Projector LG Minibeam User Manual

121EXTERNAL	CONTROL	DEVICE	SETUP
EXTERNAL	CONTROL	DEVICE 	
SETUP
Connect the RS-232C (serial connector) of the PC to the RS-232C connector at the back of the Projector.
You need to purchase a cable to connect the RS-232C connectors as it is not provided as an accessory.
Use a RS-232C cable to remotely control the Projector (see Figure 1). 
(Projector)
(PC)
RS-232C IN
Figure	1: RS-232 Connection Diagram
PC Projector
96
5 12
3
4
5
6
7
82
3
4
5
6
7
8RXD
TXD
DTR
GND
DSR
RTS
CTSRXD
TXD
DTR
GND
DSR
RTS
CTS
*...

122EXTERNAL	CONTROL	DEVICE	SETUP
Communication	Parameters
Baud rate : 9600 bps (UART)
Data length : 8 bits
Parity : None
Stop bit : 1 bit
Communication code : ASCII code
Use a crossed (reverse) cable.
Command	reference	list
Command1Command2Data
(Hexadecimal)
01. Power*ka00 to 01
02. Aspect Ratiokc125 page
03. Screen Mutekd126 page
04. Volume Muteke00 to 01
05. Volume Controlkf00 to 64
06. Contrastkg00 to 64
07. Brightnesskh00 to 64
08. Colorki00 to 64
09. Tintkj00 to 64
10. Sharpnesskk00 to 32
11. OSD...

123EXTERNAL	CONTROL	DEVICE	SETUP
Transmission	/	Receiving	Protocol
Transmission
[Command1][Command2][ ][Set ID][ ][Data][Cr]
[Command 1] : First command to control the Projector. (j, k, m or x)
[Command 2] : Second command to control the Projector.
[Set ID] :  You can adjust the [Set ID] to choose desired projector ID number in option menu. Adjustment range in Projector is 1 to 99.  If [Set ID] value is selected to ‘0’, every connected set can be controlled. *  [Set ID] is indicated as decimal (1 to 99)...

124EXTERNAL	CONTROL	DEVICE	SETUP
Real	data	mapping	(Hexadecimal	→	Decimal)
•	When you enter the [data] in hexadecimal, refer to following conversion table.
•	Channel Tune (ma) Command uses two-byte hexadecimal value([data]) to select channel number.
00 : Step 032 : Step 50 (Set ID 50)   FE : Step 254
01 : Step 1 (Set ID 1)33 : Step 51 (Set ID 51)   FF : Step 255
.........
0A : Step 10 (Set ID 10)63 : Step 99 (Set ID 99)01 00 : Step 256
.........
0F : Step 15 (Set ID 15)C7 : Step 19927 0E : Step 9998
10 :...

125EXTERNAL	CONTROL	DEVICE	SETUP
* Commands may work differently depending on model and signal.
01. Power (Command: k a)
 ►To control Power *On or Off of the set.
Transmission [k][a][  ][Set ID][  ][Data][Cr]
Data 00 : Power Off  01 : *Power On
Ack [a][ ][Set ID][ ][OK/NG][Data][x]
 ►To Show Projector is Power On or *Off
Transmission [k][a][ ][Set ID][ ][FF][Cr]
Ack [a][ ][Set ID][ ][OK][Data][x]
* Similarly, if other functions transmit ‘FF’ data based on this format, Acknowledgement feedback presents...

126EXTERNAL	CONTROL	DEVICE	SETUP
03. Screen Mute (Command: k d)
 ►To select screen mute on/off.
Transmission [k][d][ ][Set ID][ ][Data][Cr]
Data
00 :  Screen mute off (Picture on) Video mute off
01 : Screen mute on (Picture off)
10 : Video mute on
Ack [d][ ][Set ID][ ][OK/NG][Data][x]
* In case of video mute on only, Projector will display On Screen 
Display(OSD). But, in case of Screen mute on, Projector will not display OSD.
04. Volume Mute (Command: k e)
 ►To control volume mute on/off. You can also...

127EXTERNAL	CONTROL	DEVICE	SETUP
06. Contrast (Command: k g)
 ►To adjust screen contrast. You can also adjust contrast in the PICTURE menu.
Transmission [k][g][ ][Set ID][ ][Data][Cr]
Data Min :  00 to Max : 64
Ack [g][ ][Set ID][ ][OK/NG][Data][x]
07. Brightness (Command: k h)
 ►To adjust screen brightness. You can also adjust brightness in the PICTURE menu.
Transmission [k][h][ ][Set ID][ ][Data][Cr]
Data Min :  00 to Max : 64
Ack [h][ ][Set ID][ ][OK/NG][Data][x]
08. Color (Command: k i)
 ►To adjust...

128EXTERNAL	CONTROL	DEVICE	SETUP
10. Sharpness (Command: k k)
 ►To adjust the screen sharpness. You can also adjust sharpness in the PICTURE menu.
Transmission [k][k][ ][Set ID][ ][Data][Cr]
Data Min :  00 to Max : 32
Ack [k][ ][Set ID][ ][OK/NG][Data][x]
11. OSD Select (Command: k l)
 ►To select OSD (On Screen Display) on/off when controlling remotely.
Transmission [k][l][ ][Set ID][ ][Data][Cr]
Data 00 :  OSD off  01 : OSD on
Ack [l][ ][Set ID][ ][OK/NG][Data][x]
12. Remote Control Lock Mode (Command:...

129EXTERNAL	CONTROL	DEVICE	SETUP
13. Balance (Command: k t)
 ►To adjust balance. You can also adjust balance in the AUDIO menu.
Transmission [k][t][ ][Set ID][ ][Data][Cr]
Data Min :  00 to Max : 64
Ack [t][ ][Set ID][ ][OK/NG][Data][x]
14. Color Temperature (Command: k u)
 ►Adjusts the value of color temperature.
Transmission [k][u][ ][Set ID][ ][Data][Cr]
Data
00 : Medium  01 : Cool
02: Warm 04: Natural
* Data 03 is not used.
Ack [u][ ][Set ID][ ][OK/NG][Data][x]  

130EXTERNAL	CONTROL	DEVICE	SETUP
15. Equalizer (Command : j v)
 ►Adjust EQ of the set.
Transmission [j][v][ ][Set ID][ ][Data][Cr]
00000 00 0
MSB
Frequency DataLSB
765Frequency43210Step
0001st Band000000(decimal)
0012nd Band000011(decimal)
0103rd Band..................
0114th Band1001119(decimal)
1005th Band1010021(decimal)
Ack [v][ ][Set ID][ ][OK/NG][Data][x]
* It depends upon model, and can adjust when sound mode is EQ adjustable value.