Lenco BT-4650 User Manual

BT-4650

3D SOUND SPEAKER

WITH BLUETOOTH®

User's Guide

www.lenco.com

201307 v1.0

When used in the directed manner, this unit has been designed and manufactured to ensure
your personal safety. However, improper use can result in potential electrical shock or fire
hazards. Please read all safety and operating instructions carefully before installation and use,
and keep these instructions handy for future reference. Take special note of all warnings listed in
these instructions and on the unit.

1. Water and Moisture
The unit should not be used near water. For example: near a bathtub, washbowl, kitchen sink,
laundry tub, swimming pool or in a set basement.

2. Ventilation

The unit should be situated so that its location or position does not interfere with its proper

ventilation. For example, it should not be situated on a bed, sofa, rug or similar surface that
may bl ock the ventilation openings. The ventilation should not be impeded by covering the
ventilation openings with items, such as newspapers, table-cloths, curtains, etc. Also, it
should not be placed in a built-in installation, such as a bookcase or cabinet, which may
impede the flow of air through the ventilation openings; minimum distances 30 cm around the
apparatus for sufficient ventilations.

3. Heat & Flame
The unit should be situated away from heat sources such as radiators, heat registers, stoves
or other appliances (including amplifiers) that produce heat.
No naked flame sources, such as lighted candles, should be placed on the apparatus.

4. Power Source
The unit should be connected to a power supply only of the type described in the operating
instructions or as marked on the appliance. W here the direct plug-in adaptor is used as the
disconnect device, the disconnect device shall remain readily operable.

5. Cleaning
The unit should be cleaned only as recommended. See the section "Care and Maintenance"
of this manual for cleaning instructions.

6. Object and Liquid Entry
Care should be taken so that objects do not fall and liquids are not spilled into any openings
or vents located on the unit. It shall not be exposed to dripping or splashing and that no
objects filled with liquids, such as vases, shall be placed on the apparatus.

7. Attachments
Do not use attachments no recommended by the product manufacturer.

8. Lightning and Power Surge Protection
Unplug the unit from the wall outlet and disconnect the periods of time. This will prevent
damage to the product due to lightning and power-line surges.

9. Overloading
Do not overload wall outlets, extension cords, or integral convenience receptacles as this can
result in a risk of fire of electric shock.

10. Damage Requiring Service
This unit should be serviced by qualified service personnel when:
A. Objects have fallen into or liquid has been spilled into the enclosure.
B. The unit has been exposed to rain.
C. The unit has been dropped or the enclosure damaged.
D. The unit exhibits a marked change in performance or does not operate normally.

11. Servicing

Important safety instructions

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The user should not attempt to service the unit beyond those methods described in the user's
operating instructions. Service methods not covered in the operating instructions should be
referred to qualified service personnel.

• Do not subject the unit to excessive force, shock, dust or extreme temperature.

• Do not tamper the internal components of the unit.

• Clean your unit with a damp (never wet) cloth. Solvent or detergent should never be used.

• Avoid leaving your unit in direct sunlight or in hot, humid or dusty places.

• Keep your unit away from heating appliances and sources of electrical noise such as

fluorescent lamps or motors.

Resetting the unit
If the unit experiences a power surge or electric shock, it is possible that the internal micro­controller may lock up and the unit will not respond to any commands from the panel controls.

1. In this event, unplug and then reconnect the AC-DC power adaptor into the wall outlet.

2. Use a straightened paper clip, toothpick or similar objects to press the RESET button located
at the rear of the main unit (see the below figure). The reset operation clears the system
memory and all of your previous settings will be erased.

Caution: Do not use a sharp, pointed object to press the reset button. It may damage the
reset switch inside the unit.

Thank you for purchasing the BT-4650 - 3D sound speaker with Bluetooth®.
This model incorporates following features:

- Playback mobile device, like Apple devices, smart phones or tablet music through Bluetooth®

technology

- Audio line-in (AUX) for connecting other digital audio player

- Built-in 4 High Fidelity Speakers and incorporated wave field synthesis (WFS) technology to

- Built-in subwoofer for heavy bass effect

iPhone, iPod, iPod mini, iPod nano, iPod touch, iPod classic and iPod shuffle are trademarks of
Apple Inc., registered in the U.S. and other countries.

Apple devices like iPad/iPhone/iPod, smart phones and/or tablet are not included.

produce 3D sound effect

Care and maintenance

Features

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