LG UN570H Series 55" UHD 4K HDR Commercial Hospitality TV - Manual (Page 26)

14
ENGLISH
External Speakers
(Depending upon model)
VOLUME
CONTROL
SPEAKER OUT
LINE OUT
AUDIO
LINE OUT
EXTERNAL
SPEAKER OUT
+
-
or
Control port for Speaker out
UP
DOWN
GND
GND
RIGHT
LEFT
: Depending upon model
• Use only with the 3 pole 3.5 mm stereo jack.
• Do not connect your headphones or earphones to
the port for connecting an external speaker.
Method of volume control port
(Depending upon model)
• Cable Spec.
VOLUME CONTROL
+
-
GND / UP / DOWN
Each up/down pins
are connected to CPU
with pull up resistor
respectively.
CPU detects transition
from 3.3 V to GND
level for volume
control.
External Devices
Supported external devices are: Blu-ray player, HD
receivers, DVD players, VCRs, audio systems, USB
storage devices, PC, gaming devices, and other
external devices.
• The external device connections shown may differ
slightly from illustrations in a manual.
• Connect external devices to the TV regardless about
the order of the TV port.
• If you connect a gaming device to the TV, use the
cable supplied with the gaming device.
• Refer to the external equipment’s manual for
operating instructions.
• 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. Depending
upon the graphics card, some resolution settings
may not allow the image to be positioned on the
screen properly.
• When connecting via a wired LAN, it is
recommended to use a CAT 7 cable.