User Manual

4
CHARGING BATTERIES
Prior to use this system the internal 12V battery need to be charged for 12 hours. If the Power-switch is in OFF
position and the system is connected to mains, the battery will be (re)charged and the Charge-Led lights!!
Note: Pull the plug out of the mains outlet if the battery is fully charged!!
Before the device the first time is actuated, please charge the battery at least 12 hours and max. 72 hours! Battery
should be regularly charged. For optimal battery life the battery should be charged at least 1x per month. Please
note that if you do not load within 6 weeks, the battery becomes defective !!
TROUBLESHOOTING
One certain method of determining if a speaker is faulty is to substitute a speaker that is known to work correctly for
the suspected problem speaker. If the “normally correct speaker” is experiencing the same difficulties or problems
as the suspected problem speaker, use the information below to isolate the problem.
Problem
Possible cause
No output
Cables
Intermittent
Poor connections
Constant noise,
buzzing and/or
humming
Faulty electronic
Poor low-
frequency output
Improper polarity