J-Tech Digital ARC-HDEX40ARC User Manual page 10

2) The ARC mode of receiver is ON, but the display device (e.g. HDTV) doesn't
support ARC. The TV audio is transmitted from the TV back to the receiver via the
audio cable, and then it will be output by the ARC Audio Out port of transmitter.
Tx
ARC
Speaker
Note: The STP cable is recommended to be used to ensure optimal machine
performance in ARC mode.
HDCP LINK
Tx Rx
1 2 3 4
IR
Receiver
Laptop
Remote
,
4K 40m 1080P 70m
Rx
PoC
10
IR:
HDMI:
Audio:
RS232:
HDBaseT:
HDCP LINK
Tx Rx
ARC
IR
Emitter
HDTV