Roland Corporation WP-20G Owner's Manual
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.
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. Also, you should try to orient the unit so no controls get damaged.
• When turning the unit upside-down, handle with care to avoid dropping it, or
allowing it to fall or tip over.
• Make sure the “+” and “-” ends of the batteries are oriented correctly.
• When the batteries run down, the POWER indicator gets dim. If this happens,
replace with new batteries.
• When replacing the batteries, use six AA type.
• Do not mix fresh batteries with used ones, or mix batteries of different types.
Doing so can result in fluid leakage.
• Battery life can vary depending on battery type.
Continuous usage time under battery power is about 6 hours with alkaline
batteries and about 2 hours with carbon batteries. (This may vary according
to usage conditions.)
2
Making the Connections
About the GK-2A
To use the WP-20G with a guitar equipped with the GK-2A (or other GKcompatible guitar), you will need an optional GK cable.
Refer to the GK-2A Owner’s Manual for instructions on installing the GK-2A.
S1/S2 Switch
The GK-2A’s S1/S2 switches correspond to this unit’s MASTER On/Off pedal
and Effects On/Off pedal, respectively.
Selection Switch
Set to the “MIX” position.
Note that this unit processes tones using the instrument’s divided pickup
signal (signal output when SYNTH is selected).
No sound is produced when the following settings are combined.
GK-2A This unit’s settings
SYNTH MASTER: OFF
GUITAR MASTER: ON + NORMAL PU MIX: OFF (rear panel)
SYNTH VOL Knob
Controls the volume when MASTER ON is selected.
Connecting
fig.03
Guitar with GK-2A
GK-compatible guitar
AC Adaptor
PSA-series
(sold separately)
or other
Guitar Amp
3
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.).
• When connecting a GK cable, insert the cable completely until the connector is
securely locked. When disconnecting, press the connector’s lock while you detach
the cable.
* Always turn the amp volume down completely before connecting and disconnecting cords.
* To prevent malfunction and/or damage to speakers or other devices, always turn down the
volume, and turn off the power on all devices before making any connections.
* If there are batteries in the unit while an AC adaptor is being used, normal operation will
continue should the line voltage be interrupted (power blackout or power cord disconnection).
Turning On the Power
Be sure to observe the following order when connecting devices and switching on the
power to your equipment. By turning on devices in the wrong order, you risk causing
malfunction and/or damage to speakers and other devices.
Connect the GK-2A ➝ (Connect the AC Adaptor) ➝ Connect the Amp ➝ Turn On Amp Power
* When the unit is running on battery power, the power comes on when you insert the connector
plug into the OUTPUT jack.
* Always make sure to have the volume level turned down before switching on power. Even with
the volume all the way down, you may still hear some sound when the power is switched on,
but this is normal, and does not indicate a malfunction.
* When operating on battery power only, the unit’s indicator will become dim when battery
power gets too low. Replace the battery as soon as possible.
4
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”
Illuminated
Master is toggled on and off by stepping
on the MASTER On/Off pedal.
When switched on, the tone selected
with the TYPE knob is output.
When off, the output from the divided
pickup is muted, and the sounds from
the normal pickup (or the sounds input
to GUITAR RETURN) are output
without change.
➝
Extinguished
When at “ON” When at “OFF”
Illuminated
The effect (DELAY, CHORUS) can be
toggled on and off by stepping on
the Effects On/Off pedal.
DELAY and CHORUS are
not applied to the Normal
Pickup output.
➝➝➝
Extinguished
5
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).
fig.05
Select a tone.
1.
You can select
six different
wave types with
the TYPE knob.
Adjust the tone with
2.
the COLOR knob.
This knob adjusts the tone.
The way in which it works
will vary depending on the
effect type selected.
Turn the MODE knob
5.
to select one of eleven
effect modes.
This switches the
DELAY and CHORUS
settings.
Turn the LEVEL knob to
3.
adjust the volume.
Adjust this while
switching the MASTER
On/Off pedal so that the
volume is roughly the
same whether Master is
on or off.
Press the Effects On/Off pedal to switch the
4.
effects on (EFFECTS ON/OFF indicator is lit).
Turn the EFFECT LEVEL knob to
6.
adjust the volume of the effect.
If raising the effect level
increases the overall volume
too much, try reducing the
volume with the LEVEL knob.
6
Part Names and Functions
Front Panel
WAVE
fig.06
TYPE Knob
Select the tone.
SAW LEAD: Analog synth-type sound that is
SQUARE: Analog synth-type sound perfect for
RING MOD:
SLOW GEAR:
SITAR: Sitar sound.
ACOUSTIC: Acoustic guitar sound.
perfect for lead guitar.
backing.
Metallic, bell-like sound.
Sound that is effective for volume-
control performance techniques.
LEVEL Knob
Adjusts the volume.
COLOR Knob
These adjust the tone. Each TYPE works differently.
The following describes the basic function of each type.
TYPE Function
SAW LEAD: Clockwise rotation produces a brighter sound.
SQUARE: Clockwise rotation produces a brighter sound.
RING MOD:
SLOW GEAR:
SITAR:
ACOUSTIC:
Clockwise rotation increases the modulation frequency.
Clockwise rotation slows the attack.
Clockwise rotation increases the resonance effect.
Clockwise rotation changes the sound from a
highly resonant sound to a bright and lively sound.
7
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
CHORUS: Selects chorus only.
: Adds chorus to the DELAY 1–5 settings.
EFFECT LEVEL Knob
Sets the chorus volume level in
CHORUS mode.
In other modes, this sets the volume
of the delay effect (the chorus
volume in DELAY+CHORUS mode
is not changed).
8
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