7
5
AUDIO button
•
Press AUDIO button to select
extract the input source audio
from OUT A port or OUT B port to
optical and analog L/R output, the
corresponding blue LED will
illuminate.
•
If ARC function is turned on, press
AUDIO button to select return the
audio signal from OUT A or OUT B
display device to optical output,
the corresponding blue LED will
illuminate. At this time, the analog
L/R port is mute
6
4k→1080P
button
Press the button to select OUT A or
OUT
B 4k→1080P
downscale function,
the corresponding blue LED will
illuminate. For example, if source is 4K
but TV only supports 1080P, at this
time the input resolution with 4K
will downscale to 1080P to TV output
7
ARC button
Turn on / off ARC function. The blue
ARC LED will illuminate when you turn
on the ARC function
5.2 Rear Panel