

Echo typed characters locally Enable

Line delay (milliseconds) 400

Character delay (milliseconds) 0

ASCII Receiving

Append line feeds to incoming line ends Disable

Force incoming data to 7-bit ASCII Disable

Wrap lines that exceed terminal width Enable

1

2) Power-On command

The command consists of the command code only.

Control command List

Command code Command Description
OKOKOKOKOK Power ON

[Example] When turning the power ON:

Control commands Description

'O' 'K' 'O' 'K' 'O' 'K' 'O' 'K' 'O' 'K' Command for POWER ON

(From PC to Projector)

• Send the Power-On command immediately after turning on the main power switch of the projector. The
Power-On command will not accepted if it is sent after other command or a press of the return key. In this
case, turn off and on the main power switch and then send the Power-On command.

• The acknowledgment command is not appeared for Power-On command.

3) Control command

The command consists of the header code, address code, string code, and command code.

Control command Syntax (From PC to Projector)

[H][S][A][S][STRING][S][COMMAND][<CR>]

Field Description Contents

[H] Header

[A] Address code

[STRING] Command head

[COMMAND] 3 digits command code 3 digits (Show below)

[<CR>] Terminator code Carriage Return

[S] SPACE code

'*'

'0'

'

I' 'R

' '

'

Control Commands List

Command code Command Description
002 OFF button
003 SOURCE button
004 AUTO (AUTO POSITION) button
008 MENU button
009 Up ({) button
010 Down (}) button
011 Right (%) button
012 Left ($) button
013 ENTER button
014 DVI-D button
015 DVI-A button
016 COMP (COMPONENT) button
017 BNC button
018 S-Video button
019 Video button

Acknowledgments commands (From Projector to PC) format

Return command Description

Receive OK <CR><LF> Projector receive the command from PC properly

Unknown Command <CR><LF> Projector receive unknown from PC properly

Invalid Command <CR><LF> Projector receive invalid command from PC

• The RS-232C commands of this projector basically have the same functions as those of the remote control

(with some exceptions). To turn off the power, send the Power Button command twice as in the case of
remote control.

[Example] When setting the input signal to S-Video.

Control commands / Acknowledgment commands Description

'*' ' ' '0' ' ' 'I' 'R' ' ' '0' '1' '8' '

'R' 'e' 'c' 'e ' 'i' 'v' 'e' ' ' 'O' 'K' '

<CR>

' Command for setting the input signal to S-video

<CR>''<LF>

' Command receipt confirmation

2

(From PC to Projector)

(From Projector to PC)