Mackie U.420 Owner'S Manual Download

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U.420 4-Channel Line Mixer

20 4-Channel Line Mix

Read these instructions.

Keep these instructions.

Heed all warnings.

Follow all instructions.

Do not use this apparatus near water.

Clean only with a dry cloth.

Do not block any ventilation openings. Install in accordance with the

manufacturer’s instructions.

Do not install near any heat sources such as radiators, heat registers,

stoves, or other apparatus (including amplifiers) that produce heat.

Do not defeat the safety purpose of the polarized or grounding-type

plug. A polarized plug has two blades with one wider than the other.

A grounding-type plug has two blades and a third grounding prong.

The wide blade or the third prong are provided for your safety. If the

provided plug does not fit into your outlet, consult an electrician for

replacement of the obsolete outlet.

10.

Protect the power cord from being walked on or pinched particularly at

plugs, convenience receptacles, and the point where they exit from the

apparatus.

11.

Only use attachments/accessories specified by the manufacturer.

12.

Use only with a cart, stand, tripod, bracket, or

table specified by the manufacturer, or sold with

the apparatus. When a cart is used, use caution

when moving the cart/apparatus combination to

avoid injury from tip-over.

13.

Unplug this apparatus during lightning storms or

when unused for long periods of time.

14.

Refer all servicing to qualified service personnel. Servicing is required

when the apparatus has been damaged in any way, such as power-

supply cord or plug is damaged, liquid has been spilled or objects have

fallen into the apparatus, the apparatus has been exposed to rain or

moisture, does not operate normally, or has been dropped.

15.

This apparatus shall not be exposed to dripping or splashing, and no

object filled with liquids, such as vases or beer glasses, shall be placed

on the apparatus.

16.

The AC adapter is used as the power disconnect device and should

remain readily accessible to the user.

17.

NOTE: This equipment has been tested and found to comply with

the limits for a Class B digital device, pursuant to part 15 of the FCC

Rules. These limits are designed to provide reasonable protection

against harmful interference in a residential installation. This

equipment generates, uses, and can radiate radio frequency energy

and, if not installed and used in accordance with the instructions,

may cause harmful interference to radio communications. However,

there is no guarantee that interference will not occur in a particular

installation.

If this equipment does cause harmful interference to radio or

television reception, which can be determined by turning the

equipment off and on, the user is encouraged to try to correct the

interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and the receiver.

• Connect the equipment into an outlet on a circuit different from

that to which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

CAUTION: Changes or modifications to this device not expressly

approved by LOUD Technologies Inc. could void the user’s authority to

operate the equipment under FCC rules.

18.

This apparatus does not exceed the Class A/Class B (whichever is

applicable) limits for radio noise emissions from digital apparatus as

set out in the radio interference regulations of the Canadian Department

of Communications.

ATTENTION

—

Le présent appareil numérique n’émet pas de bruits

radioélectriques dépassant las limites applicables aux appareils numériques de

class A/de class B (selon le cas) prescrites dans le réglement sur le brouillage

radioélectrique édicté par les ministere des communications du Canada.

19.

Exposure to extremely high noise levels may cause permanent hearing

loss. Individuals vary considerably in susceptibility to noise-induced

hearing loss, but nearly everyone will lose some hearing if exposed to

sufficiently intense noise for a period of time. The U.S. Government’s

Occupational Safety and Health Administration (OSHA) has specified

the permissible noise level exposures shown in the following chart.

According to OSHA, any exposure in excess of these permissible limits

could result in some hearing loss. To ensure against potentially danger-

ous exposure to high sound pressure levels, it is recommended that all

persons exposed to equipment capable of producing high sound pres-

sure levels use hearing protectors while the equipment is in operation.

Ear plugs or protectors in the ear canals or over the ears must be worn

when operating the equipment in order to prevent permanent hearing

loss if exposure is in excess of the limits set forth here.

Important Safety Instructions

Correct Disposal of this product:

This symbol indicates that this product should not be disposed of with your household waste, according to the WEEE Directive

(2002/96/EC) and your national law. This product should be handed over to an authorized collection site for recycling waste electrical and electronic equipment (EEE). Improper handling

of this type of waste could have a possible negative impact on the environment and human health due to potentially hazardous substances that are generally associated with EEE. At the

same time, your cooperation in the correct disposal of this product will contribute to the effective usage of natural resources. For more information about where you can drop off your waste

equipment for recycling, please contact your local city office, waste authority, or your household waste disposal service.

PORTABLE CART

WARNING

CAUTION

RISK OF ELECTRIC

SHOCK. DO NOT OPEN

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER (OR BACK)

NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL

The lightning flash with arrowhead symbol within an equilateral triangle is

intended to alert the user to the presence of uninsulated "dangerous

voltage" within the product's enclosure, that may be of sufficient magnitude

to constitute a risk of electric shock to persons.