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Operation Controls
and Functions
No. Name Function Description
1 L/R port PCM2.0 Analog audio output port.
2. OPTICAL port Optical fiber digital audio output port.
3.
port
HDMI signal output port, connected to HDMI display
device such as TV or Monitor with HDMI cable.
4. IN port (1~4)
HDMI signal input ports, connected to HDMI source de-
vice such as DVD or Set-top box with HDMI cable.
5. RS-232 port
3-pin phoenix connector, connected to a PC or control
system for serial port upgrade or RS-232 command
6. IR EXT port
IR signal receiving port, connected with 38KHz IR Receiv-
er cable.
If the IR signal receving window of the unit is blocked or
the unit is installed in a closed area out of infrared line of
sight, the IR receiver cable can be inserted to the “IR EXT”
port to receive the IR remote signal.
7. DC 12V DC 12V/2.5A power input port.
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