Roland GR-20 Owner'S Manual Download

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Owner’s Manual

Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY”

and “IMPORTANT NOTES” (p. 2–3, p. 4). 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 conve-

nient reference.

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

GR-20_e.book 1 ページ２００７年７月２日　月曜日　午後１２時５３分

Summary of Contents for GR-20

Page 1: ...ly 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 conve nient reference Copyright 2004 ROLAND CORPORATION All rights reserved No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION GR 20_e book ...

Page 2: ... ringing in the ears you should immediately stop using the unit and consult an audiologist 011 Do not allow any objects e g flammable material coins pins or liquids of any kind water soft drinks etc to penetrate the unit 012b Immediately turn the power off remove the AC adaptor from the outlet and request servicing by your retailer the nearest Roland Service Center or an authorized Roland distribu...

Page 3: ...p only the plug on the AC adaptor cord when plugging into or unplugging from an outlet or this unit 103b At regular intervals you should unplug the AC adaptor and clean it by using a dry cloth to wipe all dust and other accumulations away from its prongs Also disconnect the power plug from the power outlet whenever the unit is to remain unused for an extended period of time Any accumulation of dus...

Page 4: ...coloration and or deformation Repairs and Data 452 Please be aware that all data contained in the unit s memory may be lost when the unit is sent for repairs Important data should always be backed up in another MIDI device e g a sequencer or written down on paper when possible During repairs due care is taken to avoid the loss of data However in certain cases such as when circuitry related to memo...

Page 5: ...nd When applying an external effects unit to the normal guitar sound you can use the Mix In jack to mix the processed sound with the synth sound The GR 20 can be used with any steel string guitar on which a GK 3 or GK 2A divided pickup sold separately can be correctly installed The GR 20 can also be used with a bass guitar on which a GK 3B or GK 2B divided pickup for bass guitar sold separately is...

Page 6: ...ce Via MIDI to Select Patches 15 Play the GR 20 15 Using the Foot Pedal to Change the Pitch GLIDE 15 Using the Foot Pedal to Sustain the Sound HOLD 16 Using the Expression Pedal to Modify the Sound EXP PEDAL 16 Turning the Power Off 16 Chapter 2 Using the GR 20 with Guitar Effects 17 Connections 17 Switching between the Synth Sound and Guitar Sound 18 Using the GR 20 with a Multi effects Unit 18 C...

Page 7: ...ameter Settings From an External Device BULK LOAD 27 Chapter 5 Connecting an External Sound Module or Sequencer 28 Connecting an External Sound Module or Sequencer 28 Setting the Transmission Mode 28 Setting the MIDI Channel BASIC CHANNEL 29 Specifying the Bend Range 29 MIDI Messages Transmitted by the GR 20 29 Local Control Off 30 Chapter 6 Appendices 31 Restoring the Factory Settings Factory Res...

Page 8: ...LUE knob Use this to select the number of the sound you want to play Use the BANK knob 2 to select a category of sounds and use this knob to select a sound within that category This knob is also used to change the values of other parameters 5 GK SIGNAL indicator This indicator lights when a signal is received from the divided pickup 6 GK SENS button Press this button when you want to adjust the se...

Page 9: ...p 24 p 25 20 TUNER button Press this button when you want to use the Tuner function p 13 21 EXP PEDAL button Press this button to select the function of the expression pedal p 23 22 GLIDE TYPE button Press this button to select the function of the Glide pedal p 22 23 HOLD TYPE button Press this button to select the function of the Hold pedal p 23 24 GLIDE pedal Press this pedal to apply the Glide ...

Page 10: ... sound that is input to the MIX IN jacks 31 If you re making connections to a monaural amp use R MONO jack The L PHONES jack can also be used as a headphone jack stereo However if headphones are connected to L PHONES jack you cannot simultaneously use R MONO jack as an output If nothing is connected to the GUITAR OUT jack 30 or MIX IN jacks 31 the guitar s normal pickup sound will also be mixed in...

Page 11: ...s fig 1 01 Connection 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 The volume of your amp should be raised only after you have turned on the power of all your other equipment If you re outputting in monaural connect the cable to the R MONO OUTPUT jack To prevent the inadvertent disr...

Page 12: ...his adjustment is not made correctly the system won t work properly You must perform this adjustment to ensure that you re taking full advantage of the GR 20 s capabilities Once you make this adjustment it s stored within the GR 20 you won t need to make it again However you should perform the adjustment again after changing the strings or adjusting the action of your guitar or before using a diff...

Page 13: ...nction by pressing the HOLD pedal and GLIDE pedal simultaneously 2 Use the NUMBER VALUE knob to adjust the reference pitch If you turn the NUMBER VALUE knob slightly the current reference pitch will be displayed for several seconds By turning the NUMBER VALUE knob during this time you can adjust the reference pitch You can adjust the reference pitch in a range of 427 Hz 452 Hz When the GR 20 is sh...

Page 14: ...r during this time If you turn off the power before returning to Play mode the setting you made will not be stored Selecting a Sound Patch What is a Patch A patch is a sound you play on the GR 20 in addition to the type of sound a patch also contains settings for effects such as reverb and chorus The GR 20 s patches are organized into ten banks by type with the patches numbered within each bank In...

Page 15: ...er to Using the GR 20 with a Multi effects Unit p 18 Play the GR 20 Let s get started playing the GR 20 Check the following points 1 Make sure that the GR 20 is in Play mode the state it s normally in immediately following power up In some cases you won t hear any sound if the GR 20 is not in Play mode 2 Set the select switch of your GK pickup to the GK position on the GK 2A the SYNTH position If ...

Page 16: ...sing the Expression Pedal to Modify the Sound EXP PEDAL You can use the expression pedal to continuously vary the volume or tone of the synth sound The effect will depend on the sound and you can also adjust the effect to your taste p 23 fig 1 14 EXP Turning the Power Off When you re ready to turn off the power be sure to do so in the following order 1 Turn off the power of your amp 2 Turn off the...

Page 17: ...our guitar to the normal pickup input jack of the GK pickup Connections Using a compact effect device or a multi effects unit that has no MIDI connector fig 2 01 Effect Connection 1 Using a multi effects unit that has a MIDI connector fig 2 02 Effect Connection 2 Set the GR 20 s OUTPUT SELECT to Line p 14 If your multi effects device does not have a amp simulator set the GR 20 s OUTPUT SELECT to G...

Page 18: ... on your multi effects unit Channel CH MIDI uses channels to send independent streams of data over a single cable In order for data to be received the receiving device must be set to receive the channel that the transmitting device is sending on This means you must set the transmit channel of your multi effects unit to match the receive channel of the GR 20 1 Check the MIDI transmit channel of you...

Page 19: ...link When you select a patch on your multi effects unit it will send a MIDI Program Change message to the GR 20 The GR 20 will remember the content of this message and will be ready for you to specify the patch link setting If two or more consecutive patch changes occur when you are selecting a patch on your multi effects unit the GR 20 will remember only the last received MIDI program change 5 Us...

Page 20: ...detect the pitch and then plays the appropriate synth sound This means that if the string vibration is less than a certain level it will not be possible to detect the pitch and the synth sound will be silenced at that point For some patches the way in which the sound is silenced at this time may produce an unnatural result The envelope follower function causes the volume of the synth sound to alwa...

Page 21: ...he GR 20 can be raised or lowered in one octave steps relative to the pitch you play on your guitar 2 1 0 1 2 Adjusting the Playing Feel PLAY FEEL You can select the way in which the synth sound will respond to your picking dynamics You can more naturally express your playing dynamics by changing this setting to suit a particular playing style or sound 1 4 The 1 setting gives you the widest range ...

Page 22: ... up down when you press the GLIDE pedal and will return to normal when you re lease the pedal u3 GLIDE UP 3 d3 GLIDE DOWN 3 The pitch will change a perfect fourth up down when you press the GLIDE pedal and will return to normal when you release the pedal u4 GLIDE UP 4 d4 GLIDE DOWN 4 The pitch will change a perfect fifth up down when you press the GLIDE pedal and will return to normal when you re ...

Page 23: ...ld as long as you continue pressing the pedal Subse quent notes that you play while holding the pedal will not be heard This lets you hold a chord using the synth sound and play a melody using the guitar sound H3 HOLD 3 The notes that were sounding when you pressed the pedal will be held as long as you continue pressing the pedal Subsequent notes that you play while holding the pedal will sound bu...

Page 24: ...ob to select the patch number into which you want to write your settings If you decide to abort the Write operation at this point press the EXIT button 3 Press the WRITE button once again Your settings will be written into the patch you selected Use caution since the settings previously stored in that patch will be overwritten and lost The decimal point in the display will blink while the setting ...

Page 25: ...ution since the settings previously stored in the copy destination patch will be overwritten and lost Exchanging Patches Here s how you can exchange swap patches within the USER bank This is a convenient way to arrange USER bank patches in the desired order This will not work if the selected patch is not in the USER bank 1 Select one of the patches that you want to exchange 2 Hold down the EXIT bu...

Page 26: ...or to light 2 Use the NUMBER VALUE knob to change the setting The actual mode of operation will not change until you store the setting and return to Play mode 3 Press the EXIT button You will return to Play mode and the setting will be stored The decimal point in the display will blink while the setting is being stored Don t turn off the power during this time The setting will not be stored if you...

Page 27: ... into the GR 20 via MIDI Performing the BULK LOAD operation will rewrite all the data in the GR 20 Be aware that all currently existing data will be lost 1 Connect your external device s MIDI OUT to the GR 20 s MIDI IN 2 Turn off the power of the GR 20 and then hold down the PATCH EDIT button and turn the power back on again The display will indicate dP 3 Using the NUMBER VALUE knob get Ld to appe...

Page 28: ...e continuous pitch change data MIDI Pitch Bend messages can be transmitted independently for each string this allows you to use performance techniques typical of a guitar such as use of the whammy bar and string bending The connected sound module must be a multitimbral sound module with at least six parts Poly Mode transmission Performance data for all strings will be transmitted on a single MIDI ...

Page 29: ...24 For details on making this setting refer to the manual for your sound module MIDI Messages Transmitted by the GR 20 As performance data the GR 20 transmits a note on message when you play a note a note off message when a note stops and pitch bend messages when you bend a note In addition to these messages the GR 20 also transmits the following MIDI messages so that your performance can be faith...

Page 30: ...an avoid conflicts from occurring between the performance data from your guitar and from the sequencer 1 Turn off the GR 20 and then hold down the SYSTEM EDIT button while turning the power on again The display will indicate Lo for approximately one second and the GR 20 will then enter Play mode fig 5 04 Local Off The Local Control Off setting cannot be stored If the connections between the GR 20 ...

Page 31: ...in Switching the GR 20 between bass guitar and guitar operation p 32 to switch the GR 20 back to bass guitar mode Only the specified patch will be returned to the factory settings 3 Press the WRITE button The decimal point in the display will blink the Factory Reset operation will be executed Then you will return to Play mode Do not turn off the power while the decimal point is blinking Calibratin...

Page 32: ... while the setting is being stored Do not switch off the GR 20 s power while this takes place Please note that the setting will not be stored if you neglect to return to Play mode before you switch off the unit The setting is preserved until you repeat this procedure again How the Bass Guitar and Guitar settings differ The range of pitches produced by the GR 20 is switched between guitar and bass ...

Page 33: ...pplied to the synth sound They cannot be applied to the normal guitar sound By using the guitar out jack you can apply an external guitar effects processor only to the guitar sound If you want the synth sound and guitar sound to share a single amp use the MIX IN jacks as well p 17 The pitch of the synth sound does not change in the same way as the pitch of the guitar The pitch of some tones such a...

Page 34: ...he GR 20 s Tuner function to tune your guitar accurately You must also adjust your guitar so that accurate pitches are sounded even on the high frets Pitch does not change smoothly On the GR 20 could you have selected a patch such as piano or organ for which the pitch changes in semitone steps Select a patch on the GR 20 whose pitch will change smoothly When you view the note messages recorded in ...

Page 35: ...Jazz Organ Wood Bass 12 Jazz Organ E Bass 13 Jazz Organ 3 14 Jazz Organ 4 15 Gospel Organ 16 60 s Organ ORGAN KB 17 Glide Organ 18 Cathedral 19 Church Choir 20 Rotary Choir Organ 21 3 Tone Stack 22 Organ Synth Strings 23 Ice Organ 24 Clavi 25 Retro Clavi 26 Phase Clavi 27 JUNO Clavi 28 JUNO Keys 29 Harpsichord 30 Baroque Piano 31 Harpsichord Strings 32 New Harpsichord 33 Accordion 34 Asian Trance ...

Page 36: ...h Brass 32 Brass It 33 Synth Brass Chord 34 Wacky Brass BANK No NAME WIND 1 Fat Tenor Sax 2 Bright Tenor Sax 3 Moody Sax 4 Alto Sax 5 Alto Sax Vib 6 Soprano Sax 7 Baritone Sax 8 Sax Ensemble 9 Sax Section Baritone Sax 10 Brass Section Baritone Sax 11 Sax Section Oct 12 Harmonica 13 Blues Harp OD 14 Blues Harp Dist 15 Piccolo 16 Flute 17 Attack Flute 18 Piccolo Glocken 19 Flute Glocken 20 Piccolo F...

Page 37: ...d Vib 37 Qwak Lead 38 Flanger Ana Lead 39 Porta Wah 40 Wet Reso Lead 41 GR 300 Saw 2 42 The Machine 43 Big BPF BANK No NAME SYNTH LEAD 44 Haze Lead 45 Vocoder 46 Sweep Reso Lead 47 Heavy Boost Lead 48 Morph 49 Sweep Lead 50 Sync Sweep 51 Vibro Sweep 52 Rotary Lead 53 Step Saws 54 Touch Filter 55 Trade Mark Lead 56 Retro Synth 57 No Bob No Hope 58 House Of Phase 59 Attack Organ Lead 60 Minor Incid ...

Page 38: ...ssy Pad 53 Darkshine 3 54 Soundtrack Seal 55 Warm Pad 56 Changes ETHNIC 1 Sitar 2 Sitar Morocco Phrase BANK No NAME ETHNIC 3 Sitar Tampura 4 Sitar Drone 5 E Sitar 6 Sitar Tabla 7 Sitar Tabla Phrase 8 Sitar Pad 9 Banjo 10 5str Banjo 11 Fiddle 12 Flat Mandolin 13 Flat Mandolin Tremolo 14 Guitar Morocco Phrase 15 Koto 16 Koto Heaven 17 Shamisen 18 Shamisen Ensemble 19 Synth Shamisen 20 Sanshin 21 San...

Page 39: ... Conga Pattern 29 Tabla Conga Set 30 Perc Morocco Phrase 31 Bell Morocco Phrase 32 Vox China Phrase 33 Cuica Drum Phrase 34 Cuica Samba Phrase 35 Steel Drum Samba Phrase 36 Brass Samba Phrase 37 Tambourine Tabla Phrase 38 Synth Pulse Tabla Phrase 39 Drum Kit Pattern 1 40 Drum Kit Pattern 2 41 Playmate 42 Delay Voice 43 Tribal Drums 44 Street Noise 45 FX Tom Hit 46 Perc Heaven 47 Analog Snare 48 5t...

Page 40: ...49 BRASS 26 Fat Synth Brass 50 ETHNIC 16 Koto Heaven 51 PIANO 35 House 52 VOICE PAD 26 Darkshine 1 53 RHYTHM PERC 46 Perc Heaven 54 BRASS 11 NewYork Brass 55 WIND 7 Baritone Sax 56 ORGAN KB 15 Gospel Organ 57 BRASS 14 French Horns 58 SYNTH LEAD 37 Qwak Lead 59 STRINGS ORCH 18 Cello Vib 60 ETHNIC 3 Sitar Tampura 61 VOICE PAD 3 Jazz Scat Doos Bop 62 RHYTHM PERC 19 Dragon 63 PIANO 10 West Coast 64 WI...

Page 41: ...asic channel General Purpose 3 STATUS SECOND THIRD BnH 12H vvH n MIDI Channel Number 0H FH ch 1 ch 16 vv Control Value 00H 7FH 0 127 When E FLW is on and recognized as the string envelope follow values Hold1 STATUS SECOND THIRD BnH 40H vvH n MIDI Channel Number 0H BH ch 1 ch 12 vv Control Value 00H 7FH 0 127 00H 3FH OFF 40H 7FH ON Can be received only through the Basic channel Program Change STATU...

Page 42: ...eceive any message during that time it acts as if the All Note Off message is received and returns to normal operation will not check interval of messages System Exclusive Message STATUS SECOND THIRD F0H iiH ddH eeH F7H F0H System Exclusive ii Manufacturer ID 41H 65 dd ee Data 00H 7FH 0 127 F7H EOX End Of Exclusive For more details refer to the page of Roland Exclusive message and Section 3 or aft...

Page 43: ...SER 2 0 2 USER 3 0 3 USER 4 0 0 97 USER 98 0 98 USER 99 1 0 PIANO 1 1 1 PIANO 2 1 2 PIANO 3 2 0 ORGAN KB 1 2 1 ORGAN KB 2 2 2 ORGAN KB 3 3 0 BASS GTR 1 3 1 BASS GTR 2 3 2 BASS GTR 3 4 0 BRASS 1 4 1 BRASS 2 4 2 BRASS 3 5 0 WIND 1 5 1 WIND 2 5 2 WIND 3 6 0 STRING ORCH 1 6 1 STRING ORCH 2 6 2 STRING ORCH 3 7 0 SYNTH LEAD 1 7 1 SYNTH LEAD 2 7 2 SYNTH LEAD 3 8 0 VOICE PAD 1 8 1 VOICE PAD 2 8 2 VOICE PA...

Page 44: ...mitted data F0H 41H 10H 00H 72H 12H 01H 00H 00H 06H 5AH 32H 3CH 03H 2EH F7H 1 2 3 4 5 6 7 8 9 1 Exclusive status is F0H 2 Roland s Manufacturer ID is 41H 3 This is the device ID Fixed at 10H for GR 20 4 Model ID of the GR 20 is 00H 72H 5 DT1 Data Set1 Command ID is 12H 6 These are the parameter addresses Please find the start address of the USER BANK 01 Patch from the table of the start address Yo...

Page 45: ...1C 00 Patch USER 29 4 4 01 00 1D 00 Patch USER 30 4 4 01 00 1E 00 Patch USER 31 4 4 01 00 1F 00 Patch USER 32 4 4 01 00 20 00 Patch USER 33 4 4 01 00 21 00 Patch USER 34 4 4 01 00 22 00 Patch USER 35 4 4 01 00 23 00 Patch USER 36 4 4 01 00 24 00 Patch USER 37 4 4 01 00 25 00 Patch USER 38 4 4 01 00 26 00 Patch USER 39 4 4 01 00 27 00 Patch USER 40 4 4 01 00 28 00 Patch USER 41 4 4 01 00 29 00 Patc...

Page 46: ... 0 00 0F reserve 0 0 00 offset MIDI bank select MSB MIDI Program Change Number GR 20 Patch Number 00 00 0 0 MSB 00 01 LSB 00 02 0 1 MSB 00 03 LSB 01 7E 0 127 MSB 01 7F LSB 02 00 1 0 MSB 02 01 LSB 02 02 1 1 MSB 02 03 LSB 03 7E 1 127 MSB 03 7F LSB 04 00 2 0 MSB 04 01 LSB 04 02 2 1 MSB 04 03 LSB 05 7E 2 127 MSB 05 7F LSB 06 00 3 0 MSB 06 01 LSB 06 02 3 1 MSB 06 03 LSB 07 7E 3 127 MSB 07 7F LSB 08 00 ...

Page 47: ...t 1 1oct 2 0 3 1oct 4 2Oct 0A PLAYFEEL 0 4 04 0 3 1 4 5 nd 6 St 0B EXP PEDAL 0 8 08 0 FV 1 FL 2 b1 3 b2 4 b3 5 b4 6 b5 7 b6 8 EF 0C HOLD TYPE 0 3 03 0 H1 1 H2 2 H3 3 H4 0D GLIDE TYPE 0 19 13 00H d8 01H d7 02H d6 03H d5 04H d4 05H d3 06H d2 07H d1 08H u1 09H u2 0aH u3 0bH u4 0cH u5 0dH u6 0eH u7 0fH u8 10H v1 11H v2 12H v3 13H v4 0E DELAY 0 99 63 0F Reserve 0 0 00 Decimal Hex Decimal Hex Decimal He...

Page 48: ... X X X X X X O X 1 16 1 16 Mode 3 4 M 6 X O X 0 127 X X O O 0 127 O X X X X X O 123 127 O X 1 Can be memorized after powering off 2 When PLAY FEEL nd v 100 3 Can be received only through the Basic channel 4 Can be received when Bulk Load is standby in System mode Model GR 20 Date Dec 18 2003 Version 1 00 MIDI Implementation Chart Mode 1 OMNI ON POLY Mode 3 OMNI OFF POLY Mode 2 OMNI ON MONO Mode 4 ...

Page 49: ...9 D x 63 1 H mm 12 3 8 W x 9 11 16 D x 2 1 2 H inches Maximum height 313 8 W x 244 9 D x 97 5 H mm 12 3 8 W x 9 11 16 D x 3 7 8 H inches Weight 1 7 kg 3 lbs 12 oz excluding the AC Adaptor Accessories Owner s Manual AC Adaptor BRC series GK Cable 5 m Divided Pickup GK 3 not included with the GR 20S Options GK Cable GKC 3 3 m GKC 5 5 m GKC 10 10 m Unit Selector US 20 GK Parallel Box GKP 4 Divided Pi...

Page 50: ...9 GLIDE pedal 9 GLIDE TYPE 22 GUITAR OUT 10 H HOLD 9 16 HOLD pedal 9 HOLD TYPE 23 L LEVEL 9 Local Control Off 28 30 M MIDI CH 9 MIDI Channel 29 MIX IN 10 Mono Mode 28 N NUMBER 8 O OUTPUT 8 10 OUTPUT LEVEL 10 OUTPUT SELECT 14 P Patch 14 PATCH EDIT 9 PATCH LINK SETUP 9 19 PLAY FEEL 9 21 Play mode 12 Poly 28 Poly Mode 28 Program Change 29 R reference pitch 13 RELEASE 9 20 RESO 8 RESONANCE 21 REVERB 9...

Page 51: ...r relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmf...

Page 52: ...s Musicales J E Olear y ESQ Manduvira Asuncion PARAGUAY TEL 595 21 492147 PERU Audionet Distribuciones Musicales SAC Juan Fanning 530 Miraflores Lima Peru TEL 511 4461388 TRINIDAD AMR Ltd Ground Floor Maritime Plaza Barataria Trinidad W I TEL 868 638 6385 NORWAY Roland Scandinavia Avd Kontor Norge Lilleakerveien 2 Postboks 95 Lilleaker N 0216 Oslo NORWAY TEL 2273 0074 POLAND ROLAND POLSKA SP Z O O...

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