Chapter 9: Basic Operation; Setting A Mic Amplifier's Input Gain - Midas PRO SERIES Owner's Manual

Chapter 9: Basic Operation

This chapter is intended to familiarise you with the control centre by showing you how
to carry out some basic operations in order to get some audio out of it.
Note: As the operation of both input bays is principally the same, this chapter will
generally only show the operation of the 12-channel input bay. However, any
differences in operation between the 4-channel and 12-channel input bays will be
highlighted.
Please don't forget that, although this system is a complex, high-tech piece of
equipment, it is very easy to use.

Setting a mic amplifier's input gain

The control centre has two input gains per channel, one is the remote gain for the
analogue mic pre (stage box gain) and the other is the digital trim (console gain) (see
"Mic amp input gain (preliminary input processing)" on page 286). In its default state,
the stage box gain is in the channel strip and the console gain is in each input fast strip.
However, you can swap these sections over (by pressing the gain swap button) to give
you a more global control of the stage box gain.
GUI input fast strip
GUI channel
strip
Figure 15: Gain and filter sections of the input strips
Note: The gain trim and stage box control knobs on the control surface will adjust
whatever has been 'swapped' to their respective strips and not necessarily what their
names suggest. The stage box control knob (channel strip) always controls the
alternative 'swap' to the ones shown in the input fast strips on the GUI screen.
PRO Series Live Audio Systems
Owner's Manual
Input gain/trim section
Swap button
Graph shows the effect of
the filter on the signal
Input fast
strip
Filters
section
99
Channel
strip