Bose S1 Pro Wireless PA English Owners Guide - Page 71

Feedback from a, into the system

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T roubleshooting SYMPTOM SOLUTION Distorted audio from an instrument or audio source Turn the volume down on the source. If your audio source ­volume can't be adjusted, you can purchase input pads from your local music retailer. Try a different source or instrument. If you're playing audio from a mobile device connected to the Channel 3 AUX input, make sure that the device isn't also ­connected to the USB POWER port for charging. This can create noise during audio playback. Make sure the Expanders setting for that channel is set to On, not Off (see page 75). Humming or buzzing when nothing is plugged into the system Using an AC (mains) outlet tester, test the outlet that the system is plugged into for any reversed or open (hot, neutral, and/or ground) contacts. If the system is plugged into an extension cord, plug the system directly into the AC (mains) wall outlet instead. Feedback from a ­microphone connected to the system Turn the channel volume down. Orient the microphone so that it's not pointing directly at the system. Try a different microphone. Try a different position for the system and/or vocalist. Increase the distance from the microphone to the system. If using a vocal effects processor, try bypassing it to determine if the processor settings are contributing to feedback. Make sure the Expanders setting for that channel is set to On, not Off (see page 75). Excessive hum when daisy-chaining together multiple systems Reduce the volume on the daisy-chained unit(s). | 7 1 E N G

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TROUBLESHOOTING
71
|
ENG
SYMPTOM
SOLUTION
Distorted audio from an
instrument or
audio source
Turn the volume down on the source. If your audio source volume
can’t be adjusted, you can purchase input pads from your local
music retailer.
Try a different source or instrument.
If you’re playing audio from a mobile device connected to
the Channel 3 AUX input, make sure that the device isn’t also
connected to the USB POWER port for charging. This can create
noise during audio playback.
Make sure the Expanders setting for that channel is set to
On
, not
Off (see page 75).
Humming or buzzing
when nothing is plugged
into the system
Using an AC (mains) outlet tester, test the outlet that the system
is plugged into for any reversed or open (hot, neutral, and/or
ground) contacts.
If the system is plugged into an extension cord, plug the system
directly into the AC (mains) wall outlet instead.
Feedback from a
microphone connected
to the system
Turn the channel volume down.
Orient the microphone so that it’s not pointing directly at
the system.
Try a different microphone.
Try a different position for the system and/or vocalist.
Increase the distance from the microphone to the system.
If using a vocal effects processor, try bypassing it to determine if
the processor settings are contributing to feedback.
Make sure the Expanders setting for that channel is set to
On
, not
Off (see page 75).
Excessive hum when
daisy-chaining together
multiple systems
Reduce the volume on the daisy-chained unit(s).