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6. OPERATION CONTROLS AND FUNCTIONS
6.1 Front Panel
UHD+ 4x1 HDMI switcher AV Systems
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2
3
4
ARC
HDMI
IR
SERVICE
ANALOG AUDIO
MUTE
Vol –
Vol +
POWER
HDMI IN
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2
3
4
5
6
7
1
POWER Button and LED:
Press this button to power the unit on (green
LED) or place it into standby mode (red LED).
Note: If the IR Auto Power Control function is turned on for any inputs/
outputs, this button will also turn on/off those devices that have IR
commands stored.
2
HDMI IN and LEDs:
Press this button to sequentially switch through
the available inputs. The LED will illuminate to indicate which source is
currently selected.
3
ANALOG AUDIO Button and LEDs:
Press this button to toggle between
HDMI Out or ARC as the audio source for both analog outputs. The LED
will illuminate to indicate which source is currently selected.
Note: If the display connected to the HDMI output does not support ARC,
no audio will be heard when the ARC source is selected.
4
MUTE Button and LED:
Press to toggle between muting and unmuting
the analog audio output. The LED will illuminate when mute is active.
Note: By default, the mute button only controls the amplified output. This
behavior can be adjusted via RS-232.
5
VOL−/VOL+ Buttons and LEDs:
Press or hold the +/− (plus/minus)
buttons to increase or decrease the amplified analog audio output
volume. The LEDs will illuminate progressively to indicate the current
volume level.
6
IR Window:
Accepts IR signals from the included IR remote for control of
this unit, IR bypass, and to activate the transmission of learned IR codes.
7
SERVICE Port:
This port is reserved for firmware update use only.