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INSTRUCTION MANUAL
This product is a portable 2.0 audio system supporting Bluetooth, USB, SD card, external sound source input and FM
radio.
Precautions
Read the manual prior to first using the product and keep it for further reference.
For best sound performances, keep the unit away from water, moisture, direct sunlight, extreme temperatures.
Place the unit in such a way that it can't fall down.
Never disassemble the unit. Otherwise, it may invalidate the warranty.
Warning:
1. The apparatus shall not be exposed to dripping or splashing and no objects filled with liquids, such
as vases, shall be placed on the apparatus to avoid any accident.
2. To prevent fire or electric shock, please check the compliance of the voltage of power grid with the
specified supply voltage of this unit.
3. The mains plug is used as the disconnect device, the disconnect device shall remain readily operable.
4. Batteries shall not be exposed to excessive heat such as sunshine, fire ..etc
5. This equipment is a class II or double insulated electrical appliance. It has been designed in such a way
that it does not require a safety connection to electrical earth.
6. The product is designed to use in moderate climates.
Important Information
No naked flame sources, such as lighted candles, should not be placed on the apparatus.
The ventilation should not be impeded by covering the ventilation openings with items such as newspapers,
table-cloths, curtains, etc.
Used batteries should not be thrown into the garbage can, please leave them at an appropriate depot.
Accessories
□ Unit
□ User Manual
□ Remote Control
□ Line input cable with 3.5mm jack
□ Power line
Description of Front Panel
Under any mode or situation but standby (except standby), once you plug the AC power, the unit starts charging
power.
1. LED flash light
2. MIC Input connector
3. MIC Input connector
4. LED display screen
5. MEGA BASS
During playing: Press shortly to get super bass effect. Press again to stop super bass effect.
6. MENU button. Adjust Bass/Treble/MIC Vol/Echo
Press this button, the Display will show BS(Bass)/TE(Treble)/CV(MIC Volume/DP(MIC`s
Reverberation)/DS(Reverberation delays).
©Copyright LOTRONIC 2018
GB
BOOST-POWERSOUND28-400
2
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