Troubleshooting guide

Modular Processors
SHURE
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P4800 System Processor Software Guide Page 49 of 108
Default
Click this button to reset the processor to its system default settings.
Mute
Click this button to mute the output channel. When mute is active, the button appears lighted in red
The default setting is inactive.
Mute activated
Mute inactive
Polarity
Click this button to invert the polarity of the signal entering the output channel strip. The default setting
is normal polarity.
Normal polarity
Inverse polarity
Low Corner Freq
This indicates the frequency setting of the lower corner of the pass band. The range of
values available depends on the setting of the upper corner frequency, as corner
frequencies cannot overlap. You can change the value by clicking on the spin buttons, using the
keyboard controls, or typing in a specific value. The default values for the various pass bands are
listed below for each type of crossover.
Xover Type 2-way 3-way 4-way 5-way
Band 1 OUT OUT OUT OUT
Band 2 2.0 kHz 200 Hz 150 Hz 60 Hz
Band 3
−
2.0 kHz 1.5 kHz 150 Hz
Band 4
− −
5.0 kHz 1.0 kHz
Band 5
− − −
6.0 kHz
Low Filter Type/Upper Filter Type
This indicates the slope of the corresponding pass band corner. Select a value from the
pull-down menu, as listed below. The default setting is 24dB/oct Linkwitz-Riley.
Abbreviation Description
6 Butt 6dB/oct Butterworth
12 Butt 12dB/oct Butterworth
12 Bess 12dB/oct Bessel
12 L-R 12dB/oct Linkwitz-Riley
18 Butt 18dB/oct Butterworth
24 Butt 24dB/oct Butterworth
24 Bess 24dB/oct Bessel
24 L-R 24dB/oct Linkwitz-Riley