Pioneer A-20-S: IMPORTANT

The exclamation point within an equilateral 

triangle is intended to alert the user to the 

presence of important operating and 

maintenance (servicing) instructions in the 

literature accompanying the appliance.

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.

CAUTION:

TO PREVENT THE RISK OF ELECTRIC 

SHOCK, DO NOT REMOVE COVER (OR 

BACK). NO USER-SERVICEABLE PARTS 

INSIDE. REFER SERVICING TO QUALIFIED 

SERVICE PERSONNEL.

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

IMPORTANT

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WARNING

This equipment is not waterproof. To prevent a fire or 

shock hazard, do not place any container filled with 

liquid near this equipment (such as a vase or flower 

pot) or expose it to dripping, splashing, rain or 

moisture.

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WARNING

Before plugging in for the first time, read the following 

section carefully.

The voltage of the available power supply differs 

according to country or region. Be sure that the 

power supply voltage of the area where this unit 

will be used meets the required voltage (e.g., 230 V 

or 120 V) written on the rear panel.

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WARNING

To prevent a fire hazard, do not place any naked flame 

sources (such as a lighted candle) on the equipment.

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VENTILATION CAUTION

When installing this unit, make sure to leave space 

around the unit for ventilation to improve heat radiation 

(at least 30 cm at top, 10 cm at rear, and 10 cm at each 

side).

WARNING

Slots and openings in the cabinet are provided for 

ventilation to ensure reliable operation of the product, 

and to protect it from overheating. To prevent fire 

hazard, the openings should never be blocked or 

covered with items (such as newspapers, table-cloths, 

curtains) or by operating the equipment on thick carpet 

or a bed.

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Information for users on collection and disposal of old equipment and used batteries

These symbols on the products, packaging, and/or accompanying documents mean 

that used electrical and electronic products and batteries should not be mixed with 

general household waste.

For proper treatment, recovery and recycling of old products and used batteries, 

please take them to applicable collection points in accordance with your national 

legislation.

By disposing of these products and batteries correctly, you will help to save valuable 

resources and prevent any potential negative effects on human health and the 

environment which could otherwise arise from inappropriate waste handling.

For more information about collection and recycling of old products and batteries, 

please contact your local municipality, your waste disposal service or the point of sale 

where you purchased the items.

These symbols are only valid in the European Union.

For countries outside the European Union:

If you wish to discard these items, please contact your local authorities or dealer and 

ask for the correct method of disposal.

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Symbol examples 

for batteries

Symbol for 

equipment

Pb

European model only

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