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Safety and Warnings
In addition to specific warnings throughout this document, please observe these additional general instructions.
The term "loudspeaker" includes the case when the electronics of an active loudspeaker is installed into a Remote
Electronics Kit, or when it is still located in the back of the cabinet.
This symbol means that a high voltage is to found nearby. Take appropriate precautions to avoid electric
shocks.
This symbol means that hot parts of the product may be found nearby. Take appropriate precautions to
avoid burns.
General
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Keep these instructions in a safe place for future reference.
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Failure to follow the safety and warning instructions contained in this document voids the warranty.
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This product should be used for the intention for which it was designed and as described in this document.
Environment
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Ensure that the room in which you use this product is wired in accordance with the local electrical code and
checked by a qualified inspector.
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A correctly earthed mains power connection should always be used.
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If access to the interior electronics is required, disconnect it from the mains power and allow electrical energy
storage devices, such as capacitors and transformers, to discharge.
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Other electronic products may generate sufficient heat to require ventilation.
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Do not block or cover heatsinks, fans, or vents.
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Unless otherwise stated, this product is designed to be used indoors only.
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Do not expose this product to water, any other liquids, moisture, or naked flames.
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Do not install this product into hot, humid, or excessively dusty locations, or into direct sunlight.
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Avoid installing this product into locations where it will experience externally generated vibrations or heat
(e.g. radiators).
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If the product is moved from a cold environment into a warm one (such as from a vehicle into a building), it is
possible that condensation will form. Please allow the product sufficient time for acclimatization to room
temperature before using.
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Wherever an amplifier is located, a free flow of air should be maintained by leaving a gap of at least 5 cm
(2") around it. A flush mounted cabinet with the electronics panel still installed should be well-ventilated to
avoid heat build-up and possible risk of fire.
Use
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The equipment should be mounted by a suitably qualified professional in accordance with local, national, and
international regulations and standards.
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Falling equipment can damage itself, people, and other objects, so do not place this unit on any unstable
platform, cart, trolley, stand, table, or mounting hardware.
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Do not use accessories and options with this product that are not approved by Klein + Hummel.
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Mounting hardware must be attached to the appropriate hardware and attachment points rated and
intended for such use.
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Ensure that the operating voltage of this product matches that of the local mains voltage.
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Use the power cable that came with this product as this has been manufactured to international safety
standards. If it has been damaged obtain a similarly certified and specified mains power cable.
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This product should be unplugged from the mains power and the signal sources if is not to be used for an
extended period of time, or during lightening storms.
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The power switch on this product should be set to off before applying mains power via the mains power
cable.
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Some parts of this product, particularly power amplifier components, can become hot to the touch. Do not
touch these parts until they have cooled down.
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Never touch the loudspeaker's drivers.
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Loudspeakers are often capable of producing a sound pressure level in excess of 85 dB. This may cause
permanent hearing damage so user caution is recommended. Noise exposure is a function of SPL and time, so
observe local regulations when listening at high levels for a long time. Hearing protection may be required.
Operating Manual O 810 / O 870
All manuals and user guides at all-guides.com
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Klein + Hummel
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