Yamaha F12M Owner's Manual - Page 2

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Precautions

AVOID EXCESSIVE HEAT, HUMIDITY, DUST

AND VIBRATION

When choosing a location for your speakers, avoid the

following:

• Direct sunlight, high temperatures (such as near heat-

ers), or excessively low temperatures.

• High humidity.

• Areas subject to excessive dust accumulation and

vibration.

• Non-level or unstable surfaces.

HOW TO POWER UP YOUR SOUND SYSTEM

To avoid damage to your speakers and other parts of

your system, when you turn on your system, ALWAYS

turn the power amp on last! This will avoid loud, dam-

aging pops that will annoy your audience, and blow

your speakers. When you power down, the ampliﬁer

should ALWAYS be turned off ﬁrst to avoid the same

problems.

MAKE SURE THE POWER IS OFF BEFORE

MAKING OR REMOVING CONNECTIONS

Always turn the power switches of system components

OFF prior to connecting or disconnecting cables. Fail-

ure to do so may result in damage to speakers as well as

to connected equipment.

DISCONNECT CABLES BEFORE MOVING

THE SYSTEM

To prevent short circuits or breakage of cables, always

disconnect cables prior to moving system equipment.

MATCH CONNECTOR POLARITY

When using two or more speaker systems, be sure

match the polarity (+/–) of the speaker system connec-

tors to those at the ampliﬁer. If the polarities do not

match, the sounds produced by the speakers will inter-

fere with each other, making it impossible to achieve a

well-balanced sound ﬁeld.

KEEP THIS OWNER'S MANUAL IN A SAFE

PLACE FOR FUTURE REFERENCE

Downloaded from:

http://www.usersmanualguide.com/

To protect your speakers

When choosing a power ampliﬁer to use with your

speakers, make sure that its power output matches the

speakers' power capacity (refer to the "Speciﬁca-

tions" on page 5). Even if the ampliﬁer's power out-

put is lower than the speakers' PGM (program) power

capacity, the speakers may be damaged when clipping

of a high input signal occurs.

The following may cause damage to speakers:

• Feedback caused when using a microphone.

• Continuous high sound pressure level produced by

electronic instruments.

• Continuous high-power output distorted signals.

• Popping noises caused by turning on equipment, or

by connecting or disconnecting system components

while the ampliﬁer is turned on.

This product, when used in combination

with ampliﬁcation and/or additional

loudspeakers, may be capable of produc-

ing sound levels that could cause perma-

nent hearing loss.

DO NOT operate at high volume levels or

at a level that is uncomfortable. If you

experience any discomfort or ringing in

the ears, or suspect an hearing loss, you

should consult an audiologist.

SPEAKER HANDLES

The handles on your speakers are for transportation.

The F12M/F25/F28 models are not designed for sus-

pension or hanging. Only the F12/F15 models are

designed for suspension. Please consult a qualiﬁed

engineer for proper hanging techniques.

Fly-Ware

Hang correctly according to the instructions on page 4.