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Operation Controls
and Functions
No.
Name
Function Description
15.
Link Signal
Indicator
(Green)
• Illuminating: Transmitter and Receiver are in good connection status.
• Flashing: Transmitter and Receiver are in poor connection status.
• Dark: Transmitter and Receiver are not connected.
16.
HDMI OUT
HDMI signal output port, supporting eARC/ARC TV.
17.
HDMI OUT
Audio de-embedding output port.
18.
SPDIF IN
Optical input port.
19.
IR IN
IR signal input port, connected to IR Receiver cable.
20.
IR OUT
IR signal output port, connected to IR Blaster cable.
21.
RS-232
RS-232 serial port, used for serial port command transmission.
Input & Output Switching
The Extender can switch to ARC/SPDIF mode by pressing the SELECT button
on the front panel of both transmitter and receiver. The HDMI OUT port of the
transmitter can turn to LOOP OUT or AUDIO ONLY through the LOOP OUT/
AUDIO ONLY switch. The input and output routing are different for different
scenarios, as shown in the diagrams below:
