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amplifier.When under power-off status, with one key, the built-in central control,
power amplifier, built-in OPS computer, projector, and built-in whiteboard will be
opened. It will light up after complete.
PC
Button
Long press it for 3 seconds,
it can independently control the switch of the built-in
OPS computer
Indicator light
Off: built-in OPS computer is under power-off status.
On: built-in OPS computer is under power-on status.
Projector
Button
Long press it for 3 seconds,
it can independently control the switch of projector.
Indicator light
Off: Projector power off (the control code of the control unit should be properly
configured and the control wire of projector should be connected ready)
On: Projector power on (the control code of the control unit should be properly
configured and the control wire of projector should be connected ready)
Source
Button
Short press the button can trigger the source change button, the sequence is the
machine, front HDMI, rear HDMI, status indicator light with LED
Indicator light
Off: built-in OPS computer (effective when the built-in computer switch indicator is
on)
On: front HDMI input (effective when the front HDMI is connected correctly and
work properly)
On, Off, On: rear HDMI input (effective when HDMI of the external computer
connect and work properly)
Vol+
Button
Short press the button can increase the volume of the built-in power amplifier, long
press it can increase volume continuously to maximum stop
Indicator light
Off: the built-in power amplifier is not at full volume
On: the built-in power amplifier is at full volume
Vol-
Button
Short press the button can reduce the volume of built-in power amplifier, long press
the button can reduce the volume continuously to minimum stop
Indicator light
Off: the volume of the built-in amplifier is not at its minimum
On: the volume of built-in power amplifier is at its minimum
Mute
Button
Short press the button to switch between play and mute of the power amplifier
sound.
When the IQAio is off, long press the button for 3 seconds to separately open the
built-in power amplifier of the IQAio, and the indicator light on the power button
under this state is on.To turn off the amplifier, please press "power" button for 3
seconds.
Indicator light
Off: built-in power amplifier works normally
On: built-in power amplifier is under mute status
IQUSB Port
Port
it's the intelligent IQUSB input port of the IQAio. After connected with the external
laptop, the touch function of the built-in whiteboard, the audio and power amplifier
