Alto Professional Transport 12 Manual do utilizador - Página 12
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Return Information
•
A Return Authorization number must be obtained from your local Alto Pro Representative. For
your representative go to altoprofessional.com.
•
A copy of the original sales receipt must also be included for the equipment to be repaired under
warranty.
•
The faulty equipment must be packed in its original packaging.
•
One additional outer layer of packaging must be included to ensure product safety. Failures to
do so may inadequately protect the equipment in transit and, therefore, jeopardize the
customer's warranty.
•
Alto Pro will not accept C.O.D. shipments and no call tags will be issued for merchandise return.
•
Alto Pro will not return repaired merchandise to customers by priority service, unless by written
request at the customer's cost. Requests must be submitted in writing with merchandise returned.
•
The defective Alto Pro equipment should be sent, freight prepaid with Return Merchant
Authorization number clearly printed on the outer packaging and original sales receipt enclosed
to your local service center.
Very Important
Please read this section before connecting this unit to your system:
For optimum performance:
•
All the slide faders are subject to wear. Excessive force can wear out the fader quickly. User
replaceable slide faders are not a warranted item.
•
Never use spray cleaners on the slide controls. Residues cause excessive dirt build-up and this
will void your warranty. In normal use slide controls can last for many years. If they malfunction
(usually because of a dirty or dusty environment) consult a professional technician.
•
Always make sure that AC power is OFF while making any connections.
•
Use appropriate cables throughout your system. Do not use excessively long cables (i.e. over 32
feet / 10 meters). Be sure plugs and jacks are tightly mated. Loose connections can cause hum,
noise or intermittents that could easily damage your speakers. Make the input and output
connections with readily available low-capacitance stereo cables. Quality cable makes a big
difference in audio fidelity and punch. See your Alto Pro dealer or an electronics or audio
specialist store if you are not sure which cables to use.
•
Never attempt to make any adjustments other than those described in this manual, or repairs.
Take the unit to your dealer or to an authorized Alto Pro Service Center.
•
Always remember: turn amps on last and off first. Begin with master faders or volume controls
on minimum and the amplifier gain/input control(s) down. Wait 8 to 10 seconds before turning up
the volume. This prevents transients which may cause severe speaker damage.
•
Use restraint when operating controls. Try to move them slowly. Rapid adjustments could
damage equipment due to amplifier clipping.
•
Avoid amplifier "clipping" at all costs: this occurs when the red LEDs (usually on the front panel
of most professional power amplifiers) start flashing. "Clipping" is when the power amplifier is
distorting and working beyond its limits. Amplifier distortion is the main cause of speaker failure.
•
To prevent fire or shock hazard, do not expose the unit to rain or moisture. Never place cans of
beer, soda, glasses of water or anything wet near or on top of the unit!
•
Headphone outputs can be set to levels which can cause damage to your ears. Use caution.
•
This unit may contain a microcomputer for signal processing and control functions. In very rare
situations, severe interference, noise from an external source, or static electricity may cause it to
lockup. In the unlikely event that this should happen, turn off the unit, wait at least five seconds,
and then turn it back on again.
•
Under rare circumstances, if this product is exposed to electromagnetic interference during use,
there may be a slight drop in signal-to-noise ratio.
•
Intended electromagnetic environments: residential, commercial, light industrial, urban outdoors.
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