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Mini-Mixer location selector
Each Psychologist system ships with Mini-Mixers configured to control an output on the Matrix.
Follow the instructions below to add additional Mini-Mixers or alter the system configuration.
The two rotary decimal switches (see page 26) within the Mini-Mixer determine which physical
output location (and I/O channel) the Matrix Mixer associates with that Mini-Mixer. Monaural Mini-
Mixers take one output location on the Matrix Mixer, and stereo Mini-Mixers require two adjacent
output locations. You can view the assignment of each Mini-Mixer by looking at the small numbers
inside the holes on the side of the unit near the cable connectors. Two small holes in the bottom of
the Mini-Mixer unit allow you to change the assignment switch settings.
For information on adding or reconfiguring Mini-Mixers with you system, see Adding Mini-Mixers
on page 26.
Mini-Mixer Power
All remote controls are powered by an external power supply, either the supplied transformer, or
another equivalent supply. The supplied Intelix PPS-12 contains a 2 amp transformer and supplies
power to multiple remote controls in a typical system.
Large systems may require more than one PPS-12. The PPS-12 supplies can be connected into the
system in any order. If you use a long cable between the Matrix Mixer and the Mini-Mixers, locate
the PPS-12 near the Mini-Mixers, not near the Matrix Mixer. If your system requires two power
supplies, put one at each end of the Mini-Mixer chain. For systems with more than two power
supplies, distribute the power supplies equally between the Mini-Mixers. If you use AC power, you
cannot parallel them! Only DC power supplies can be paralleled.
You can create a backup power supply by connecting an additional unit in parallel with the main
power supply. The supply with the lower input voltage will act as a backup.
Refer to the following listing for exact power specifications of any external power supply.
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Psychologist Mixer User Manual
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Psychologist Mixer User Manual
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