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Summary of Contents for A4 Guitar

Page 1: ... A GUITAR 3 PLAYING PRESET PROGRAMS PROGRAM MODE 4 OPERATING INDIVIDUAL EFFECTS MANUAUEDIT MODE 5 CREATING ORIGINAL PROGRAMS MANUAUEDIT MODE 6 SAVING EFFECT PROGRAMS PROGRAM WRITE 8 OTHER USEFUL FUNCTIONS 9 PROGRAM LIST 27 ...

Page 2: ...lation 6 The product should be kept away from heat sources such as radiators heat registers and other products that produce heat 7 The product should be connected to a power supply only of the type described in the operating instructions or as marked on the product 8 The unit s power cable should be unplugged from the outlet when left unused for a long period of time 9 Care should be taken so that...

Page 3: ...type tested and found to comply with the limits for a Class B computing device in accordance with the specifi cations in Subpart J of Part 15 of FCC Rules which are designed to provide reasonable protection against such interference in a residential installation If this equipment does cause interference to radio or television reception which can be determined by turning the equipment off and on th...

Page 4: ... to select either the User or Pressin Preset program areas When the User LED is Bypass lit the User program area is selected Bypass i L effects that are turned ON Parameter Editor Knobs The value of each effect parameter can be changed by turning these knobs when in Edit mode page 6 EFFECT PROGRAM Footsw tches These switches are used to select the program number when in Program mode page 4 or to t...

Page 5: ...g a pair of stereo headphones to the PHONES jack 5 After completing connection with instruments and equipment turn on the A4 Guitar s power 6 When playing the guitar the peak indicator which moves in accord with the input volume level will go from green to yellow to orange to red When increasing the input volume or playing the guitar strongly please do not allow the indicator to go into the red ar...

Page 6: ... LEDis lit press the User Preset key to turn off the User LED 0 USER 0 USER PRESET 4 Bank 1 IProgram 1 II Progmm 211 Progmm 311 Program 411 Progmm sllProgmm sl Bank2 IProgmm 1 II Progmm 211 Progmm all Progmm 411 Progmm sllProgram sl Bank 3 IProgmm 1 IIProgmm 211 Progmm allProgram 411 Progmm sllProg sl Bank4 IProgr n 1 II Progmm 211 Progmm 311 Progmm 411 Progmm s l Progmm s BankS IProgmm 1 II Progr...

Page 7: ...hich are currently turned on For example the following display appears when the Edit mode is selected after selecting Program 1in Program mode This is the first effect program in Bank 1 Program 1 1 consists ofthreeeffects DIST OD PITCH DELAY and CHORUS FLANGER 1 OUT Pitch 1 Chorus 1 Reverb Delay Flanger 2 Press the EFCT PROG switches to toggle the effects on and off For example pressing the EFCT P...

Page 8: ...rogram all Progmm 411 Progmm sllProgmm sl Edit 1 Enter Program mode and find a program that sounds closest to what you want The example below shows selection of Program 1 in Bank 1 2 Enter Edit mode by pressing the Prog Edit Select switch The Prog Edit LEOs the Value display and the EFCT PROG LEOs will change to indicate Edit mode 6 User Program area Bank 1 IProgmm 1 IIProgmm211 Progmmall Progmm41...

Page 9: ...ch is turned off Simply make sure that the Effect LED selector is in the position of the effect you wish to edit use the Mode Effect buttons 7 To edit other programs switch back to Program mode and begin the procedure again If you wish to save the edited program perform the Program Write operation explained on page 8 CAUTION Selecting another program without performing the Pro gram Write operation...

Page 10: ...ved as a new program 0000000 0000000 0000000 0000000 WRITE Press 2 The User LED lights up and the current bank program number blinks on the Value display The flashing number indicates that the currently edited program is ready to be written to that particu lar program number Whether it is an edited version of a user program or a preset pro gram it will be stored in the User Program area II t t t t...

Page 11: ... The A4 also has a compare function which allows you to switch back and forth between edited and saved versions a programs To use the compare function simply press the up and down Mode Effect select buttons together To return to the edited version of the program press these buttons again 2 Using a Volume Pedal With a volume pedal it is possible to create a long slow attack sound by gradually press...

Page 12: ...mission 10 Loading All Program Parameters 1 Connect the MIDI IN of the A4 Guitar to the MIDI OUT of a MIDI data filer MIDI IN r IMIDI OUT a MIDI data filer 2 In the Edit utility mode select a MIDI channel for receiving MIDI data ATTACK 7 GAIN 0 15 MID fREQ 1 16 PITCH 12 12 DElAY TIME 3 lOrm DElAY TIME 0 75ms REVERS TIME h s I l 0 3 With the MIDI channel lit in the display transmit the data to the ...

Page 13: ...mplifier s clean and distorted channels thereby incorpo rating the amplifier s built in distortion overdrive with the A4 s other effects EXT CTRL OUT FOOTSW k Y guitar amplifier s SYSTEM RESET To reset the A4 to factory settings Hold down the WRITE key and BANK UP footswitch while turning the A4 on The display will flash PL Press WRITE again to load the factory presets into the USER program area N...

Page 14: ...ity in Edit mode 3 Example of tuning 6 5 4 3 standard tuning E A D G flat tuning D G C F open D tuning D A D F open G tuning D G D G 12 2 B A A B 4 Tuning 1 When a note is played on the guitar the name of the note best representing the sound is indicated in the display Do not play two or more notes at the same time C C I l I This indication refers to sharp 2 If a wrong note is indicated the tensio...

Page 15: ...ction adds distortion to the input sound simulating the characteristics of an overdriver amplifier Parameters 1 Tube OD This mode features natural distortion unique to tube amplifiers 2 Classic OD Similar to Tube OD but with more direct attack sound 3 SuperOD This overdrive has a peak in the middle frequency band 4 Dis A MODE 1 7 This mode produces a smooth distortion with high gain 5 Super Dist T...

Page 16: ...k 15 6 0k 16 6 5k E HIGH GAIN 7 7 Gain for the high band equalizer F TRIM 0 15 Gain for the input signal Note Use TRIM to prevent clipping If the gain for each frequency band is raised near its maximum the output may be distorted or clipped even when the PEAK LED is not lit In such situations turn down the TRIM parameter until the clipping stops 4 PITCH DELAY PITCH DELAY is an effect generated by ...

Page 17: ...CH SHIFTER block in MODE 1 The setting 0 produces only the direct sound while 30 pro duces only the effect sound This parameter does not operate in MODE 2 DELAY Block A DELAY TIME 0 9 The DELAY TIME A function is used to set the delay time in increments of 1OOm sec B DELAY TIME 0 9 The DELAY TIME B function is used to set the delay time in increments of 1Om sec The DELAY TIME C function is used to...

Page 18: ...arameters 1 Stereo CHORUS FLANGER with LFO TRI triangle wave 2 Stereo CHORUS FLANGER with LFO SIN sine wave A MODE 1 3 3 With LFO TRI this mode sends the wet signal through the left channel and the dry direct sound through the right channel The DELAY TIME function is used to set the time between the B DELAY TIME 0 0 75msec dry signal and the wet signal When used together with the feedback paramete...

Page 19: ...to set a MIDI transmission reception B MIDICH 1 16 channel MIDI Ct annel Values set here will be stored in memory without the need for any PROGRAM WRITE procedures The EXT CTRLfunction enables you to switch your amplifier s channels from A4 program changes Two EXT CNTRLJacks are provided for use EXT CTRL with two amplifiers c External Control 00 10 01 11 The leftvalue represents the setting of EXT...

Page 20: ...ssible that the level parameter in one of the effects may be set to 0 In such a case sound can be heard only when pressing the Bypass key Adjust the appropriate No sound level parameters 3 Check to see if the Utility mode s Master Volume is set to 0 If so reset it to a suitable level 4 If a volume pedal is connected it may be in the up or no sound position 5 The Bypass Tune s mute function may be ...

Page 21: ... 12 3 13 33 13 4 14 34 14 5 15 35 15 6 16 36 16 7 21 37 21 8 22 38 22 9 23 39 23 10 24 40 24 11 25 41 25 12 26 42 26 13 31 43 31 14 32 44 32 15 33 45 33 16 34 46 34 17 35 47 35 18 36 48 36 19 41 49 41 20 42 50 42 21 43 51 43 22 44 52 44 23 45 53 45 24 46 54 46 25 51 55 51 26 52 56 52 27 53 57 53 28 54 58 54 29 55 59 55 30 56 60 56 19 ...

Page 22: ...astByte 1111 0111 F7 End of Exclusive Func Description 40 PROGRAM PARAMETER DUMP 50 ALL PROGRAM DUMP 26 RECEIVE MESSAGE FORMAT 23 DATA LOAD COMPLETED 24 DATA LOAD ERROR Transmitted when R Request message is received D Data dump by switch E Exclusive message received 2 RECOGNIZED RECEIVE DATA 2 1 Channel Messages Status Second Third ERROR Description 1100 nnnn OOpp pppp Program Change nnnn pp pppp ...

Page 23: ...rogram Parameter Dump 40 0000 OOOm Member Code NOTE 2 Oddd dddd Data NOTE 3 1111 0111 EOX Receives this message and data and transmits Func 23 or Func 24 message Receives Func 10 message and transmits this message and data 4 ALL PROGRAM DUMP R T Byte Description FO 42 3n 31 Exclusive Header 0101 0000 All Data Dump 50 0000 OOOm Member Code NOTE 2 Oddd dddd Data NOTE 4 1111 0111 EOX Receives this me...

Page 24: ...eted NOTE 1 NOTE 2 00 29 User Program 30 59 Preset Program m 0 A4 GUITAR 1 A4 BASS Dump Data Format for PROGRAM PARAMETER DUMP and ALL PROGRAM DUMP DATA n 0 1 I DATA lset 8bit x 7byte b7 bO b7 bO b7 T bO I I I I I I I I I I I I I I I I I I I I I I I I I I I 7n O MIDI DATA lset b7b7b7b7b7b7b7 7n l 7bit x 8byte b6 7n 5 7n 6 bO b6 bO o I I I I I I IoI I I I I I I I IoI I I I I I I I 7n 6 5 4 3 2 1 0 ...

Page 25: ...IGH DAMP CHO FLA FEEDBACK DISTORTION EQ LATCH PTCH DLY MODE AMP SIMULATION CHO FLA MIX PTCH DLY PITCH HIGH CUT REVERB MIX PTCH DLY PITCH FINE CHO FLA TIME NOISE REDUCTION LEVEL MASTER VOLUME 0 3 2 0 mode 1 0 4 10 mode 2 3 DATA HEX VALUE bit 0 0 OFF l ON bit 1 0 OFF l ON bit 2 0 OFF l ON bit 3 0 OFF 1 0N bit 4 O OFF l ON bit 5 O OFF l ON bit 6 O CLOSE l OPEN bit 7 O CLOSE 1 OPEN bit o 3 0 15 bit 4 ...

Page 26: ...ed Recognized Remarks Basic Channel Default 1 16 1 16 Memorized Changed 1 16 1 16 Default 3 Mode Messages X X Altered Note Number X X True Voice X X Velocity Note ON X X Note OFF X X Key s X X After Touch Channels X X Pitch Bender X X 1 127 X X Control Change ...

Page 27: ... Clock X X Real Time Command X X Local On OFF X X Aux Message All Notes OFF X X Active Sense X X Reset X X Notes 1 See MIDI Program Chart 2 Transmittable and receivable only when the Utility is set to the MIDI channel Mode1 OMNI ON POLY Mode3 OMNI OFF POLY Mode 2 OMNI ON MONO Mode 4 OMNI OFF MONO 0 Yes X No I I I I ...

Page 28: ... For those who create their own programs please do so within the guidelines set for the parameters Please duplicate this page as necessary 26 ...

Page 29: ...D I Tube 1321 Semi H Slap 13 1 1 NY 13 sl Pitch Distortion M 5 Overdrive M 2 Clean 3 M 2 Delay M 2 Flange M 4 Synth Oist 1 Amp Mode Bank4 George Squeeze I 1 21 Edge 1 31 Analog I I Univibe 1 1 51 Detune IY5I Tone M 5 Drive M 1 M 2 Delay M 2 M 1 Wash 2 Amp BankS Line U Line 5 21 Line IS31 Line IS Yl Bright IS Sl Pitch IS 51 Distortion M 7 Overdrive M 2 SemiCiean M 3 Delay M 1 Funk M 2 Wash M 1 Line...

Page 30: ... Dot type LEOs EFCT PROG LEOs MODE LEOs Peak Indicator Rear Panel Power Switches DC9V Jack INPUT Terminal OUTPUT Terminal 2 R UMONO PHONES Jack VOLUME PEDAL Jack EXTERNAL CONTROL OUTPUT Terminal 2 1 2 MIDI Terminal 2 IN OUT Sampling Frequency 48 kHz Dynamic Range 90dB or more IHF A when bypassing TUNER Measurement Range AriJ C7 Measurement Accuracy 0 5 cent Power Supply DC9V Power Consumption 350m...

Page 31: ...s tributor for each separate country only Any KORG product sold without a warranty card or not carrying a serial number disqualifies the product from the manufacturer s warranty and liability This requirement is for your own protec tion and safety KORG INC KORG 15 12 Shimotakaido 1 chome Suginami ku Tokyo Japan KORG INC 1992 0402 FGH Printed in Japan ...

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