Bose F1 Model 812 Passive Owner's Manual - Page 19
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Also for Bose F1 Model 812 Passive: Installation And Safety Manual (20 pages)
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Caring for Your Product
Cleaning
• Clean the product enclosures using only a soft, dry cloth.
• Do not use any solvents, chemicals, or cleaning solutions containing alcohol, ammonia, or abrasives.
• Do not use any sprays near the product or allow liquids to spill into any openings.
• If necessary, you may carefully vacuum the grille of the loudspeaker array.
Getting Service
For additional help in solving problems, contact the Bose Professional Sound Division at (877) 335-2673 or visit our
support area online at www.Bose.com/livesound.
Troubleshooting
If you experience problems while using this product, try the following solutions. The recommended troubleshooting
tools include a spare AC power cord and extra XLR and 1/4" phone plug cables.
Problem
Loudspeaker is plugged in,
power switch is on, but power
LED is off.
Power LED is on (green),but
no sound.
Instrument or audio source
sounds distorted.
Microphone is encountering
feedback.
Poor Bass Response
What to do
• Make sure the power cord is fully engaged into both the F1 Model 812 Loudspeaker and the AC
outlet.
• Make sure you have power at the AC outlet. Try operating a lamp or other equipment from the
same AC outlet.
• Try a different power cord.
• Make sure the VOLUME control is turned up.
• Make sure volume control is turned up on your instrument.
• Make sure your instrument or audio source is plugged into the appropriate input connector.
• If the F1 Model 812 Loudspeaker is receiving input from the F1 Subwoofer, make sure the
subwoofer is turned on.
• Lower the volume of the connected audio source.
• If you are connected to an external mixing console, make sure input gain to the mixing console
input channel is not clipping.
• Reduce the output of the mixing console.
• Reduce the input gain on the mixing console.
• Try positioning the microphone so it nearly touches your lips.
• Try a different microphone.
• Use the tone controls on the mixing console to reduce the offending frequencies.
• Increase the distance from the loudspeaker to the microphone.
• If using a vocal effects processor, make sure it is not contributing to the feedback.
• If using the F1 Model 812 Loudspeaker without the F1 Subwoofer, make sure the EQ switch is
set to FULL RANGE.
• If using the F1 Model 812 Loudspeaker with the F1 Subwoofer, check to see if the POLARITY
switch is in NORMAL mode. If there is a fair amount distance between the F1 Subwoofer and
the F1 Model 812 Loudspeaker, setting the POLARITY switch to REV may improve bass.
• If using two F1 Subwoofers, make sure that the POLARITY switch is in the same position on
each subwoofer.
Care and Maintenance
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