LG 42LK550 Owner's Manual - Page 113

Connecting to an Audio System, Digital Optical Audio Connection

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MAKING CONNECTIONS 113 NOTE yy1920 x 1080 is the recommended PC resolution. If you use the TV in other video modes, afterimages or distorted images may appear on the screen. yyDepending on the graphics card, DOS mode may not work if a HDMI to DVI Cable is in use. yyIn PC mode, there may be noise associated with the resolution, vertical pattern, contrast or brightness. If noise is present, change the PC output to another resolution, change the refresh rate to another rate or adjust the brightness and contrast on the PICTURE menu until the picture is clear. yyThe synchronization input form for Horizontal and Vertical frequencies is separate. yyDepending on the graphics card, some resolution settings may not allow the image to be positioned on the screen properly. yyIf you experience overscan issues when using HDMI-PC 1920x1080, change aspect ratio to Just scan. yyWhen selecting HDMI-PC, set the "Input Label - PC" in the INPUT menu. Connecting to an Audio System Use an optional external audio system instead of the built-in speaker. NOTE yyIf you use an optional external audio device instead of the built-in speaker, set the TV speaker feature to off (See p.94). Digital Optical Audio Connection Transmits the digital audio signal from the TV to an external device. Connect the external device and the TV with the optical audio cable as shown in the following illustration. NOTE yyDo not look into the optical output port. Looking at the laser beam may damage your vision. yyAudio with ACP (Audio Copy Protection) function may block digital audio output. USB IN 1 USB IN 2/USB Apps Plasma 4 3 OPTICAL AUDIO IN DIGITAL (RGB/DVI) AUDIO OUT RS-232C IN WIRELESS RGB IN (PC) (CONTROL&SERVICE) CONTROL LAN VIDEO L/MONO AUDIO R 2 Y REMOTE CONTROL IN 1 PB VIDEO PR L R AUDIO COMPON ENT IN AV IN1 ANTENNA /CABLE IN 1 (ARC) 2 /DVI IN AV IN2 ENEGNLGISH VIDEO L/MONO AUDIO R OPTICAL AUDIO IN

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Connecting to an Audio
System
Use an optional external audio system instead of
the built-in speaker.
NOTE
y
If you use an optional external audio device
instead of the built-in speaker, set the TV
speaker feature to off (See p.94).
Digital Optical Audio Connection
Transmits the digital audio signal from the TV to an
external device. Connect the external device and
the TV with the optical audio cable as shown in
the following illustration.
NOTE
y
Do not look into the optical output port.
Looking at the laser beam may damage your
vision.
y
Audio with ACP (Audio Copy Protection)
function may block digital audio output.
NOTE
y
1920 x 1080 is the recommended PC
resolution. If you use the TV in other video
modes, afterimages or distorted images may
appear on the screen.
y
Depending on the graphics card, DOS mode
may not work if a HDMI to DVI Cable is in
use.
y
In PC mode, there may be noise associated
with the resolution, vertical pattern, contrast
or brightness. If noise is present, change
the PC output to another resolution, change
the refresh rate to another rate or adjust the
brightness and contrast on the PICTURE
menu until the picture is clear.
y
The synchronization input form for Horizontal
and Vertical frequencies is separate.
y
Depending on the graphics card, some
resolution settings may not allow the image
to be positioned on the screen properly.
y
If you experience overscan issues when
using HDMI-PC 1920x1080, change aspect
ratio to Just scan.
y
When selecting HDMI-PC, set the “Input
Label - PC” in the INPUT menu.
AUDIO
VIDEO
L/MONO
AV IN2
R
/DVI IN
1 (ARC)
2
3
4
AUDIO
VIDEO
L/MONO
R
AV IN1
COMPON ENT IN
ANTENNA
/CABLE IN
VIDEO
AUDIO
Y
2
1
L
P
R
R
RS-232C IN
(CONTROL&SERVICE)
OPTICAL
DIGITAL
AUDIO OUT
WIRELESS
CONTROL
RGB IN (PC)
LAN
REMOTE
CONTROL IN
AUDIO IN
(RGB/DVI)
OPTICAL
DIGITAL
AUDIO OUT
OPTICAL
AUDIO IN
Plasma
113
ENG
ENGLISH
MAKING CONNECTIONS