US Blaster Black Reference Series User Guide
4
2. Safety instructions
The US Blaster USB 4022 is intended for normal home use. Before you start using your Black Label
Reference Series you must be aware of the following safety instructions!
This equipment contains
components with an
electric power supply.
This current is strong
enough to cause electric
shocks if touched.
WARNING!
Do not open the appliance! You run the risk of
getting an electric shock. The appliance should
only be opened by a qualified professional.
The exclamation mark is
intended to warn the
user of important
maintenance and
operating instructions in
the manual for the
appliance.
1. First read the user guide thoroughly.
You should be aware of the safety instructions and operating instructions before use.
2. Follow the instructions
Only then can US Blaster guarantee the proper functioning of your USB 4022.
3. Cleaning
Do not use any cleaning products to clean your USB 4022.
Use a dry cloth.
4. Moisture and sunlight
Do not use the USB 4022 in a humid environment, and put it in a place where there is no direct
sunlight.
5.
Setting up and ventilation
Put the USB 4022 on a stable base. Make sure there is sufficient space around the center unit for
warm air to be discharged from the cooling profile.
6.
Power supply
Make sure that the power level that is set on the rear of the center unit agrees with the mains
power level.
In the United Kingdom the mains power level is 240 V.
7.
Cabling
For you safety, first make sure that the power cable is neatly tucked away along the walls and
similar.
No heavy objects should be placed on the mains power cable.
8. Metal and damp
Make sure that no metal objects or moisture can get into your USB 4022.
If this happens by accident: turn off your USB 4022 and disconnect it from the power supply.
Seek advice from a qualified professional.
9. Repair
Do not attempt to repair the USB 4022 yourself should it become defective.
Always use a qualified service technician.
10. Sound strength
Do not set the volume of your USB 4022 too high. A person's hearing can be damaged by long-
term exposure to loud sound!
Summary of Contents for USB 4022
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