00033675.DOC, Version 1.1
13/16
Please note that damages caused by manual modifications on the device or unauthorized operation by
unqualified persons are not subject to warranty.
Keep away children and amateurs!
HEALTH HAZARD!
By operating an amplifying system, you can produce excessive sound pressure levels that may
lead to permanent hearing loss.
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 professional signal distributor. The
SD-28
allows to distribute 2 line input signals to 4
outputs each or 1 line input signal to 8 outputs. Thus, e.g. an audio signal can be applied to 8 amplifiers as a
maximum and the input level for each amplifier can individually be adjusted for each amplifier via a separate
control.
This product is allowed to be operated with an alternating current of 230 V, 50 Hz and 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!
Do not operate the device in extremely hot (more than 35° 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!
Never remove the serial barcode from the device as this would make the guarantee void.
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.
Summary of Contents for SD-28
Page 2: ......
