User’s Manual
16 17
15. System SetUp (Step by Step)
The inputs of the mixer can accommodate a wide
range of sources including active paging stations,
dynamic microphones, DVD,CD and Mp3 players
and mixers.
The Direct out and Preout outputs may be used to
drive power amplifiers, mixers, or mixer amplifiers.
The Power output may be used to drive constant
voltage or constant impedance speaker lines.
Each
installation
will
require
setting
the
appropriate relative mix of levels between paging,
program sources and mic/line inputs for each line
or amplified outputs.
Because of the variation in levels between the
possible sources, the mixer offers a number of
gain stage adjustments and parameter tools so
you can set the correct levels for your application.
Also consider what the outputs are driving….
Setting up correct parameter structure through the
whole system is important to achieve optimal
results.
The following step by step procedure has been
devised to assist during the setup process.
•
Connect the speaker lines to the correct
power output socket.
•
Select
the
indicated
input
sensitivity
(mic/Line)by the dipswitch (21) located on the
back panel, for each input in accord with the
source.
•
Active the phantom supply by the dipswitch
(21) located on the back panel if electrect
microphones are used.
•
Ensure that all the Gains and Volume controls
are at minimum, and that the Tone controls
are flat.
•
Keep the master volume for each output
channel at about 10%÷20%
•
Keep the input channels LEVEL (11) at about
5 (50%).
•
Adjust each input channel GAIN (2) in order
that the SIG (12) green led lit continuously
also with low input signal and that the CLIP
(13) red led lit with strong input signal.
•
Adjust each input channel GATE (1) in order
to avoid the noise gate activation cause
background noise or undesired signal but by
the speaker voice or input signal only.
•
Adjust the master volume and the input
channels LEVEL in order to obtain the
required sound pressure.
•
Optimize the room equalization and delays in
order to obtain the best intelligibility by the
DSP parameter tools.
•
Adjust the 3 band equalizer (8,9,10) for each
channel in order to obtain the best result with
each different input source.
16. Configuration Example
