Omnia Audio Omnia.9 - Manual (Page 132)

R The MPX Test Generator and L/R Test Generator are described in detail below.
MPX Test Tone Generator: Control Details and Suggested Applications
The MPX and L/R Test Tone Generator controls allows you choose from several key test tones which can
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R Log Sweep (MPX) is a logarithmic equivalent.
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response of your air chain.
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Certain exciters will go into protection mode if fed a full modulation sine
wave this low in frequency, so please be careful!
R 30 Hz Phase Invert
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Chapter 18 System Menu
132