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5
AUDIO button
▪
Press the 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 the ARC function is turned on, press the AUDIO
button to select return the audio signal from OUT A or
OUT B display device to optical output, and 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, and the corresponding blue LED
will illuminate. For example, if the source is 4K but the
TV only supports 1080P, the input resolution with 4K will
downscale to 1080P to the TV output.
7
ARC button
Turn on / off the ARC function. The blue ARC LED will
illuminate when you turn on the ARC function.
