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USER GUIDE
ISYS III ONBOARD PREAMP
Isys III Quick Start
Isys III Controls
1. Set the controls • Set volume off and bass, middle and treble to center.
2. Plug in • Connect the Isys III to an amplifi er or PA with a ¼-inch instrument
cable. The batt light will fl ash once quickly to indicate it has switched on.
3. Tune up • Press the tuner button. When it’s on, the tuner mutes the
signal. Press again to exit.
4. Turn up • Raise the volume and adjust the bass and treble controls to your
liking.
2 3
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.
Tune • Use the tuner lights as shown below to tune your instrument.
“A” note
below pitch
“A” note
in tune
“A” note
above pitch
“A#” note
in tune
When the batt lamp lights steadily it is time to change the battery. To conserve
the battery, unplug the instrument and turn off the tuner when not in use.
FCC COMPLIANCE NOTICE
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and if not used in accordance with the instructions, may cause harmful
interference to radio communications and there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to
correct the interference by one or more of the following measures: reorient or relocate the receiving
antenna, increase the separation between the equipment and receiver, connect the equipment into
an outlet on a circuit different from that of the receiver. Consult the dealer or an experienced radio/TV
technician if help is needed with interference.
NOTE: FMIC and Fishman Transducers, Inc. are not responsible for unauthorized equipment
modifi cations that could violate FCC rules, and/ or void product safety certifi cations.
www.fi shman.com
513-300-163 Rev C 2-11
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