Introduction - Zoom GFX-4 Operation Manual

Introduction

Thank you for selecting the ZOOM GFX-4 (simply called the "GFX-4" in this manual).
The GFX-4 is a sophisticated Guitar Effects Processor with the following features.
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Versatile array of effects
The Variable Architecture Modeling System (VAMS) adapts the internal configuration of the unit
to achieve exactly the desired sound. The GFX-4 includes vintage effects such as famous
overdrive, distortion, compressor, and phaser sounds of the seventies and eighties, as well as ultra-
modern processing functions. Up to eight effects can be freely combined for simultaneous use.
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Great choice of distortion sounds
In addition to traditional guitar amplifier characteristics, the GFX-4 uses modeling technology to
duplicate the sound and operation feel of celebrated compact distortion effects. Well-proven
combinations such as booster + distortion or compressor + overdrive can be established quickly and
easily. By combining distortion effects with the built-in amp and cabinet simulator, you can get
optimum sound also for line out recording.
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Designed to get the best out of any guitar
The ACTIVE NORMAL switch provides quick and precise impedance and level matching for any
guitar. Whether you have a passive pickup or use an active pickup or integrated preamp, your
instrument will sound its best.
The OUTPUT MONO jack uses analog bypass with a mechanical switch, so that the output in
bypass mode is not subject to any kind of digital signal processing.
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Simple and intuitive operation
Thanks to three FX panels, the GFX-4 can be operated like a series of compact effects. Foot
switches are convenient for turning effects on and off, and sound parameters can be adjusted
quickly with rotary controls. The Easy Edit function is a snap to use also during a performance.
With the GFX-4, playing your instrument and editing the sound is one seamless operation.
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Extensive patch library
A combination of effects can be assigned a name of up to six characters and stored as a patch in the
memory of the unit. There are 60 user patches (4 groups x 5 banks x 3 patches) which can be freely
rewritten, plus 60 preset patches that make the unit ready to use right out of the box. The
possibilities are almost endless.
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Great for use on stage
The GFX-4 incorporates an expression pedal that can serve as real-time effect controller or volume
pedal. The easy-to-read 6-character display and 2-character indicator make it easy to check patch
names and settings at a glance, which is helpful during a live gig.
In order to get the most out of this sophisticated product, please read this manual carefully
before use.
We recommend that you keep the manual at hand for future reference.
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ZOOM GFX-4