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EN
www.boost-sound.com
slanted surfaces or stopping the rack abruptly during transport can result in the rack overturning or appli-
ances falling from or out of the rack and injuring people.
• Live components can be exposed by opening covers or removing components (unless this can be done
without tools). Contact points can also be live. If the appliance has to be opened in order to calibrate,
service, repair or replace components or assemblies, all of its poles must be disconnected from all sources
of voltage first. If the appliance has to be kept open and under voltage during maintenance or repairs, this
work may only be carried out by a specialist who is familiar with the risks involved and the relevant regula
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tions.
•
Never connect the appliance directly after transferring it from a cold to a warm room. The condensation
water that forms could destroy the appliance or result in an electric shock. Allow the device to reach room
temperature before connecting it. Wait until the condensation water has evaporated. This can take some
hours.
•
Do not place any naked flames such as those of burning candles on or next to the appliance.
•
Do not place the appliance on soft surfaces such as carpets or beds. Do not cover the air vents of the
appliance. Do not obstruct the air circulation with objects such as magazines, table cloths or curtains. This
prevents the dissipation of heat from the appliance and can result in overheating.
•
Only use the appliance in a moderate climate, not in tropical environments.
•
All persons involved in operating, installing and servicing the appliance and putting it into service must be
trained and qualified accordingly and observe these operating instructions.
•
If you are not sure about the correct connection or if questions arise which are not answered by the operat
-
ing instructions, please do not hesitate to contact support or a specialist of your choice. Consult a specialist
if you are in doubt the operating principle or the safety of the product.
•
The normal operation of the product may be disturbed by strong electro-magnetic interference. If this
happens, simply reset the product to resume normal operation by following the instruction manual. If the
product does not resume normal operation, please use the product in another location.
FUNCTION OF FRONT PANEL – BOOST- KS40 AMPLIFIER
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USB
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1. POWER: Press to turn on or turn off the main unit.
2. MIC1/MIC2 JACK: Plug the microphone into the jacks
3. USB JACK: Plug a USB stick into the jack .
4. MIC1/MIC2 VOL: Adjust the volume of MIC1/MIC2.
5. M.ECHO: Adjust to increase or decrease the echo depth of the microphones.
6. BASS CONTROL: Adjust to strengthen or weaken bass response.
7. LED Screen: Display the MP3 music play time.
8. TREBLE CONTROL Adjust to strengthen or weaken treble response.
9. BLUETOOTH LIGHT: Indicates the Bluetooth working status.
10. BALANCE CONTROL: Use the balance control knob to adjust the relative volume levels of the right and the
left speaker systems.
11. USB PLAY BUTTONS: PLAY/PAUSE/PREV/NEXT
12. MASTER VOLUME: Adjust the volume of the speaker system
13. INPUT SIGNAL SELECTOR: Choose input signal: AUX, MP3/ Bluetooth
14. INPUT SIGNAL SELECTOR: Choose input signal: MP3, Bluetooth