If the device has been exposed to drastic temperature fluctuation (e.g. after transportation), do not switch it
on immediately. The arising condensation water might damage your device. Leave the device switched off
until it has reached room temperature.
This device falls under protection-class III. The device always has to be operated with an appropriate
transformer.
Always disconnect from the mains, when the device is not in use or before cleaning it.
Please note that damages caused by manual modifications on the device or unauthorized operation by
unqualified persons are not subject to warranty.
CAUTION: Turn the amplifier on last and off first!
Keep away children and amateurs!
CAUTION: High volumes can cause hearing damage!
There are no serviceable parts inside the device. Maintenance and service operations are only to be carried
out by authorized dealers.
3. OPERATING DETERMINATIONS
This device is a Decibel Level Meter for displaying the signal level. This product is allowed to be operated
with an alternating current of 9-12 V, 50/60 Hz and was designed for indoor use only.
The device must only be operated with the included power unit. The power unit falls under protection-class 2
and the device under protection-class 3.
Never put any liquids on the device or close to it. Should any liquid enter the device nevertheless, disconnect
from mains immediately. Please let the device be checked by a qualified service technician before you
operate it again. Any damages caused by liquids having entered the device are not subject to warranty!
Do not shake the device. Avoid brute force when 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!
Do not operate the device in extremely hot (more than 30° C) or extremely cold (less than 5° C)
surroundings. Keep away from direct insulation (particularly in cars) and heaters.
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.
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