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Gig-fx PRO-CHOP Operating Manual

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PRO-CHOP
Operating Manual
PATENTS PENDING WORLDWIDE

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Summary of Contents for Gig-fx PRO-CHOP

  • Page 1 PRO-CHOP Operating Manual PATENTS PENDING WORLDWIDE...
  • Page 2 (or a piece of equipment in the path) is faulty, there is a real danger of electrical shock. gig-fx pedals offer the possibility of working in stereo using two amplifiers. If one of your amplifiers is connected to a different electrical circuit from the other, you need to make sure that both circuits are wired correctly.
  • Page 3 NEVER USE outlets which are not wired correctly. If you have ANY doubt at all, please call an experienced electrician. In addition to the above, make sure your amplifiers are wired correctly and have not been modified by inexperienced personnel. Beware of amplifiers that have switches that reverse polarity or “ground lift”...
  • Page 4 What to expect The PRO-CHOP will challenge your imagination and creativity. Unlike the myriad of ―me too‖ effects out there, the PRO-CHOP can produce TOTALLY ORIGINAL sounds. For example, the PRO- CHOP can generate a sound that captures the richness and texture of a multi-tracked delay but without the repeated note hanging on.
  • Page 5 Hooking it up If you use a lot of gain, it is better to put the PRO-CHOP last in the chain of effects. This will retain the signal-to-noise ratio. HOWEVER, the PRO-CHOP can be followed by note-triggered effects to create some amazingly funky sounds.
  • Page 6 Ground loops (the kind of buzz you don’t want) Sometimes, when working in stereo, an annoying hum or buzz will appear when two amplifiers are used. This can occur when the amplifiers are plugged into two separate circuits, or if either of the amplifiers has some internal wiring issues, or if the large ground loop forms an antenna.
  • Page 7 ground connection. Consult an electrician first if you need to modify any 220V mains connections. 220V is a deadly voltage. In conclusion, providing that one of the amplifier grounds is still present throughout the circuit, it should be safe to lift one of the grounds and any ground-loop buzz should buzz off.
  • Page 8 The PRO-CHOP draws around 30mA, which will give a reasonable battery life. However, it is recommended that you use a power adapter on important sessions or gigs.
  • Page 9 Pedal Board Mounting Attach strips of self-adhesive Velcro sufficient to cover the rubber pads on the base plate of the pedal. Do not put Velcro in the middle of the pedal base plate as it will stress the plate if the pedal is ever removed from the pedal board.
  • Page 10 Stereo v. Mono The PRO-CHOP can be used as a mono device or a stereo device, however, the PRO-CHOP’s sound effects are much more entertaining in stereo.
  • Page 11 The PRO-CHOP produces many original and melodic effects in stereo. Think about it . . . on a recording, your instrument is rarely confined to one side or another — it is usually in stereo, and many productions use panning or other effects which sound much better in stereo.
  • Page 13 MODE SELECTOR SWITCH (top right) CHOP MODE  The CHOP mode produces unique chopped sounds by modulating a signal from an ―off‖ state to an ―on‖ state. The user has control over both the rate (speed of the time- based effect) and the ratio (the pulse length of the ―on‖ state).

  • Page 14: Blend Mode

    PAN rate and depth, can all be varied independently to produce a variety of effects.  In this mode, the PRO-CHOP can be combined with other effects such as a wah or synth wah to produce some startlingly original effects. The BLEND mode can be used to emulate the intro to The Who’s famous song, You...
  • Page 15 SHAKE MODE:  In this mode, the chopped signal and PAN cycle are combined with some out-of-phase trickery.  The CHOP rate and ratio, PAN rate and depth, can all be varied independently to produce stunning never-heard- before effects, such as delay emulation (sounds like a delay and has all of the texture, but none of the hanging repeats).
  • Page 16  A LESLIE rotating speaker emulator can be achieved by putting the PRO-CHOP in STIR mode and using the pedal to vary the ―speed of rotation‖ to produce a startlingly realistic Leslie effect.

  • Page 17: Slide Switches

    SLIDE SWITCHES  There are two slide switches, one on the left side of the pedal and one on the right. The switch on the left controls the CHOP parameters, whereas the switch on the right controls the PAN parameters. ...
  • Page 18 RATE CONTROLS  There are two rate controls, one on the left side of the PRO-CHOP and one on the right. The control on the left controls the CHOP frequency, whereas the control on the right controls the PAN frequency. The rate controls are operative if the relevant slide switch is set to ―preset‖...
  • Page 19 DEPTH CONTROL (PAN or tremolo only)  The depth control adjusts the modulation depth of the PAN (stereo) or Tremolo (mono). The PRO-CHOP modulation depth goes all the way to ―off‖ giving a 100% PAN effect or a very deep tremolo pulse.
  • Page 20 MIDI Sync The PRO-CHOP can be synced to a MIDI beat from a drum machine, PC recording software or a synthesizer. The idea is to provide a guitar groove (or any instrument — even the voice) no other pedal effect can give. Simply hook up the MIDI out from the PC / drum machine to the PRO-CHOP and the PRO-CHOP will automatically detect the beat and sync to it.
  • Page 21 Scroll button This button scrolls through the parameters you want to adjust. Each time you press the scroll button you will see the selected parameter icon light up (begin to flash) one by one left to right (see LCD display diagram). You can choose any one of four parameters to adjust;...
  • Page 22 Modify button Once you have scrolled to the parameter you wish to adjust, use the modify button to adjust the parameter as required. For example, if you want to hear four chops for every MIDI beat, use the scroll button to scroll to the MULTIPLIER icon and then press the modify button to get the number 4 lit up.
  • Page 23 Safety, EMI This unit is compliant with:  FCC requirements for conducted and radiated emissions  EMI as described in CISPR 22  EMI requirements as described in EN55013  UL listing not required if used with class 2 (limited current) power supply or 9V battery ...
  • Page 24 PATCHES How to get the sounds…...
  • Page 34 Copyright gig-fx inc. Patents applied for protecting the design and some functions Contact info@gig-fx.com for customer support and further information or call (USA +1) 978 263 6432 Inside USA call toll-free 1-866 784 4439 gig-fx, Inc. 1050 Winter Street, Suite 1000...