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Presys Controls
Volume • For the cleanest signal, set the volume knob as high as possible,
without causing distortion or feedback.
Bass • Boost here to add depth and weight to the sound of the guitar.
Middle • Turn the middle knob all the way left for a smooth “scooped out”
tone at high volume levels. Raise the middle knob to the right of center to add
midrange “bite” to the sound.
Treble • Boost to cut through the mix. Cut to mellow and subdue the sound.
Phase • Use the phase switch to improve bass response at low volume and
suppress feedback at high volume.
Tuner • Use the tuner lights as shown below to tune your instrument.
Battery • When the batt indicator lights steadily it is time to change the bat-
tery. To conserve power, unplug the instrument and turn off the tuner when not
in use. Replace the battery by fl ipping open the preamp body using the latch
located above the Fishman logo. Be sure to observe the correct polarity during
this installation.
“A” note
below pitch
“A” note
in tune
“A” note
above pitch
“A#” note
in tune