Bose L1 Pro8 Guide Du Propriétaire page 16

Care & Maintenance
Care & Maintenance
Cleaning Your L1 Pro
Clean the product enclosure using only a soft, dry cloth. If necessary, carefully vacuum the grille of the L1 Pro.
CAUTION: Do not use any solvents, chemicals, or cleaning solutions containing alcohol, ammonia, or abrasives.
CAUTION: Do not use any sprays near the product or allow liquids to spill into any openings.
Troubleshooting
Problem
No power
No sound
Standby LED is flashing red
(thermal fault)
Standby LED is solid red
(system fault)
With nothing plugged into
the L1 Pro, a light hum or
buzz is heard
Instrument or audio source
sounds distorted
Microphone is encountering
feedback
16 • English
What to do
• Make sure you have power at the AC outlet. Try operating a lamp or other equipment
from the same AC outlet or test the outlet using an AC outlet tester.
• Make sure your L1 Pro is turned on.
Make sure your instrument is plugged into the Channel Input.
•
• Make sure the volume is turned up on your source.
• Make sure the volume is turned up on the L1 Pro.
• Make sure the L1 Pro isn't in AutoOff/Low-power Standby mode.
• Plug your instrument into a different amplifier to make sure the source is working.
Make sure the Channel Mute button is not engaged.
•
• Turn off the L1 Pro and wait 30 minutes before turning it back on.
• Move the L1 Pro to a cooler location.
• Move the L1 Pro to a location that has more ventilation.
Contact Bose customer service. Visit worldwide.Bose.com/contact.
•
• Using an AC outlet tester, test the AC outlet the L1 Pro is plugged into for reversed or
open (hot, neutral, and/or ground) contacts.
• If using an extension cord, plug the L1 Pro directly into the outlet.
• Turn down volume on the source.
• Turn down channel volume.
• Try a different source or instrument.
• Turn down channel volume.
• Orient the microphone so that it is not pointing directly at the L1 Pro.
• Try a different microphone.
• Try a different position for the L1 Pro and/or vocalist on stage.
• Increase the distance from the L1 Pro to the microphone.
• If using a vocal effects processor, make sure it is not contributing to the
feedback problem.
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L1 Pro8/Pro16 Portable Line Array System • Owner's Guide