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Volume Key (Volume Up/Down)
Press or hold to turn the volume up or down.
Power Key
Press and hold to enable or disable airplane mode, power on/off
or restart your Spro2.
Press to turn off or on the screen display.
Press twice quickly when the projector is turned on to adjust its
focus automatically.
Main Microphone / Auxiliary Microphone
Transmit your voice. The auxiliary microphone is useful for canceling
ambient noise.
Ventilation Port
Exhaust hot air when the projector is on.
WARNING!
Do not place anything near the ventilation port as this may cause
internal heat buildup. Do not place your hand near the ventilation port
as this may cause injury.
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