Sennheiser evolution wireless series EM 100 - Manual (Page 7)

The EM 100 G3 stationary receiver
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Each of the channels in the frequency banks “ 1 ” to “ 20 ” has been factory-
preset to a fixed frequency (frequency preset).
The factory-preset frequencies within one frequency bank are intermodu-
lation-free. These frequencies cannot be changed.
For an overview of the frequency presets, please refer to the supplied
frequency information sheet. Updated versions of the frequency informa-
tion sheet can be downloaded from the EM 100 G3 product page on our
website at www.sennheiser.com.
The frequency bank “ U ” allows you to freely select and store frequencies.
It might be that these frequencies are not intermodulation-free (see
page 44).