LG Electronics USA RLJA20 LCD Projector User Manual 2

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Document ID	286044
Application ID	MVwqhaKw2xgJmgFp4MMcLg==
Document Description	Users Manual 2
Short Term Confidential	No
Permanent Confidential	No
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Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	117.85kB (1473160 bits)
Date Submitted	2002-11-26 00:00:00
Date Available	2002-11-26 00:00:00
Creation Date	2002-11-26 16:47:29
Producing Software	Acrobat Distiller 3.0 for Power Macintosh
Document Lastmod	2002-11-26 16:47:48
Document Title	Users Manual 2

Connecting to a Macintosh PowerBook
A-RGB1
CONNECTION
A-RGB2/D-RGB
RS-232C
Audio
ON
2 3 4 5 6 7 8 9
< How to connect >
a.
Connect computer cable to A-RGB1 of the projector.
b.
Set the adjusting number and letter of the Macintosh desktop adaptor in accordance with the resolution
you want to use and connect the adaptor to the Macintosh. (Refer to page 29 ~ 30)
c.
Connect the computer cable to the Macintosh desktop adaptor.
d.
Connect the audio cable of PC (LINE OUT sound port) to Audio of the projector.
31
Connecting to a wireless transmitter (option)
• When connecting the wireless transmitter with external equipments, match the colors of
connecting ports (Video - yellow, Audio(L) - white, Audio(R) -red).
• If you have a mono VCR, connect the audio cable from the VCR to the AV input of the wireless
AV transmitter.
• See the wireless transmitter-receiver operating guide for installation and connection etc.
CH3
CH1
CH2
CH
CH4
S/W

AV INPUT
INPUT 12V DC INPUT
AV OUTPUT AV
S VIDEO
OUT
(R) AUDIO (L)
VIDEO

IN
VCR
CAMCORDER
< How to connect >
a. Turn the power button of a transmitter on, and adjust desired channel with channel button and
place the wireless AV transmitter toward the wireless receiver.
b. Connect the output ports of the VCR to the AV OUTPUT port of the wireless AV transmitter.
c. Connect the adaptor to the DC input of the wireless AV transmitter .
d. Connect the power plug to the wall outlet socket after connecting the power cord to the adaptor.
32
Connecting to a wireless receiver (option)
• When connecting the wireless receiver with external equipments, match the colors of connecting
ports (Video - yellow, Audio(L) - white).
CH4
CH2
CH
CONNECTION
CH3
CH1
S/W

AV INPUT
12V DC INPUT
PO
IN
PU
ER
SE
LE
CT
VO
TT
PA
ME
NU
ER
VO
Audio
DC 12V OUT
Video
Component (DVD/DTV)
AC
PB
IN
OK
S-Video
PR

< How to connect >
a. Turn the power button of a receiver on, and adjust channel number same to the channel number of a transmitter with the channel button. Place the wireless AV receiver toward the wireless
transmitter.
b. Connect the AV input ports of the projector to the AV INPUT port of the receiver.
c. Connect the DC output of the projector to DC input of the wireless receiver with DC cable.
33
Connecting to a Video Source
* You can connect a VTR, a camcorder, a LDP or any other compatible video image source to the projector.
IN
PO
PU
ER
LE
SE
VO
EN
ER
PA
TT
VO
Video
Audio
DC 12V OUT
Component (DVD/DTV)
PB
OK
S-Video
PR
AC
IN
S VIDEO
(R) AUDIO (L)
VIDEO
OUT
IN
< How to connect 1 >
a.
Connect the AV input ports of the projector to the output ports of the A/V source with A/V cables. If you
connect the Audio(R) of external equipment with projector, you can’t hear the sound. The video cable is
yellow and the left audio is white and right audio is red.
< How to connect 2 >
b.
34
Connect S-Video input port of the projector to S-Video output port of A/V source with S-Video cable.
Connect the Audio input ports of the projector to the output ports of the A/V source with Audio cable.
* You can get better picture quality when connecting S-Video source to the projector.
Connecting to a DVD
IN
PO
CONNECTION
* The outputs(Y, PB, PR) of the DVD might be labeled as Y, Pb, Pr / Y, B-Y, R-Y / Y, Cb, Cr according to the equipments.
PU
ER
LE
SE
VO
EN
ER
PA
TT
VO
Audio
DC 12V OUT
Component (DVD/DTV)
Video
PB
OK
S-Video
PR
AC
IN
(R) AUDIO (L)
PB
PR

< How to connect >
a.
Connect the Component (DVD/DTV) ports (Y, PB, PR) of the projector to the Video output ports (Y, PB,
PR) of the DVD.
b.
Connect the Audio port of the projector to the Audio output port (L) of the DVD.
c.
Use a DVD with Component 480i(576i)/480p mode.
35
Connecting to a D-TV Set-Top Box
* To receive D-TV programmes, it is necessary to purchase a D-TV receiver (Set-Top Box) and
connect it to the projector.
* Please refer to the owner's manual of the D-TV Set-Top Box for the connection between
LCD projector and D-TV Set-Top Box.
* Use a D-TV receiver with DTV 720p/1080i mode.
IN
PU
PO
ER
SE
LE
VO
ER
EN
PA
TT
VO
Video
Audio
DC 12V OUT
Component (DVD/DTV)
PB
OK
S-Video
A-RGB1
A-RGB2/D-RGB
RS-232C
Audio
PR
AC
IN
(Component)

PB
PR
(R) AUDIO (L)
(RGB)
DTV OUTPUT
(Component)
< How to connect-In case of connecting RGB>
a.
Connect computer cable to A-RGB1 of the projector.
* If the Set-Top Box has DVI output, use DVI cable.
b.
Use a DTV receiver with DTV 720p/1080i mode.
< How to connect-In case of connecting Component>
a.
Connect the Component (DVD/DTV) ports (Y, PB, PR) of the projector to the Video output ports (Y, PB,
PR) of the D-TV Set-Top Box.
b.
Connect the Audio port of the projector to the Audio output port (L) of the D-TV Set-Top Box.
c.
Use a DTV receiver with DTV 480p/720p/1080i mode.
36
Function checking
* If there is no input signal, Menu will not display on screen.
* This operating guide explains operation of A-RGB1 mode mainly.
Press the MENU button to show a menu on screen.
Press the D, E button to select a menu.
● Each press will cycle through the different menus as shown below.
Contrast
Brightness
Color R
Color G
Color B
Reset
Menu exit
50
50
50
50
50
move
Language
ARC
Flip Horizontal
Flip Vertical
OK
Menu exit
English
16:9
move
OK
BASIC
FUNCTIONS
Auto Tracking
Clock
25
Phase
25
Horizontal 0
Vertical
Menu exit
Twin Picture
Color Temp. R 0
Color Temp. G 0
Color Temp. B 0
Menu exit
move
Off
OK
move
V Keystone 0
H Keystone 0
Zoom
Blank Image
Set ID
Lamp Time
Menu exit
OK
Blue
0 Hr
move
OK
Press the OK (A) button and then press the D, E or VOLUME (F, G) buttons to select a feature you
want to use.
● To finish the menu display, press the MENU button.
* In Video and S-Video mode and Component(480i(576i)), D-RGB mode
menu is not displayed.
* Only A-RGB1, A-RGB2, Component(480p, 720p, 1080i) mode displays [Horizontal], [Vertical] in
menu
* The sub menus of
menu in Video and S-Video mode and Component mode are different from those in the RGB
mode. (Refer to page 52).
* [Color R], [Color G], [Color B] : Use only for the A-RGB1 and the A-RGB2 modes. [Color R], [Color G], [Color B]
items are used to adjust the R/G/B color levels when the RGB analog input signal has improper R/G/B signal levels.
37
Using Still function
Press the STILL button.
* You can freeze the input image.

38
To finish this function, press the any button again.
* The STILL function would release automatically after about 10 minutes.

Selecting language
Press the MENU button and then use D / E button to select the
Language
ARC
Flip Horizontal
Flip Vertical
Menu exit
move
menu.
English
16:9
OK
Press the OK (A) button and then use D / E button to select [Language] item.
Press the VOLUME (F, G) button to select the language you want to use.
SPECIAL
FUNCTIONS
● On-Screen-Display(OSD) is marked in the selected language from this point.
● To finish menu display, press the MENU button.
Language
ARC
Flip Horizontal
Flip Vertical
Menu prev.
move
English
16:9
select
39
Checking lamp time
Press the MENU button and then use D / E button to select the
V Keystone 0
H Keystone 0
Zoom
Blank Image
Set ID
Lamp Time
Menu exit
menu.
Blue
0 Hr
move
OK
● You can see the used lamp time.
● When projector lamp is reaching the end of its life(over 1500 hours), the lamp indicator will be turned
red and the projector will display “Replace the Lamp” on screen.
● The OSD, “Replace the Lamp” is displayed 10 seconds from the first power on.
● The lamp warning LED illuminates red continuously in case of excessing of lamp time.
40
Manual Color Temperature Control
* You can adjust red, green, or blue to any color temperature you prefer.
Press the MENU button and then use D / E button to select the
Twin Picture
Color Temp. R 0
Color Temp. G 0
Color Temp. B 0
Menu exit
move
Off
OK
Press the OK (A) button and then use D / E button to select a color.
Twin Picture
Color Temp. R 0
Color Temp. G 0
Color Temp. B 0
Menu prev.
menu.
SPECIAL
FUNCTIONS
move
Off
adjust
Use the VOLUME (F, G) button to make appropriate adjustments.
● The adjustment range of [Color Temp. R], [Color Temp. G] and [Color Temp. B] is -50 ~ +50.
● To exit the menu display, press the MENU button.
41
Using Blank function
* This function may be effective if you need to get attention of the audience during presentations, meetings
or briefings.
Press the BLANK button.
* The screen turns off to a background color and sound also turns off.
* You can choose the background color. Refer to page 43.
Press any buttons to cancel the blank function.
* On exiting the blank status sound also is restored.
42
Selecting Blank Image color
Press the MENU button and then use D / E button to select the
V Keystone 0
H Keystone 0
Zoom
Blank Image
Set ID
Lamp Time
Menu exit
menu.
Blue
0 Hr
move
OK
Press the OK (A) button and then use D / E button to select [Blank Image] item.
Press the VOLUME (F, G) button to select the color you want to use.
SPECIAL
FUNCTIONS
● Background color will be changed to the selected Blank function color from this point.
● To exit menu display, press the MENU button.
V Keystone 0
H Keystone 0
Zoom
Blank Image
Set ID
Lamp Time
Menu prev.
Blue
0 Hr
move
select
43
Using Flip Horizontal / Vertical function
Flip Horizontal Function
* This function reverses the left and the right side of the projected image. Use this function when projecting from behind
onto a transparent screen being viewed from the opposite side.
Press the MENU button and then use D / E button to select the
Language
ARC
Flip Horizontal
Flip Vertical
Menu exit
move
English
16:9
OK
Press the OK (A) button and then use D / E button to select [Flip Horizontal] item.
English
Language
ARC
16:9
Flip Horizontal Press OK to Flip
Flip Vertical
Menu prev
44
menu.
move
OK
Press the OK(A) button to see reversed image.
● Each time you press the button, the image will be reversed.
● To finish menu display, press the MENU button.
Flip Vertical Function
* This function reverses the upper and the lower side of the projected image.
* When you hang the projector upside down from the ceiling for using, you need to reverse all the sides(left, right,
upper, lower) of the image.
Press the MENU button and then use D / E button to select the
Language
ARC
Flip Horizontal
Flip Vertical
Menu exit
move
menu.
English
16:9
OK
Press the OK (A) button and then use D / E button to select [Flip Horizontal] item.
SPECIAL
FUNCTIONS
English
Language
ARC
16:9
Flip Horizontal
Flip Vertical
Press OK to Flip
Menu prev
move
OK
Press the OK(A) button to see reversed image.
● Each time you press the button, the image will be reversed.
● To finish menu display, press the MENU button.
45
TITLEPicture function
Twin
How to use twin picture
TWIN PICTURE
Press the TWIN PICTURE button to select desired with picture.
Twin Picture1
Twin Picture 2
Twin Picture 1
Twin Picture : Off
Twin Picture 2
Twin Picture : Off
● You can use this function by using the MENU button.
Input select of the sub picture
Press the SUB INPUT button to select the input source of sub picture.
SUB INPUT
select
46
OK
A-RGB1 G
Changing the picture of main and sub picture
Press the SWAP button in twin picture mode.
SWAP
Video
A-RGB2
SPECIAL
FUNCTIONS
A-RGB2
Video
Using Still function in twin picture mode.
STILL
Press the STILL button in twin picture mode.
Main Still
Off
Sub Still
Off
exit
●
select
You can cancel this function directly by selecting [Off] in menu.
● The STILL function is cancelled when changing the input signal.
[Main Still] is cancelled when changing the input signal with INPUT SELECT
button and [Sub Still] is cancelled when changing the input signal with
SUB INPUT button. That is, [Main/Sub Still] work separately.
● The STILL function would release automatically after about 10 minutes.
47
Adjusting screen display
* If the image size does not fit the screen in accordance with the input source, set the position of the image
by selecting Horizontal / Vertical position.(For A-RGB1, A-RGB2, Component 480p/720p/1080i)
Press the MENU button and then use D / E button to select the
menu.
Auto Tracking
Clock
25
Phase
25
Horizontal 0
Vertical
Menu exit
move
OK
Press the OK (A) button and then use D / E button to select [Horizontal] or [Vertical] item.
Auto Tracking
Clock
25
Phase
25
Horizontal 0
Vertical
Menu prev.
adjust
Press the VOLUME (F, G) button to adjust the screen condition as you want.
● [Horizontal], [Vertical] are adjusted from -50 to +50.
● To exit the menu display, press the MENU button.
48
move
Using Keystone function
* Keystone function adjusts the upper and lower width of the projected image to prevent the
image from being a trapezoid shape. Use this function when the screen or the projector is
slanted and cannot make an ideal projection angle.
* Only use the Keystone function when you can’t get the best angle of projection, because it
may cause a blazing fire of the screen.
Press the KEYSTONE button.
V Keystone 0
H Keystone 0
exit
adjust
Press the D / E button to select [V Keystone] or [H Keystone] item.
Press the VOLUME (F, G) button to adjust the screen condition as you want.
POSITIONING
● [Keystone] are adjusted from -50 to +50.
● Adjustment range of H/V Keystone may not work until -50 ~ +50 because they are interlocked.
● To exit the menu display, press the OK (A) button.
● You can also use this function by using the MENU button.
49
Using Zoom function
* This function works only in RGB mode.
Press the ZOOM - or ZOOM + button.
0/20
ZOOM-
ZOOM+
Press the ZOOM - or ZOOM + button to adjust the zoom level.
15/20
ZOOM-
ZOOM+
20/20
ZOOM-
ZOOM+
Move to the position you want to see the enlarged screen by moving press the VOLUME (F, G) ,
D, E button.
Press the OK (A) or ARC button to finish the zoom function.
50
* This function doesn’t work in Video, S-Video, Component mode.
* You can use this function by using the MENU button.
* In the zoom mode, you can adjust horizontal / vertical position with the
VOLUME (F, G) , D, E button during displaying zoom OSD.
Using ARC function
* With HD input (720p,1080i) mode, you can select 16:9 picture format only.
Press the ARC button.
Each press of the button changes the display as below.
< A-RGB1/A-RGB2/D-RGB mode >
ARC
16:9 G
ARC
4:3 G
4:3
16:9
< Video/S-Video/Component(480i(576i), 480p) mode >
ARC
16:9 G
16:9
ARC
4:3 G
4:3
17% Magnification
22% Magnification
Zoom4 G
ARC
Zoom1 G
POSITIONING
ARC
Zoom1
22% Magnification
Zoom4
17% Magnification
22% Magnification
ARC
Zoom3 G
Zoom3
ARC
Zoom2 G
17% Magnification
Zoom2
* Zoom1
Choose when you want to evenly stretch the normal picture vertically (about 17% for original picture format). Some of top and bottom portions
of the picture will be deleted. But black bars appear at top and bottom of screen for some input source.
* Zoom2
Choose when you want to evenly stretch the normal picture vertically and horizontally (about 17% for original picture format) and to remove
the screen distortion of Zoom1.
* Zoom3
Choose when you want to evenly stretch the normal picture vertically (about 22% for original picture format).
* Zoom4
Choose when you want to evenly stretch the normal picture vertically and horizontally (about 22% for original picture format) and to remove
the screen distortion of Zoom3.
* You can also use this function by using the MENU button.
51
Adjusting Video
Press the MENU button and move the D / E button up or down to select each
< RGB mode >
Contrast
Brightness
Color R
Color G
Color B
Reset
Menu exit
< Video, S-Video, Component mode >
50
50
50
50
50
move
APC
Contrast
Brightness
Color
Sharpness
Tint
OK
Menu exit
User
50
50
50
50
move
OK
< Twin picture mode >
Contrast
Brightness
Reset
Menu exit
50
50
move
OK
Press the OK (A) button.
< RGB mode >
Contrast
Brightness
Color R
Color G
Color B
Reset
Menu Prev.
< Video, S-Video, Component mode >
50
50
50
50
50
move
APC
Contrast
Brightness
Color
Sharpness
Tint
adjust
Menu Prev.
User
50
50
50
50
move
select
< Twin picture mode >
Contrast
Brightness
Reset
Menu Prev.
Press the D / E button up or down to select a video item you want to adjust.
Press the VOLUME (F, G) button to adjust the selected video item as you want.
52
menu.
50
50
move
adjust
● You can only adjust [Contrast] and [Brightness] of
menu in Twin picture mode. In Twin picture mode,
adjustment for [Contrast] and [Brightness] doesn’t effect other input sources. Adjustments apply to main and
sub picture simultaneously.
● Each adjustment of
menu options don’t effect other input source. As required, re-adjust
menu options
for the following input source : Video/S-Video/Component(480i(576i)), Component(480p, 720p, 1080i)
● To restore the original image condition after changing it, press OK (A) button after selecting [Reset] item.
● In the broadcasting system NTSC, the picture item Tint is displayed and adjusted.
● To finish menu display, press the MENU button.
APC (Auto Picture Control)
* Use APC to set the projector for the best picture appearance.
* This function doesn’t work in RGB mode.
Press the APC button.
APC
User G
Each press of the APC button changes the screen as shown below.
VIDEO
User
Clear
Soft
* You can also use this function by using the MENU button.
(Video/S-Video/Component mode)
53
Using Tracking function
Auto Tracking Function
* Auto Tracking Function
This function assures you of getting the best video quality by automatically adjusting the difference of horizontal size and
synchronization of the image.
Auto Tracking function works in Analog RGB(A-RGB1, A-RGB2) input only.
Press the AUTO TRACKING button.
Auto Tracking
* Image positioning and synchronization are automatically adjusted.
Adjust [Clock] or [Phase] in
menu after operation of [Auto Tracking] if you want to get better picture quality in accordance with diverse Analog RGB(A-RGB1, A-RGB2) input modes.
In certain circumstances, you can’t get the best picture quality only with auto-correction.
(Refer to page 55.)
54
* You can also use this function by using the MENU button.(Only in Analog RGB
mode)
* For best results, perform this function while displaying a still image.
Clock / Phase Function
* Clock Function
This function adjusts the horizontal width of the projected image to get the image to fit on the screen size.
* Phase Function
This function is for the detailed adjustment of the clock function.
* It’s available to adjust [Clock], [Phase] in Analog RGB mode only.
Press the MENU button and then use D / E button to select the
menu.
Auto Tracking
Clock
25
Phase
25
Horizontal 0
Vertical
Menu exit
move
OK
Press the OK (A) button and then use D / E button to select [Clock] or [Phase] item.
Menu prev.
move
TRACKING
Auto Tracking
Clock
25
Phase
25
Horizontal 0
Vertical
adjust
Press the VOLUME (F, G) button to adjust the screen condition.
● To exit the menu display, press the MENU button.
55
External control device setup
* Connect the RS-232C input jack to an external control device (such as a computer or an A/V control system)
and control the Projector’s functions externally.
* When you connect a control(RS-232C) cable to this projector, use a control cable with a ferrite core attached.
If you do not do this, this projector will not conform to mandatory CISPR22(EN55022) standards.
SET ID
• Use this function to specify projector ID number.
Press the MENU button and then use D / E button to select the
V Keystone 0
H Keystone 0
Zoom
Blank Image
Set ID
Lamp Time
Menu exit
menu.
Blue
0 Hr
move
OK
Press the OK (A) button and then use D / E button to select [Set ID] item.
Press the VOLUME (F, G) button to adjust Set ID to choose the desired projector ID number.
● The adjustment range of Set ID is 1~99.
● If projector have specified ID number, the choosed projector operates only.
● To exit the menu display, press the MENU button.
V Keystone 0
H Keystone 0
Zoom
Blank Image
Set ID
Lamp Time
Menu prev.
56
Blue
0 Hr
move
select
How to connect external control equipment
• Connect the serial port of the PC to the RS-232C jack on the projector back panel.
• RS-232C cable is not supplied with the projector.
A-RGB1
A-RGB2/D-RGB
RS-232C
Audio
• Use the RS232C cable to control the projector externally (Refer to Fig.1).

RXD
TXD
GND
DTR
DSR
RTS
CTS
Male
(-)
Female
(-)
TXD
RXD
GND
DTR
DSR
RTS
CTS
RS-232C
* 1, 9 Pin No Connection
Communication Parameter Setup
• Baud Rate : 19200 bps(UART)
• Data Length : 8 bit
• Parity : none
• Stop bit : 1 bit
• Flow Control : none
• Communication code : ASCII code
57
External control device setup
Command Reference List
01. Power
Command1
Command2-1 Command2-2 SET ID Data(Hexa)
00~63
Data(Hexa)
00, 01
02. Input Select
03. Aspect Ratio
04. Screen Mute
05. Sub Input Select
06. Contrast
00~63
00~63
00~63
00~63
00~63
00~05
00~05
00, 01
00~05
00~64
07. Brightness
08. Color
09. Tint
10. Sharpness
11. Color R
12. Color G
13. Color B
14. Color Temp. R
15. Color Temp. G
16. Color Temp. B
17. Twin Picture Mode Select
18. Volume Mute
19. Volume Control
20. OSD Lock mode
21. Remote Control Lock mode
00~63
00~63
00~63
00~63
00~63
00~63
00~63
00~63
00~63
00~63
00~63
00~63
00~63
00~63
00~64
00~64
00~64
00~64
00~64
00~64
00~64
00~64
00~64
00~64
00, 01, 02
00, 01
00~64
00, 01
00~63
00, 01
❑ Communication Protocol
1. Transmission
[Command1][Command2-1][Command2-2][ ][Set ID][ ][Data][Cr]
: To classify factory adjustment mode or user adjustment mode.(ASCII code, 1 Character)
* [Command 1]
* [Command 2-1] : Group classification code to control set.(ASCII code, 1 Character)
➜ Shortening Key Group :0, Video Group : 3, Twin Picture Group : 4, Audio Group:5, Others : 9
* [Command 2-2] : To control projector set.
: You can adjust the set ID to choose desired projector ID number in special menu. See previous page.
* [Set ID]
Adjustment range is 1 ~ 99. When selecting Set ID ‘0’, every connected projector set is controlled.
: To transmit command data. Transmit 2 character when organized ASCII code.
* [DATA]
* Transmit ‘FF’ data to read status of command.
: Carriage Return
* [Cr]
ASCII code ‘0x0D’
: ASCII code character correspond to “Space Bar” which is in order to classify command set ID and Data.
* [ ]
[Command2-1][Command2-2][ ][Set ID][ ][OK][Data][X]
* The Projector transmits ACK (acknowledgement) based on this format when receiving normal data. At this time, if the data is
data read mode, it indicates present status data. If the data is data write mode, it returns the data of the PC computer.
2. Error Acknowledge
[Command2-1][Command2-2][ ][Set ID][ ][NG][Data][X]
* The Projector transmits ACK (acknowledgement) based on this format when receiving abnormal data from non-viable
functions or communication errors.
Data : [01] : illegal code(This command is not supported.)
[02] : not support function(This function doesn’t work.)
[03] : wait more time(Try again a few minute later.)
58
01. Power (Command2-1:0, Command2-2:0)
03. Aspect Ratio (Command2-1:0, Command2-2:2)
➜ To control Power On/Off of the Projector.
➜ To adjust the screen format.
Transmission
Transmission
[k] [0] [2] [ ] [Set ID] [ ] [Data] [Cr]
[k] [0] [0] [Set ID] [ ] [Data] [Cr]
Data
Data 00 : Wide Screen(16:9)
02 : Zoom 1
04 : Zoom 3
00 : Power Off
01 : Power On
Ack
[0] [0] [ ] [Set ID] [ ] [OK] [Data] [X]
Data
00 : Power Off
01 : Power On
Ack
[0] [2] [ ] [Set ID] [ ] [OK] [Data] [X]
Data 00 : Wide Screen(16:9)
02 : Zoom 1
04 : Zoom 3
➜ To show Power On/Off status.
Transmission
[k] [0] [0] [ ] [Set ID] [ ] [FF] [Cr]
Ack
[0] [0] [ ] [Set ID] [ ] [OK] [Data] [X]
Data
01 : Normal Screen( 4:3)
03 : Zoom 2
05 : Zoom 4
01 : Normal Screen( 4:3)
03 : Zoom 2
05 : Zoom 4
* Using the PC input, you select either 16:9 or 4:3 screen
aspect ratio.
* Screen size function doesn’t work with HD signal.
* Zoom1~Zoom4 mode works only with Video/S-Video/
Component(480i(576i), 480p) input.
00 : Power Off
01 : Power On
* In like manner, if other functions transmit
‘FF’ data based on this format,
Acknowledgement data feed back presents
status about each function.
04. Screen Mute (Command2-1:0, Command2-2:3)
➜ To select screen mute on/off.
Transmission
[k] [0] [3] [ ] [Set ID] [ ] [Data] [Cr]
Data
➜ To select input source for the Set.
Transmission
Ack
[0] [3] [ ] [Set ID] [ ] [OK] [Data] [X]
Data
[k] [0] [1] [ ] [Set ID] [ ] [Data] [Cr]
Data 00 : A-RGB1 01 : A-RGB2
03 : Video
04 : S-Video
02 : D-RGB
05 : Component
Ack
[0] [1] [ ] [Set ID] [ ] [OK] [Data] [X]
Data 00 : A-RGB1 01 : A-RGB2
03 : Video
04 : S-Video
02 : D-RGB
05 : Component
01 : Screen Mute On (Picture Off)
00 : Screen Mute Off (Picture On)
05. Sub Input Select
(Command2-1:0, Command2-2:4)
➜ To select input source for sub picture.
Transmission
[k] [0] [4] [ ] [Set ID] [ ] [Data] [Cr]
Data 00 : A-RGB1 01 : A-RGB2
03 : Video
04 : S-Video
02 : D-RGB
05 : Component
RS-232C
02. Input Select (Command2-1:0, Command2-2:1)
01 : Screen Mute On (Picture Off)
00 : Screen Mute Off (Picture On)
Ack
[0] [4] [ ] [Set ID] [ ] [OK] [Data] [X]
Data 00 : A-RGB1 01 : A-RGB2
03 : Video
04 : S-Video
02 : D-RGB
05 : Component
59
External control device setup
9. Tint (Command2-1:3, Command2-2:3)
06. Contrast (Command2-1:3, Command2-2:0)
➜ To adjust the screen tint.
➜ To adjust screen contrast.
Transmission
Transmission
[k] [3] [0] [ ] [Set ID] [ ] [Data] [Cr]
Data
Min : 00 ~ Max : 64
* Refer to ‘Real data mapping 1’.
* Always marks data value with Hexadecimal.
That is, marks with two-place Hexadecimal
while writing and read data is also marked with
Hexadecimal value.
[k] [3] [3] [ ] [Set ID] [ ] [Data] [Cr]
Data
Red : 00 ~ Green : 64
* Refer to ‘Real data mapping2’.
* Always marks data value with Hexadecimal.
That is, marks with two-place Hexadecimal
while writing and read data is also marked with
Hexadecimal value.
Ack
[3] [3] [ ] [Set ID] [ ] [OK] [Data] [X]
Ack
Data
Red : 00 ~ Green : 64
[3] [0] [ ] [Set ID] [ ] [OK] [Data] [X]
Data
Min : 00 ~ Max : 64
* Real data mapping 1
07. Brightness (Command2-1:3, Command2-2:1)
* Real data mapping 2
: Step 0
: Step -50
➜ To adjust screen brightness.
A : Step 10
Transmission
[k] [3] [1] [ ] [Set ID] [ ] [Data] [Cr]
Data
Min : 00 ~ Max : 64
* Refer to ‘Real data mapping 1’.
* Always marks data value with Hexadecimal.
That is, marks with two-place Hexadecimal
while writing and read data is also marked with
Hexadecimal value.
32 : Step 0
F : Step 15
10
: Step 16
64
: Step 100
64 : Step 50
* This is a Hexadecimal number data.
Ack
[3] [1] [ ] [Set ID] [ ] [OK] [Data] [X]
Data
Min : 00 ~ Max : 64
10. Sharpness (Command2-1:3, Command2-2:4)
➜ To adjust the screen sharpness.
08. Color (Command2-1:3, Command2-2:2)
➜ To adjust the screen color.
Transmission
[k] [3] [2] [ ] [Set ID] [ ] [Data] [Cr]
Data
Min : 00 ~ Max : 64
* Refer to ‘Real data mapping 1’.
* Always marks data value with Hexadecimal.
That is, marks with two-place Hexadecimal
while writing and read data is also marked with
Hexadecimal value.
Transmission
[k] [3] [4] [ ] [Set ID] [ ] [Data] [Cr]
Data
Min : 00 ~ Max : 64
* Refer to ‘Real data mapping 1’.
* Always marks data value with Hexadecimal.
That is, marks with two-place Hexadecimal
while writing and read data is also marked with
Hexadecimal value.
Ack
[3] [4] [ ] [Set ID] [ ] [OK] [Data] [X]
Data
Ack
[3] [2] [ ] [Set ID] [ ] [OK] [Data] [X]
Data
60
Min : 00 ~ Max : 64
Min : 00 ~ Max : 64
11. Color R Adjustment
(Command2-1:3, Command2-2:6)
14. Color Temp. R
(Command2-1:3, Command2-2:9)
➜ To adjust red in color temperature.
➜ Adjust the color temperature R of LCD part.
Transmission
[k] [3] [6] [ ] [Set ID] [ ] [Data] [Cr]
Data
Min : 00 ~ Max : 64
* Refer to ‘Real data mapping 1’.
* Always marks data value with Hexadecimal.
That is, marks with two-place Hexadecimal
while writing and read data is also marked with
Hexadecimal value.
Transmission
[k] [3] [9] [ ] [Set ID] [ ] [Data] [Cr]
Data
Min : 00 ~ Max : 64
* Refer to ‘Real data mapping 1’.
* Always marks data value with Hexadecimal.
That is, marks with two-place Hexadecimal
while writing and read data is also marked with
Hexadecimal value.
Ack
Ack
[3] [9] [ ] [Set ID] [ ] [OK] [Data] [X]
[3] [6] [ ] [Set ID] [ ] [OK] [Data] [X]
Min : 00 ~ Max : 64
Min : 00 ~ Max : 64
12. Color G Adjustment
(Command2-1:3, Command2-2:7)
15. Color Temp. G
(Command2-1:3, Command2-2:a)
➜ To adjust green in color temperature.
➜ Adjust the color temperature G of LCD part.
Transmission
Transmission
[k] [3] [7] [ ] [Set ID] [ ] [Data] [Cr]
[k] [3] [a] [ ] [Set ID] [ ] [Data] [Cr]
Data
Min : 00 ~ Max : 64
* Refer to ‘Real data mapping 1’.
* Always marks data value with Hexadecimal.
That is, marks with two-place Hexadecimal
while writing and read data is also marked with
Hexadecimal value.
Data
Min : 00 ~ Max : 64
* Refer to ‘Real data mapping 1’.
* Always marks data value with Hexadecimal.
That is, marks with two-place Hexadecimal
while writing and read data is also marked with
Hexadecimal value.
Ack
Ack
[3] [7] [ ] [Set ID] [ ] [OK] [Data] [X]
Data
Min : 00 ~ Max : 64
[3] [a] [ ] [Set ID] [ ] [OK] [Data] [X]
Data
Min : 00 ~ Max : 64
13. Color B Adjustment
(Command2-1:3, Command2-2:8)
16. Color Temp. B
(Command2-1:3, Command2-2:b)
➜ To adjust blue in color temperature.
➜ Adjust the color temperature B of LCD part.
Transmission
Transmission
[k] [3] [8] [ ] [Set ID] [ ] [Data] [Cr]
[k] [3] [b] [ ] [Set ID] [ ] [Data] [Cr]
Data
Min : 00 ~ Max : 64
* Refer to ‘Real data mapping 1’.
* Always marks data value with Hexadecimal.
That is, marks with two-place Hexadecimal
while writing and read data is also marked with
Hexadecimal value.
Data
Min : 00 ~ Max : 64
* Refer to ‘Real data mapping 1’.
* Always marks data value with Hexadecimal.
That is, marks with two-place Hexadecimal
while writing and read data is also marked with
Hexadecimal value.
Ack
Ack
[3] [8] [ ] [Set ID] [ ] [OK] [Data] [X]
Data
Min : 00 ~ Max : 64
[3] [b] [ ] [Set ID] [ ] [OK] [Data] [X]
Data
Min : 00 ~ Max : 64
61
RS-232C
Data
Data
External control device setup
17. Twin Picture Mode Select
(Command2-1:4, Command2-2:1)
20. OSD Lock mode
(Command2-1:9, Command2-2:0)
➜ To control the twin picture.
➜ This function operates Local Keypad and
Remote control Lock so that only Power button
on Local Keypad works with “OSD Lock On”.
Transmission
[k] [4] [1] [ ] [Set ID] [ ] [Data] [Cr]
Data 00 : FULL
01 : TWIN 1 02 : TWIN 2
Transmission
[k] [9] [0] [ ] [Set ID] [ ] [Data] [Cr]
Data
Ack
[4] [1] [ ] [Set ID] [ ] [OK] [Data] [X]
Data 00 : FULL
01 : TWIN 1 02 : TWIN 2
00 : OSD Lock Mode Off
01 : OSD Lock Mode On
Ack
[9] [0] [ ] [Set ID] [ ] [OK] [Data] [X]
Data
00 : OSD Lock Mode Off
01 : OSD Lock Mode On
18. Volume Mute (Command2-1:5, Command2-2:4)
➜ To control volume mute on/off.
Transmission
21. Remote Control Lock mode
(Command2-1:9, Command2-2:1)
[k] [5] [4] [ ] [Set ID] [ ] [Data] [Cr]
Data
00 : Volume Mute On (Volume Off)
01 : Volume Mute Off (Volume On)
Transmission
[k] [9] [1] [ ] [Set ID] [ ] [Data] [Cr]
Ack
[5] [4] [ ] [Set ID] [ ] [OK] [Data] [X]
Data
➜ To lock the front panel controls on the
projector and remote control.
00 : Volume Mute On (Volume Off)
01 : Volume Mute Off (Volume On)
Data
00 : Remote Control Lock Off
01 : Remote Control Lock On
Ack
[9] [1] [ ] [Set ID] [ ] [OK] [Data] [X]
19. Volume Control (Command2-1:5, Command2-2:0)
➜ To adjust volume.
Transmission
[k] [5] [0] [ ] [Set ID] [ ] [Data] [Cr]
Data
Min : 00 ~ Max : 64
* Refer to ‘Real data mapping 1’.
* Always marks data value with Hexadecimal.
That is, marks with two-place Hexadecimal
while writing and read data is also marked with
Hexadecimal value.
Ack
[5] [0] [ ] [Set ID] [ ] [OK] [Data] [X]
Data
62
Min : 00 ~ Max : 64
Data
00 : Remote Control Lock Off
01 : Remote Control Lock On
* If you’re not use the remote control, set this mode.
Supported Monitor Display
* The projector displays the best image quality at a resolution of 1280x720 pixels.
To display other resolution images, the projector compresses or expands it to 1280x720.
The following table lists the display formats supported by the projector.
Sources
Format
VGAEGA
640X350
640X350
640X400
640X400
720X400
720X400
640X480
640X480
640X480
640X480
640X480
800X600
800X600
800X600
800X600
800X600
1024X768
1024X768
1024X768
1152X864
1280X960
1280X1024
832X624
1024X768
1024X768
PC98 / VGA text
VGA
SVGA
XGA
SXGA
MAC 16¥
19¥
Vertical Freq.(Hz)
70.090Hz
85.080Hz
70.090Hz
85.080Hz
70.082Hz
85.039Hz
59.940Hz
66.667Hz
72.800Hz
75.00Hz
85.008Hz
56.250Hz
60.317Hz
72.188Hz
75.00Hz
85.061Hz
60.004Hz
70.069Hz
75.029Hz
60.053Hz
60.00Hz
60.020Hz
74.550Hz
60.004Hz
75.029Hz
Horizontal Freq. (kHz)
31.468kHz
37.861kHz
31.468kHz
37.861kHz
31.469kHz
37.927kHz
31.469kHz
35.00kHz
37.861kHz
37.500kHz
43.269kHz
35.156kHz
37.879kHz
48.077kHz
46.875kHz
53.674kHz
48.363kHz
56.476kHz
60.023kHz
54.348kHz
60.00kHz
63.981kHz
49.725kHz
48.363kHz
60.241kHz
INFORMATION
* If the projector does not support the input signal, “Out of Range” message appears on the screen.
* The projector supports DDC1/2B type as Plug & Play function.(Auto recognition of PC monitor)
* The Synchronization input form for horizontal and vertical frequencies are Separate, Composite and SOG.
* According to PC, the optimum vertical frequency may not be displayed up to the optimum frequency of set in
‘Registration information(Display registration information)’.(ex, The optimum vertical frequency may be displayed
up to 75Hz or under in the resolution of 640X480 or 800X600.)
63
Maintenance
* The projector needs little maintenance. You should keep the lens clean because any dirt or stains may appear
on the screen. You will also need to clean the air filter attached at the bottom of the projector periodically
because a clogged air filter prevents proper ventilation that is necessary to cool the projector and prevents it
from overheating. If any parts need to be replaced, contact your dealer. When cleaning any part of the projector, always turn the power off and unplug the projector first.
Cleaning the lens
Clean the lens whenever you notice dirt or dust on the surface of it. Wipe the lens surface gently with an air
spray or a soft, dry lint-free cloth.
To remove dirt or stains on the lens, moisten a soft cloth with water and a neutral detergent and wipe the lens
surface gently.
Cleaning the Projector Case
To clean the projector case, first unplug the power cable. To remove dirt or dust, wipe the casing with a soft,
dry, lint-free cloth. To remove stubborn dirt or stains, moisten a soft cloth with water and a neutral detergent
and then wipe the casing.
Do not use alcohol, benzene, thinners or other chemical detergents as these can cause the casing to be
warped.
Cleaning the Air Filter
The air filter, which is located at the bottom of the projector, should be cleaned after every 100 hours’ use.
If it is not cleaned periodically, it can become clogged with dust and prevent the projector from being ventilated properly. This may cause overheating and damage of the projector.
To clean the air filter :
1. Switch the projector off and unplug the power cable from the wall socket.
2. Stand the projector on it’s side so that the handle can be at the top, and you can easily access the
air filter.
3. Push the opening tip of the air filter cover and remove the cover.
4. The air filter is inside the cover. To clean the filter, use a small vacuum cleaner designed for computers or other office equipment. If not, you may use a dry, lint-free cloth. If it is difficult to remove
dirt or the filter is torn, contact your dealer or the service center to replace it.
5. Close the filter cover after cleaning.
6. Plug the power cable back into the wall socket.
64
Memo
65
Memo
66
Specifications
MODEL
RL-JA20
LCD panel size
0.87 inches
resolution
1280(Horizontal) x 720(Vertical)pixel
screen size
1.01~5.08m(40~200 inches)
remote control distance
12m
speaker system
3W
horizontal / vertical ratio
16:9(horizontal:vertical)
zoom ratio
1:1.3
Video compatibility
NTSC/PAL/SECAM/NTSC4.43/PAL-M/PAL-N
Power
AC 100 - 240V~50/60Hz
height
158mm(including front foot)
breadth
344mm
length
448.6mm(including lens)
weight
4.2kg
Operating Condition
Projection Lamp
temperature
lamp model
In operation : 32~95°F(0°C~35°C)
In storage and transit : -4~140°F(-20°C~60°C)
AJ-LA60
humidity
power consumption
In operation : 0~ 80% relative humidity by dry hygrometer
Not in operation : 0 ~ 90% relative humidity by dry hygrometer
210W
67
Model number
Serial number
P/NO : 3828VA0360B a (373-026H)
LG LCD PROJECTOR
Please read this manual carefully before operating
your set.
Retain it for future reference.
Record model number and serial number of the set.
See the label attached on the bottom of the set and
quote this information to your dealer when you
require service.
RL-JA20
OWNER’S MANUAL

---

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