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Main Features

Dedicated effects unit for the V-Guitar/GK pickup

The GR-D is an effects unit specifically designed for the GK pickup, which individually extracts the signal of each string. 

Since each string’s signal is processed individually, you’ll be able to experience completely new sounds that could not 

be produced by guitars with conventional pickups of the past.

Richly expressive sounds

The GR-D processes the signal from each string individually, generating rich and unprecedentedly expressive 

distortion sounds.

In addition to distortion that does not get muddy when you play a chord, you also get analog-synth-type lead sounds 

that go well beyond the boundaries of conventional effects units. All the distinctive features of a guitar performance 

will be fully expressed, without any sense of latency (the timing discrepancy between your playing and the sound).

Simple operation

Operation is effortless. Just twist the knobs and press the pedals to obtain cutting-edge V-Guitar sounds.

Memory function

Four effects settings can be stored (in memory) in the unit. You can switch memory slots using the [S1] [S2] buttons of 

the GK pickup for instant sound selection during your live performances.

Check the following points before using the GR-D

You’ll need a GK-compatible guitar

In order to use the GR-D, you’ll need a guitar equipped with a GK pickup or a GK-compatible guitar such as the 

GC-1 V-Guitar. (Hereafter, we’ll refer to such a guitar as a “GK-compatible guitar.”)

The GR-D does not support basses (GK-3B).

You must set the GK pickup select switch to the “MIX” position!

If the switch is set to any position other than MIX, the unit won’t operate correctly (there will be no sound).

GK-3 users

V-Guitar GC-1 users

You must set this to the center (MIX) position!

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Roland is either registered trademark or trademark of Roland Corporation in the United States and/or other countries.

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Company names and product names appearing in this document are registered trademarks or trademarks of their respective owners.

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This product contains eCROS integrated software platform of eSOL Co.,Ltd. eCROS is a trademark of eSOL Co., Ltd. in Japan.

Copyright © 2013 ROLAND CORPORATION 

All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION.

Summary of Contents for GR-D

Page 1: ...ue holding down it down for five seconds p 9 Before using this unit carefully read the sections entitled USING THE UNIT SAFELY and IMPORTANT NOTES supplied on a separate sheet 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 shoul...

Page 2: ...red in memory in the unit You can switch memory slots using the S1 S2 buttons of the GK pickup for instant sound selection during your live performances Check the following points before using the GR D You ll need a GK compatible guitar In order to use the GR D you ll need a guitar equipped with a GK pickup or a GK compatible guitar such as the GC 1 V Guitar Hereafter we ll refer to such a guitar ...

Page 3: ...flush them thoroughly Then promptly see a doctor Burning of the skin or dermatitis may result if fluid has gotten onto your skin or clothing Use clean water to flush affected areas thoroughly then promptly see a doctor Using a soft cloth carefully wipe any remaining fluid from the inside of the battery compartment Then install new batteries Notes Concerning Batteries When operating on battery powe...

Page 4: ... MEMORY p 8 TYPE knob Selects the effect type TYPE knob GAIN knob COLOR knob TONE knob VG DIST 1 Expressive distortion made possible by processing each string independently Adjusts the amount of distortion Adjusts the strength of the attack Turning the knob toward the right will strengthen the attack Adjusts the brightness of the sound Turning the knob toward the right will brighten the sound VG D...

Page 5: ...jacks are connected to a guitar amp G AMP or to a line level device LINE The OUTPUT L jack also operates as a power switch The power will be on if a plug is inserted in the OUTPUT L jack Remove the plug when you re not using the GR D To prevent malfunction and equipment failure always turn down the volume and turn off all the units before making any connections Guitar Amp When connecting to the gu...

Page 6: ...normal and does not indicate a malfunction Application Examples Connecting another effects unit following the GR D Guitar Amp Recorder or Mixer Effect Device Effect Device GK compatible guitar GK compatible guitar Using in combination with other effect devices send return OUTPUT INPUT When connecting to the recorder or mixer set the SELECT switch to LINE When connection cables with resistors are u...

Page 7: ...rately to switch between playing the GR D and GR S or playing both simultaneously using a single guitar Two GK cables 1 2 meters are included with the US 20 GK IN GK IN OUTPUT US 20 GR 55 Recorder or Mixer GK compatible guitar When connecting to the recorder or mixer set the SELECT switch to LINE If the sound of the GR 55 is unnaturally distorted reduce the volume of the GR 55 ...

Page 8: ...TE button The indicator for the currently selected MEMORY number start to flash and the GR D is put into write standby 3 Press the SELECT button to select the MEMORY number to which you want to store the sound The indicator for the selected MEMORY number flashes 4 Press the WRITE button The write operation is completed after the indicator for the write destination memory flash more rapidly To canc...

Page 9: ...econds the GR D will resume normal operation sleep mode will be enabled Restoring the Factory Settings Factory Reset Here s how to restore the GR D s settings to their factory set condition When you execute Factory Reset the settings you made will be lost 1 While holding down the WRITE button turn on the power insert a plug into the OUTPUT L jack All MEMORY indicators 1 4 will blink 2 Press the WR...

Page 10: ...LO POWER GR D 5 ON OFF SOLO POWER GR D 6 ON OFF SOLO POWER GR D 3 Play a string and use the TONE knob to adjust the Pickup Sensitivity Sensitivity Indicator 1 low 1 2 3 4 2 1 2 3 4 3 1 2 3 4 4 1 2 3 4 5 1 2 3 4 6 1 2 3 4 7 1 2 3 4 8 high 1 2 3 4 The MEMORY indicator shows the current sensitivity setting Play string 1 at the maximum strength you would use during actual performance and use the TONE ...

Page 11: ...e necessary signals may not be input to the unit which may prevent sounds from being produced Is the GK pickup s GK Volume turned down Check to make sure the GK pickup s GK Volume is not lowered Is the GK pickup correctly installed and connected After reading the instructions in the GK pickup Owner s Manual check the installation once more Noise is produced Is the external device connected to the ...

Page 12: ...T 1 VG DIST 2 POLY DIST SYNTH Power Supply Alkaline battery AA LR6 or Carbon zinc battery AA R6 x 6 AC Adaptor PSA series optional Current Draw 200 mA 9 V when used with GK 3 Expected Battery Life Under Continuous Use Alkaline battery Approx 7 hours Carbon zinc battery Approx 2 hours These figures will vary depending on the actual conditions of use Dimensions 173 W x 158 D x 57 H mm 6 13 16 W x 6 ...

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