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DISTRIBUTION AMPLIFIER/ZONE MIXER/MIC SPLITTER DA-410.
mixer/mic splitter is cheaper than utilise a graphic equaliser, and also avoids unwanted
manipulations.
The optional equaliser card provides a full parametric equalisation point. It means, you can
arbitrary choose and set-up the equalisation points parameters: gain, bandwidth and centre
frequency.
Two equalisation points per output (XLR-3-32) are available.
SECURITY COVER (TP-1)
In some installation, it could be necessary to tamper proof the front panel controls avoiding
unwanted or accidental manipulations. For this purpose, it is available as an option, a transparent
plastic security cover. The installation is very easy, by means of two screws provided.
KEY LOCKED SECURITY COVER (TS-1)
In some installations it is necessary isolate the distribution amplifier/zone mixer/mic splitter
controls more securely than with the plastic security cover. For this extra protection, it is available
an all-metallic and lockable security cover. This option cover fits into the four rack holes of the unit
and includes rear nut-bars allowing the installation as a stand-alone unit.
This cover prevents also from unauthorised extraction of the unit when rack mounted.
7. SPECIAL OPERATIONS
In order to set-up some of the distribution amplifier possibilities, the unit must be opened. Care
must be taken when removing the bottom cover as the line transformer is attached to it.
NOTE:
This type of operations takes place with the unit open, for what it should be carried out by a
qualified technician.
DANGER:
Before opening the unit, disconnect it from the mains. It is important to indicate that
although the unit is power out (with the power switch in 0 position), if it continues connected to the
mains there are different parts of the unit that are subjected to high voltage.
CAUTION:
Protect the distribution amplifier from the rain and moisture, mainly if it is open. If liquid is
spilled into the unit, disconnect it from the mains and consult a qualified service technician.
The next picture shows the main PCB components layout of the unit to be used in the following
sections. Symmetry of the four input and ten output blocks makes ease the set-up, inspection, post-
servicing or installation of the available options.
Components naming starts in the upper left corner running to the opposite corner.
