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BYPASS switch
Pressing BYPASS switches the EQ out of the signal path and allows A/B
comparison.
Remember if you are using any amount of boost, BYPASSing the EQ will
cause a noticeable drop in signal level.
In MONO mode Channel 2 BYPASS is inoperative and Channel 1 BYPASS
now switches the whole EQ in and out of circuit.
75Hz switch
Pressing this switch inserts a 75Hz, 12dB/Octave slope high pass filter into
the signal path before the EQ section. Primarily intended to remove
subsonic frequencies such as stage noise the filter can be used in
conjunction with the LF EQ section to tighten a flabby bass sound - see
applications.
In MONO (6 Band) mode only the filter switch on Channel 1 is enabled.
MONO led
Pressing the MODE switch on the rear of the EQX20 lights the MONO led.
This puts the two EQ channels in series to form a single mono 6 band unit.
In this mode the BYPASS and 75Hz filter switches on Channel 2 are
disabled. Channel 1 BYPASS now switches the whole EQ in and out of the
signal path.
Your input signal should now go to Channel 1's input and the output taken
from Channel 2's output. Channel 1 will still output signal but Channel 2's
input is disabled - see applications
5.1 CHANNEL 2
Channel 2 is similar to Channel 1 except for the Input, BYPASS and 75Hz
filter switch when used in MONO mode.
POWER indicator
The green POWER led is lit whenever mains power is supplied to the unit.