If something does slip into the equip- at a suitable distance from radios and televisions. ment, unplug the AC adapter from the wall out- let. Then contact your nearest Korg dealer or the store where the equipment was purchased.
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CE mark for European Harmonized Standards THE FCC REGULATION WARNING (for U.S.A) CE mark which is attached to our company’s prod- This equipment has been tested and found to comply ucts of AC mains operated apparatus until Decem- with the limits for a Class B digital device, pursuant to ber 31, 1996 means it conforms to EMC Directive Part 15 of the FCC Rules.
4. Tuner ........15 Contents 5. Specifying the function of the Value Introduction ......6 Dial .......... 16 6. Key Lock function ..... 17 Main features ......6 Rhythm & Bass mode ..... 17 Installing the batteries ....8 1. Rhythm Pattern ......18 Battery Low display ......
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NOTCH effect and Auto Notch 3. Reloading the factory programs ..........29 function ......... 24 Troubleshooting ...... 29 Edit mode ......25 Effect Parameter ..... 31 1. Select the effect that you wish to edit DYNA (Dynamic effects) ....31 ..........
Notch effect and Auto Notch function effect unit designed for acoustic guitar. It makes The PX4A provides a Notch effect that's effec- it easy to use Korg’s proprietary “ ” mod- tive against acoustic feedback. You can quickly eling technology to create detailed and power- set the notch point by using the NOTCH button ful modeling sounds.
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You can transpose the pitch of the sound from (Resonant structure and Electronic a CD player or other audio source connected to circuit Modeling System) is KORG’s propri- the AUX jack of the PX4A. etary sound modeling technology which pre-...
Installing the batteries An AC adapter is not included with this prod- uct. It must be purchased separately. Remove the battery cover located on the bottom of the Using the strap holder PX4A by sliding it in the direction of the arrow. In- 1.
Controls and connectors 3. Press in the direction of the arrow (a) until locking tab (c) clicks into place. 4. Shake the PX4A lightly to en- sure a secure fit. Removal 1. Press the strap holder locking tab (c) in the direction of arrow (b) to release the lock.
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6. Input level switch 13. √/® buttons Use this to adjust the input level depending on the Use these buttons to select the parameter that output level of your guitar. you wish to edit, and to operate the Phrase Train- er function.
LCD screen d. Mode icons These icons will light when you are in AUX Pitch, Phrase Trainer, or Rhythm & Bass modes. e. EDIT icon, ORIG (Original) icon, NOTCH icon The EDIT icon will light when you enter Edit mode, and the ORIG (Original) icon will light if the pa- rameter you're editing is set to the same value as the value written in the program.
Making connections *1 Be sure to use only the specified AC adapt- er (DC4.5V When connecting an external device (ie-guitar amp, CD player, ac adapter, etc) be sure to turn *2 If a CD player or other audio source is con- the unit off.
Initial Settings The Delay Time can also be set by pressing the TAP button twice at the desired interval (ex- 1. When you finish making connections, set the cept when in Rhythm & Bass mode). To check power switch to the “ON” position. (This set- the Delay Time that was specified, press and ting is referred to as Play mode.) hold the TAP button for two seconds or longer.
Play mode Master icon Play mode is the mode in which you will nor- mally use the PX4A. Value graph 1. Selecting a program Program number display Master level value You can choose from 50 user programs You can also adjust the settings so that the ▲/▼ ( U 0 1 .
You can also return to Play mode by pressing The tuner (bypass/mute) will be turned off when the EXIT button. Bypass or Mute can also be you press either the EXIT button or TUNE/BY- entered from modes other than Play mode. PASS button.
● Hold down the EXIT button and press the ® 5. Specifying the function of the Value Dial button. The LCD will indicate “PROGRAM” for ap- You can specify the function that the Value dial proximately one second. will perform in Play mode. In Play mode, hold The Value dial will select programs, and the down the EXIT button and press either the √...
Rhythm & Bass mode 6. Key Lock function By activating the Key Lock function, you can To enter Rhythm & Bass mode, press the disable all operations except for selecting pro- RHYTHM/AUX PITCH button once when in Play grams. This is a convenient way to prevent mode (except if Mute, Bypass, or Key-Lock is accidental operation during a live perfor- active), AUX Pitch mode, or Phrase Trainer mode.
2. Tempo Rhythm Bass On/Off Tempo pattern and Bass Key Set the tempo in the range of 40–208 bpm. You can also set the tempo by pressing the TAP Rhythm & Rhythm & Chain Bass Bass pattern button twice at the desired rhythm. level reverb level setting...
5. Rhythm & Bass Level progression. When the bass note is on, you can use the Value dial to set the key in a range of Use the Value dial to set the level of the Rhythm C, C ...A , B, allowing you to practice your gui- &...
or Phrase Trainer mode. When you are in this mode, the AUX Pitch icon will light. Use the Value dial to specify the amount of key transposition. The key can be transposed in a Pattern location range of +/-1 octave. The value can be adjusted Up to 16 patterns can be chained (connected).
Phrase Trainer mode Recording An audio source from the AUX jack or a phrase mode Recording you play on your guitar can be recorded, and time played back repeatedly as a loop. Phrase Trainer icon This provides a convenient way to practice by playing along with the repeating phrase.
2. Recording If the recording mode is “JAM,” the recording quality will be set automatically, based on the tem- When you begin recording, the recording time po and the specified number of measures. will be indicated as a numerical value and by a value graph.
3. Playback 4. Pause When you press the [® ❙❙ ] button, the playback The recorded phrase will playback as a loop. will pause. Press the [® ❙❙ ] button once again, and playback will resume. playback Pressing the [√√] button while playback is time display paused will return you to the beginning of the playback speed(%)
NOTCH effect and Auto Notch If you’re in a mode other than Edit mode (p.25) and you press the NOTCH button to move to function the notch effect edit page, you won’t be able to use the √ / ® buttons to move to the edit When you press the NOTCH button, the Notch pages for other effects.
Edit mode 1. Select the effect that you wish to edit Each time you press the √/® buttons, you will In this mode you can turn each effect on/off, cycle through the effects in the order shown be- and edit the effect type, parameter values, and low.
1) DYNA (Dynamic effects) 3) BODY (Mic & body modeling) These are dynamic-type effects such as com- This is a modeling effect that simulates a con- pressor. denser mic and acoustic guitar bodies. Use the value dial to adjust the depth of the effect. Parameter value On, Off...
5) DLY (Delay Modeling) Adjust the These are delay type effects for which you can depth of noise reduction set the delay time by the interval at which you press the TAP button. Increasing this value will produce more noise Delay time reduction.
10) WRITE Here you can write (store) a program that you Notch created. Use the Value dial to select the writing point destination (User programs only). When you do so, the name of the program that currently oc- cupies the writing destination will be displayed you can press the NOTCH button to move to the edit page for the Notch effect.
Troubleshooting It is not possible to write to a preset program. If the PX4A does not operate as you expect, 3. Reloading the factory programs please check the following points first. If this does While holding down the RHYTHM/AUX PITCH not resolve the problem, contact your dealer.
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• Is the volume of your guitar turned down? 3. The volume from the device connected to the AUX jack is too loud or too soft, or can- not be heard. • Adjust the output level of the connected de- vice.
Effect Parameter DYNA (Dynamic effects) TYPE (π/† button) VALUE (Value Dial) COMP This compressor produces consistent levels and sustain. Adjusts sensitivity (1.0...10.0) LIMITER Limiter that suppresses excessive levels. Limiting amount (0.0…10.0) EXCITER Exciter that adds sparkle to the high-frequency range. Effect depth (0.0…10.0) TONE TYPE (π/†...
BODY (Mic & Body Modeling) Types marked by an asterisk* can also be selected by the Mic & Body modeling selector. TYPE(π/† button or Mic & Body modeling selecter) VALUE (Value Dial) C-MIC* Condenser mic simulation. Mic distance (0.0 [distant]…10.0 [close]) M-LARGE* A large body suitable for a variety of situations.
MOD (Modulation & Filter Effect Modeling) TYPE (π/† button) VALUE (Value Dial) CHORUS1 A chorus effect suitable for acoustic guitar. Effect depth (0.0…10.0) CHORUS2 A chorus effect with adjustable modulation speed. Adjusts modulation speed. (0.1...10.0 [Hz]) 12STR A twelve-string guitar simulator. Effect depth (0.0…10.0) FLANG1 A mild-sounding flanger.
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TYPE (π/† button) VALUE (Value Dial) PITCH1…3 Pitch shifter (PITCH1, 2, 3 differ in the level of the effect). Amount of pitch shift (-24, -17, -12… -1, -d, d, 1…12, 19, 24) (d = detune) DRONE1 A drone effect that adds a continuous pitch similar to that of a tambura, an instrument of India (soft effect level) Specify the drone pitch* (C, C#...A#, B)
DLY (Delay Modeling) Each delay type, (1, 2, 3, 4, 5) have different amounts of feedback. The delay time is set by the interval at which you press the TAP button twice. The specified delay time can be a maximum of 500 ms for SLAP or a maximum of 1.9 sec for MULTI, and can be checked by holding down the TAP button.
REV (Reverb Modeling) TYPE (π/† button) VALUE (Value Dial) DRYAIR Reverb that produces a sensation of dry air. WETAIR Reverb that produces a sensation of wet air. ROOM1 Bright-sounding room reverb. ROOM2 Mellow-sounding room reverb. Adjusts effect level PLATE1 Tight-sounding plate reverb. (0.0...10.0) PLATE2 Bright-sounding plate reverb.
Preset Program Name Name Name Name Name Name 01 FOLK 1 11 ROCK 21 CHORUS 31 STARS 41 T-LARGE 02 FOLK 2 12 BOSSA 22 OLD PHA 32 D DRONE 42 G-LARGE 03 FOLK 3 13 EC 000 23 JET FLN 33 AC TALK 43 M-SMALL 04 JAZZ 1...
Rhythm Pattern List No. Name C P No. Name C P No. Name C P No. Name C P No. Name 8FILL4 16FILL5 METAL2 REGGAE2* 1 1 METRONM 1 1 METRO2 8FILL5 16BRK MTLFILL REGGAE3* 2 2 METRO3 8BRK 1 16SHFL1 R'N'B DANCE1...
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* The bass line of these rhythm patterns follow the chord progressions shown below. (The chord progressions when used in a pattern chain is shown in parenthesis [ ]. ) 8BEAT5 I – IV II – V [ Im – IV ] – VIIm – III – VIm – II – V 8FILL1 I –...