Audio Control EQL Owner's Manual page 9

Figure 3. Removing the four top screws and lifting
the top panel provides access to the Programmable
Frequency Match filter module and Ground
Isolation Selector.
Programmable Frequency Match Programmable F Programmable F requency Match requency Match requency Match
Programmable F Programmable F requency Match
Filter Module and Ground Isolation Filter Module and Ground Isolation Filter Module and Ground Isolation Filter Module and Ground Isolation Filter Module and Ground Isolation
Selector (Inside) Selector (Inside) Selector (Inside) Selector (Inside) Selector (Inside)
The Programmable Frequency Match filter
module, as well as the Ground Isolation
Selector, are internal and can be accessed by
removing the four top screws and lifting the
top panel off the base, as shown in Figure 3
(also see Figure 8 on page 19). Be sure to turn
off the power before you open the EQL.
We ship each EQL with the Programmable
Frequency Match filter set at 33 Hz. Refer to
page 18 for information on how to create
your own custom PFM module.
Description
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