Instructions
10
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PA Mixing Amplifier
These instructions are intended for installers of
PA systems and for users without any specific
technical knowledge (chapter 4). Please read
the instructions carefully prior to installation and
keep them for later reference.
1 Applications
This amplifier with a power rating of 120 W
is specially designed for PA systems. Either
use 100 V or 70 V speakers or low-impedance
speakers (minimum impedance: 4 Ω). Apart from
mains operation, it also allows 24 V operation for
mobile applications.
For reproducing speech and music, up to
3microphones and up to 4 other audio sources
can be connected. The connection TEL INPUT is
available for important (emergency) announce-
ments. In addition, a remotely controllable music
module with Bluetooth receiver, DAB+/ FM radio
and audio player for micro SD memory cards / USB
flash drives* is integrated.
*
Due to the large number of storage device manufac-
turers and device drivers, it cannot be guaranteed that
all storage media are compatible with the audio player.
2 Safety Notes
This product corresponds to all relevant directives
of the EU and is therefore marked with .
WARNING
This product uses dangerous
mains voltage. Leave servicing to
skilled personnel only and do not
insert anything into the air vents.
Risk of electric shock!
During operation, there is a hazard of contact
with a dangerous voltage of up to 100 V at the
terminals SPEAKER OUTPUT. Always put the
protective caps on the terminals when oper-
ating the product.
•
The product is suitable for indoor use only.
Protect it against dripping water, splash water
and high air humidity. The admissible ambient
temperature range is 0 – 40 °C.
•
Do not place any vessels filled with liquid, e. g.
drinking glasses, on the product.
•
The heat generated inside the product must
be dissipated by air circulation. Never cover
the air vents of the housing.
•
Do not use the product and immediately dis-
connect it from the power supply
1. if the unit or the mains cable is visibly dam-
aged,
2.
if a defect might have occurred after the
unit was dropped or suffered a similar
accident,
3. if malfunctions occur.
In any case the product must be repaired by
skilled personnel.
•
Never pull the mains cable to disconnect the
mains plug from the mains socket, always
seize the plug.
•
For cleaning the product only use a dry, soft
cloth; never use water or chemicals.
•
No guarantee claims for the product and no
liability for any resulting personal damage or
material damage will be accepted if the prod-
uct is not correctly used or if it is not expertly
repaired.
If the product is to be put out of opera-
tion definitely, dispose of the product in
accordance with local regulations
3 Installation
Set up the amplifier on a flat, horizontal surface
so that air will be able to flow freely through the
air vents on the sides and on the rear to ensure
sufficient cooling. Always switch off the ampli-
fier before making or changing any connec-
tions. After connecting, put the protective
caps on the screw terminals to protect you
against any accidental contact.
3.1 Inputs
1)
To connect a microphone, use the jack CH 1,
CH 2 or CH 3. The input CH 1 or TEL INPUT
has highest priority (selectable with DIP switch
No.4), i. e. when a signal is available at one
of these two inputs, all other channels will be
muted. Set the DIP switches SELECT to the
required positions:
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