Alto Dragonfly PM-12 Service Manual page 68

show as below while the LOW CUT switch is pressed or not pressed.
(2) Q HI & LOW are set maximum and minimum independently (EQ MID in center), the response curve is
as below.
(3) EQ MID are set maximum and minimum independently (EQ HI & LOW in center), and set FREQ at
100Hz and 8KHz respectively, the response curve is as below.
(4) Set HI MID in left and LOW MID in right, or set HI MID in right and LOW MID in left, the response
curve is as below.
(5) STEREO GRAPHIC EQ function test:
EQ HI, MID and LOW knobs are all set in center, press EQ ON of STEREO GRAPHIC EQ down. Set
the faders of 16K, 4K, 1K, 250, 63 in maximum and 8K, 2K, 500, 125 in minimum, or set the faders of
16K, 4k, 1k, 250, 63 in minimum and 8K, 2K, 500,125 in maximum, the response is as below.
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