Bedienungsanleitung Bose F1 Subwoofer (Seite 18 von 164) (Deutsch, Englisch, Holländisch, Dänisch, Französisch, Italienisch, Spanisch, Schwedisch)

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Care and Maintenance

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 What to do

Loudspeaker is plugged in,

power switch is on, but power

LED is off.

• 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.

Power LED is on (green),but

no sound.

• 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.

Instrument or audio source

sounds distorted.

• 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.

Microphone is encountering

feedback.

• 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.

Poor Bass Response • 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.

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