00057080.DOC, Version 1.0
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3. OPERATING DETERMINATIONS
The volume controller was designed for use in audio systems and allows for controlling four different PA
zones to different volumes. The unit is inserted between the stereo speaker outputs of the power amplifier
and the stereo speakers. It is possible to connect two stereo amplifiers (max. 100 W RMS per channel) and
four speaker pairs (impedance 4 to 16 ). The stereo signal of one of the two amplifiers can separately be
selected for each speaker pair. Each individual controller offers ten switching positions.
The unit
operates in passive mode, i.e. it does not require any operating voltage.
This product was designed for indoor use only.
Do not shake the device. Avoid brute force when installing or operating the device. When choosing the
installation spot, please make sure that the device is not exposed to extreme heat, moisture or dust. There
should not be any cables lying around. You endanger your own and the safety of others!
The ambient temperature must always be between -5° C and +45° C. Keep away from direct insulation
(particularly in cars) and heaters. The relative humidity must not exceed 50 % with an ambient temperature
of 45° C. This device must only be operated in an altitude between -20 and 2000 m over NN.
Operate the device only after having familiarized with its functions. Do not permit operation by persons not
qualified for operating the device. Most damages are the result of unprofessional operation!
Never use solvents or aggressive detergents in order to clean the device! Rather use a soft and damp cloth.
Please use the original packaging if the device is to be transported.
Please consider that unauthorized modifications on the device are forbidden due to safety reasons!
If this device will be operated in any way different to the one described in this manual, the product may suffer
damages and the guarantee becomes void. Furthermore, any other operation may lead to dangers like short-
circuit, burns, electric shock, etc.
