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Thank you, and congratulations on your choice of BOSS WP-20G GK Effect.
Before using this unit, carefully read the sections entitled: "USING THE UNIT SAFELY"
and "IMPORTANT NOTES" (p. 18; p. 21).
These sections provide important information concerning the proper operation of the unit.
Additionally, in order to feel assured that you have gained a good grasp of every feature
provided by your new unit, Owner's manual should be read in its entirety. The manual should
be saved and kept on hand as a convenient reference.
Main Features
New kind of effect for use with GK pickups and GK-Ready guitars.
Amazing new synth-like sounds not possible with conventional effects..
Built-in chorus and delay for even more sound variety.
Send and return for direct guitar signal.
The controls and pedals provide simple and intuitive operation.
Can run on battery power (six AA type).
Copyright © 2001 BOSS CORPORATION
All rights reserved. No part of this publication may
be reproduced in any form without the written
permission of BOSS CORPORATION.
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Table of Contents
Related Manuals for Boss Wave Processor WP-20G
Summary of Contents for Boss Wave Processor WP-20G
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Page 1: Main Features
Thank you, and congratulations on your choice of BOSS WP-20G GK Effect. Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY” and “IMPORTANT NOTES” (p. 18; p. 21). These sections provide important information concerning the proper operation of the unit. -
Page 2: Installing Batteries
Installing Batteries Insert the included batteries as shown in figure, being careful to orient the batteries correctly. fig.02 • When turning the unit upside-down, get a bunch of newspapers or magazines, and place them under the four corners or at both ends to prevent damage to controls. -
Page 3: Making The Connections
Making the Connections About the GK-2A To use the WP-20G with a guitar equipped with the GK-2A (or other GK- compatible guitar), you will need an optional GK cable. Refer to the GK-2A Owner’s Manual for instructions on installing the GK-2A. -
Page 4: Turning On The Power
Making the Connections • To get the best performance from the instrument, set your amp to “Clean” (no distortion). • When connecting the instrument to a guitar amp, make the necessary adjustments to get the most suitable tone. When recording direct, use this with a COSM amp (GT-3, GP-20 etc.). -
Page 5: Operating Instructions
Operating Instructions Using the Pedals “MASTER: ON” and “EFFECTS: OFF” are selected when the power is turned on. fig.04 When at “ON” When at “OFF” When at “ON” When at “OFF” Illuminated Extinguished Illuminated Extinguished Master is toggled on and off by stepping The effect (DELAY, CHORUS) can be on the MASTER On/Off pedal. - Page 6 Operating Instructions Panel Operations In order to follow along with the instructions given here, you should start out by having Master switched ON (press the MASTER On/Off pedal and confirm that the MASTER ON/ OFF indicator has lighted). Also, press the Effects On/Off pedal to switch OFF effects (EFFECTS ON/OFF indicator extinguished).
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Page 7: Part Names And Functions
Part Names and Functions Front Panel WAVE fig.06 TYPE Knob Select the tone. SAW LEAD: Analog synth-type sound that is perfect for lead guitar. SQUARE: Analog synth-type sound perfect for backing. RING MOD: Metallic, bell-like sound. SLOW GEAR: Sound that is effective for volume- control performance techniques. -
Page 8: Mode Knob
Part Names and Functions EFFECTS fig.07 MODE Knob Used to make settings for the Effect mode. DELAY 1: Sets the doubling (similar to twin guitars). DELAY 2–5: Progressively longer delay times. DELAY+CHORUS 1–5: Adds chorus to the DELAY 1–5 settings. CHORUS: Selects chorus only. -
Page 9: Effects On/Off
Part Names and Functions fig.08 POWER Indicator This lights up when the power is on. If this gets dim or fails to light up when the unit is running on battery power, it means that the batteries are depleted. Replace promptly with fresh batteries. “Installing Batteries”... -
Page 10: Output Jack
AC ADAPTOR Jack sounds input to the GUITAR RETURN) are mixed. This jack is for connecting an By mixing the normal pickup sound, AC adapter (BOSS PSA-series, you can create a sound that makes sold separately). your guitar sound come alive. -
Page 11: Application Examples
Application Examples Using in Combination with Other Effect Devices fig.10 Guitar with GK-2A or other GK-compatible guitar AC Adaptor PSA-series (sold separately) OUTPUT INPUT External Effector Guitar Amp... - Page 12 Application Examples Using in Combination with Another GK EFFECT (OC-20G) fig.11 OC-20G AC Adaptor PSA-series (sold separately) WP-20G AC Adaptor PSA-series Guitar with GK-2A (sold separately) or other GK-compatible guitar GK IN Guitar Amp US-20...
- Page 13 Application Examples Using in Combination with the GR-33 fig.12 Guitar with GK-2A or other GK-compatible guitar AC Adaptor PSA-series (sold separately) RETURN GK IN MIX OUT guitar amp simulator: ON US-20 GR-33 Power Amp + Speaker...
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Page 14: Troubleshooting
Troubleshooting The power doesn’t come on. Is the external device connected correctly to the OUTPUT jack? Check the connections again. * When running off batteries, the unit won’t switch on unless there’s something plugged into the OUTPUT jack. This helps conserve the batteries. Have the batteries run down? Replace with fresh batteries (p. - Page 15 Troubleshooting No effects are being applied. Is the GK-2A’s selection switch set to “MIX?” When set to “GUITAR” or “SYNTH,” the necessary signals may not be input to the unit, which may prevent effects from being applied. No effects are applied to sounds input to GUITAR RETURN and normal pickup sounds.
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Page 16: Sample Settings
Sample Settings SAW LEAD fig.13 SITAR fig.14 ACOUSTIC fig.15... -
Page 17: Specifications
Specifications WP-20G: GK EFFECT Residual Noise Level -96 dBu Controls (GK IN: terminated, Effects: OFF, Normal Master On/Off Pedal PU Mix: OFF, IHF-A, typ.) Effects On/Off Pedal Power Supply TYPE Knob DC 9 V: Dry Battery x 6, AC Adaptor... - Page 18 USING THE UNIT SAFELY Used for instructions intended symbol alerts the user to important to alert the user to the risk of instructions or warnings. death or severe injury should The specific meaning of the symbol is determined by the design contained within the unit be used improperly.
- Page 19 008b 012c • Use only the specified AC adaptor, • Immediately turn the power off, and make sure the line voltage at remove the AC adaptor from the the installation matches the input outlet, and request servicing by voltage specified on the AC your retailer, the nearest Roland adaptor’s body.
- Page 20 109b • Batteries must never be recharged, • Before cleaning the unit, turn off the heated, taken apart, or thrown into power and unplug the AC adaptor fire or water. from the outlet (p. 3)................... 110b • Whenever you suspect the possibility ..................
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Page 21: Important Notes
IMPORTANT NOTES 291a In addition to the items listed under “USING THE UNIT SAFELY” on page 18–20, please read and observe the following: Power Supply: Use of Batteries • Do not use this unit on the same power circuit with any device that will generate line noise (such as an electric motor or variable lighting system). - Page 22 IMPORTANT NOTES Maintenance 401a • For everyday cleaning wipe the unit with a soft, dry cloth or one that has been slightly dampened with water. To remove stubborn dirt, use a cloth impregnated with a mild, non- abrasive detergent. Afterwards, be sure to wipe the unit thoroughly with a soft, dry cloth. •...
- Page 23 For EU Countries This product complies with the requirements of European Directive 89/336/EEC. For the USA FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT 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.
- Page 24 G6017300...