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Operation Manual

 

© ZOOM Corporation

 

Reproduction of this manual, in whole or in part,

by any means, is prohibited.

eA21u.fm 1 ページ 2005年11月4日 金曜日 午後5時23分

Summary of Contents for A2.1U

Page 1: ...Operation Manual ZOOM Corporation Reproduction of this manual in whole or in part by any means is prohibited eA21u fm 1 ページ 2005年11月4日 金曜日 午後5時23分 ...

Page 2: ...and Excessive vibration or shock Handling Never place objects filled with liquids such as vases on the A2 1u since this can cause electric shock Do not place naked flame sources such as lighted candles on the A2 1u since this can cause fire The A2 1u is a precision instrument Do not exert undue pressure on the keys and other controls Also take care not to drop the unit and do not subject it to sho...

Page 3: ...OD EFX 33 DELAY REVERB 35 CONTROL 37 GLOBAL 38 Troubleshooting 38 Specifications 39 A2 1u Preset Pattern Back cover The FCC regulation warning for U S A This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installat...

Page 4: ...ovides an efficient cure The function can be activated by foot switch during a performance XLR connector for direct output In addition to the regular output jack the A2 1u features an XLR connector for sending a balanced line level signal to equipment such as a PA mixer or recording console The signal can be derived from a point before or after effect processing A ground lift switch is also provid...

Page 5: ...comprises information about the on off status of each effect module about the effect type used in each module and about effect parameter settings The internal memory of the A2 1u holds 80 patches 40 of these can be rewritten by the user Bank and area A group of ten patches is called a bank The memory of the A2 1u comprises a total of eight banks labelled A to d and 0 to 3 Banks A d form the user a...

Page 6: ...ch Selects the point where the signal supplied at the BALANCED OUT connector is branched off GROUND switch Determines whether the BALANCED OUT connector is grounded or not Computer Mixer Headphones PA system BANK keys STORE key Shows patch numbers setting values and other information about operating the A2 1u Display These switches serve for selecting patches turning effect modules on and off cont...

Page 7: ...into this jack CONTROL IN jack Serves for connection of an optional foot switch FS01 or expression pedal FP01 FP02 OUTPUT PHONES jack This stereo phone jack can be used for connection to a guitar amplifier or hi fi system It is also possible to use a Y cable for sending the output to two amplifiers or to plug a pair of stereo headphones into this jack POWER switch Turns the unit on and off When us...

Page 8: ... when the power was last turned off will appear on the display Select a patch To switch the patch press one of the W Q foot switches Pressing the W foot switch calls up the next lower patch and pressing the Q foot switch calls up the next higher patch Repeatedly pressing one foot switch cycles through patches in the order A0 A9 d0 d9 00 09 30 39 A0 or the reverse order Immediately after turning th...

Page 9: ... select another patch To retain the changes store the patch p 16 Besides the individual patch levels the A2 1u also allows adjusting the master level This setting affects all patches p 37 Parameter knob 2 Parameter knob 1 Parameter knob 3 Mainly adjusts the MIX parameter of the MOD EFX module the level of the effect sound mixed to the orignal sound Adjusts the PATCH LEVEL parameter output level of...

Page 10: ... foot switches is pressed slightly earlier When you cancel the bypass mute condition the original patch number will be active again This kind of behavior is not a defect It is due to the very high speed at which the A2 1u responds to patch switching To prevent the sound change caused by the above condition do not produce sound with your instrument until the bypass mute condition is fully establish...

Page 11: ...0 Hz Adjusting the reference pitch of the tuner Return to play mode Turn parameter knob 1 While the reference pitch value is shown turn parameter knob 1 to adjust it Press one of the W Q foot switches If required you can fine adjust the reference pitch of the A2 1u tuner The default setting after power on is center A 440 Hz The current reference pitch is shown The adjustment range is 35 45 center ...

Page 12: ... rhythm is playing the DELAY REVERB module is set to off The A2 1u has 40 built in rhythm patterns For more information on the pattern contents see the back cover of this manual When the above steps are carried out the current rhythm pattern number 01 40 is briefly shown on the display HINT The rhythm function can be used both in play mode and manual mode Using the Rhythm Function The A2 1u has a ...

Page 13: ...knob the current setting 0 30 is shown on the display The rhythm pattern tempo can be adjusted in the range of 40 250 BPM beats per minute When you tap the foot switch the first time the current tempo setting is shown The setting is then adjusted automatically at the second and subsequent taps While the above steps are carried out the current tempo value 40 250 is shown on the display For values i...

Page 14: ...er than PLAY the A2 1u switches to edit mode and the effect type currently selected for the respective module is shown In edit mode a dot appears in the bottom right of the display Dot indicates that unit is in edit mode Effect type 1 2 3 4 5 6 7 8 9 10 HINT You can switch to edit mode from play mode or manual mode To switch an effect module on and off To switch the selected effect module between ...

Page 15: ...ffect parameters use the parameter knobs 1 3 NOTE When a module that is set to off is selected the display shows oF Which parameter is assigned to a knob depends on which effect module effect type is selected p 30 38 When you turn a parameter knob the corresponding LED lights up and the display briefly shows the current value of the respective parameter Select the effect type To switch the effect ...

Page 16: ...shing indication NOTE Patches of banks in the preset area 0 3 are read only No patches can be stored or copied into these locations If you press the STORE key while a patch from the preset area is selected the patch A0 bank A patch number 0 will be selected automatically as default store copy target Select the store copy target bank To select the store copy target bank use the BANK keys NOTE Only ...

Page 17: ...e pressing the STORE key again step Press the STORE key once more When the store copy process is completed the unit returns to the previous mode with the target patch being selected Specify the store copy target patch number To specify the store copy target patch number use the W Q foot switches eA21u fm 17 ページ 2005年11月4日 金曜日 午後5時23分 ...

Page 18: ...ion pedal controls a parameter from the respective module FEEDBACK FREQ The expression pedal controls the feedback control frequency Select the element to be controlled by the expression pedal Press the PEDAL ASSIGN key to select the element to be controlled by the expression pedal The row of LEDs above the key shows which element is currently selected Which parameter will be changed by the expres...

Page 19: ...al is assigned to FEEDBACK FREQ the feedback control function will be switched on and off Operate the pedal While playing your instrument move the expression pedal up or down To switch a module on or off Store the patch as necessary When you push the expression pedal fully down the parameter or module selected with the PEDAL ASSIGN key will be switched between on and off The expression pedal setti...

Page 20: ...m automatic detection of feedback frequency When you assign Feedback Freq to the built in expression pedal and press it fully down the feedback control function will be activated using a setting of 30 At Feedback frequency is detected automatically and the respective range is attenuated 1 30 This allows you to manually set the feedback frequency Higher setting values correspond to higher frequency...

Page 21: ...BACK FREQ value by turning parameter knob 1 2 To automatically detect the feedback frequency while playing your guitar proceed as follows In play mode Use an external foot switch FS01 connected to the CONTROL IN jack Set the function to be controlled by the foot switch to Fb feedback control on off p 25 Press the foot switch to turn feedback control on NOTE If no external foot switch is connected ...

Page 22: ... frequency 3 Store the patch if necessary The expression pedal setting can be stored for each patch individually 4 If acoustic feedback occurs while you are playing your instrument push the built in expression pedal fully down When the built in expression pedal is pushed fully down while the FEEDBACK FREQ parameter setting is oF the feedback control function will be turned on The feedback frequenc...

Page 23: ...ck control setting value oF When you press the foot switch the unit automatically detects the feedback frequency and attenuates it Pressing the foot switch once more turns feedback control off At When you press the foot switch the feedback control function is turned off When you press the foot switch once more the function is turned on again the unit automatically detects the feedback frequency an...

Page 24: ...e EU Ed EH EL MOD EFX module dU dd dH dL DELAY REVERB module Fb Feedback control frequency HINT The module to be controlled can also be selected with the PEDAL ASSIGN key p 18 Which parameter changes when the expression pedal is operated depends on the effect type selected for the module For details see pages 30 38 When the COMP LIMIT TONE MOD EFX or DELAY REVERB module is selected the pattern in ...

Page 25: ...1u you can use that pedal as a volume pedal separately from the built in expression pedal 1 Plug the cable from the external expression pedal into the CONTROL IN jack and then turn the A2 1u on 2 Operate the external expression pedal in play mode or edit mode The volume changes HINT The external expression pedal always functions as a volume pedal Using a foot switch FS01 Connecting an optional foo...

Page 26: ...le Mn Manual mode The foot switch toggles between play mode and manual mode This has the same effect as pressing the MANUAL key Fb Feedback control The foot switch toggles the feedback control function between on and off This has the same effect as pressing the Q foot switch in manual mode For details on the feedback control function see page 20 HINT For information on effect parameters supporting...

Page 27: ...back sound from the audio tracks of the DAW application mixed with the guitar sound processed by the effects of the A2 1u see illustration below For details on recording and playback refer to the documentation of the DAW application NOTE Also when using the A2 1u as an audio interface the signal after effect processing is always available directly at the OUTPUT PHONES jack If the DAW application h...

Page 28: ...When using a magnetic pickup an electric guitar with a single coil pickup or any other guitar with low output level the input gain of the A2 1u may have to be increased by starting it in HI GAIN mode as explained below To start the A2 1u in HI GAIN mode Turn power on while holding down the W foot switch The indication Hi GAin scrolls on the display and input gain will be set to a higher value NOTE...

Page 29: ...tching effect types here means selecting different guitar body sounds CONTROL module and GLOBAL module Besides the above modules the A2 1u also incorporates a CONTROL module and GLOBAL module The CONTROL module comprises settings such as expression pedal and foot switch function allocation as well as the master level that applies to all patches The GLOBAL module lets you optimize the A2 1u charact...

Page 30: ...pedal icon in the listing indicates a parameter that can be controlled with the built in expression pedal To control a parameter with the expression pedal specify the respective module or parameter as control target for the pedal p 24 and then select the respective effect type of the module Tap A tap icon in the listing indicates a parameter that can be set by repeatedly hitting tapping the foot s...

Page 31: ...AMAS that has a unique round backed body ny NYLON Simulation of the NYLON guitar sound that is suitable for Bossa Nova music MC MACCAFERRI Simulation of the SELMER MACCAFERRI that is known for its gypsy jazz sound db DOBRO Simulation of the DOBRO MODEL 27 with a wood body and metal resonator nt NATIONAL Simulation of the NATIONAL RESO PHONIC STYLE O with a brass body and metal resonator rE RESOPHO...

Page 32: ...erall signal level within a certain range SENSE 0 10 ATTACK 1 10 LEVEL 2 98 1 0 Adjusts the compressor sensitivity Higher setting values result in higher sensitivity Adjusts the time between the sound attack point and the start of compression Higher setting values result in faster compression action Adjusts the signal level after passing the module LM LIMITER This is a limiter that suppresses sign...

Page 33: ...n Table 2 Display 80 2 0 4 0 8 0 10 Frequency 800Hz 2kHz 4kHz 8kHz 10kHz ZNR ZNR ZOOM Noise Reduction module This module serves for reducing noise during playing pauses nr ZNR ZOOM Noise Reduction ZOOM original noise reduction which reduces noise in playing pauses without affecting the overall tone THRESHOLD 1 16 Adjusts the sensitivity For maximum noise reduction set the value as high as possible...

Page 34: ...CT LEVEL 0 98 1 0 Adjusts the frequency that is emphasized When an expression pedal is used the effect is the same as pedal wah Adjusts the mixing balance of the effect sound Adjusts the mixing balance of the original sound dL DELAY This is a delay with a maximum setting of 5000 ms tE TAPE ECHO This effect simulates a tape echo The above two effect types have the same parameters TIME 1 99 1 0 5 0 ...

Page 35: ... volume DEPTH 0 98 1 0 RATE 0 50 WAVE u0 u9 d0 d9 t0 t9 Adjusts the modulation depth Adjusts the effect rate Allows selection of the modulation waveform Available settings are u rising sawtooth d falling sawtooth and t triangular Higher setting values result in more clipping of wave peaks which reinforces the effect St STEP Special effect for acoustic guitar that changes the sound in a staircase p...

Page 36: ...fect is a gate reverb In the positive range the envelope is a decay type envelope Adjusts the level of the effect sound mixed to the original sound md MULTI TAP DELAY This effect produces several delay components with different delay times TIME 1 99 1 0 5 0 PATTERN 1 8 MIX 0 98 1 0 Adjusts the delay time In the range from 10 990 ms the adjustment is made in 10 ms steps 1 99 For 1 second and above ...

Page 37: ... Rhythm function on off EU Ed EH EL MOD EFX module dH Delay hold dU dd dH dL DELAY REVERB module dM Delay input mute Fb Frequency of feedback control function Mn Manual mode on off Fb Feedback control function on off CT UP Maximum value Minimum value Maximum value Maximum value Value set in patch Value set in patch Minimum value Minimum value DOWN HIGH LOW The operation of modules denoted by chang...

Page 38: ...e with regular combo type amplifiers Higher values result in stronger attenuation effect bM Designed for use with a magnetic pickup having a bright sound S1 S9 Designed for use with stack type amplifiers Higher values result in stronger attenuation effect dM Designed for use with a magnetic pickup having a dark sound SE Designed for use with an electric guitar and single coil pickup s HE Designed ...

Page 39: ...phones Line output maximum rating 5 dBm output impedance 10 kilohms or more Headphone output maximum rating 20 mW 20 mW into 32 ohm load XLR connector balanced output Input output gain 0 dB Output impedance 100 ohms HOT GND COLD GND 200 ohms HOT COLD Control input FP02 FP01 FS01 input USB interface PC interface 16 bit record play stereo Sampling frequencies 32 kHz 44 1 kHz 48 kHz Power requirement...

Page 40: ... 4 24 5per4_2 5 4 5 16beat_1 4 4 25 COUNTRY 4 4 6 16beat_2 4 4 26 REGGAE 4 4 7 16shufle 4 4 27 LATIN1 4 4 8 ROCK 4 4 28 LATIN2 4 4 9 FUNK_1 4 4 29 LATIN3 4 4 10 FUNK_2 4 4 30 BALLAD_1 4 4 11 HIPHOP 4 4 31 BALLAD_2 3 4 12 R nR 4 4 32 BLUES_1 4 4 13 POP_1 4 4 33 BLUES_2 3 4 14 POP_2 4 4 34 JAZZ_1 4 4 15 POP_3 4 4 35 JAZZ_2 3 4 16 POP_4 4 4 36 JAZZ_3 4 4 17 DANCE_1 4 4 37 METRO_3 3 4 18 DANCE_2 4 4 3...

Page 41: ...IX ARTIST C0 PARIS TEXAS NATIONAL Slide sound such as played by Ry Cooder on the soundtrack of Paris Texas by Wim Wenders VOLUME C1 AERIAL BOUNDARIES CHORUS ENSEMBLE This patch is inspired by the sound of Michael Hedges on his groundbreaking masterpiece Aerial Boundaries VOLUME C2 CROSS ROAD NYLON The sound of legendary pre war Blues guitarist Robert Johnson spruced up with a simulation of that la...

Page 42: ...appears Check whether the input port is active If the Active button is Off grayed out click the button to set it to On HINT When multiple input ports are available for selection you should scroll or enlarge the window and check the enable disable settings for all ports INPUT jack Computer Guitar or other instrument AC adapter Batteries or USB cable This unit OUTPUT jack Audio system or other hi fi...

Page 43: ... heard when you click the Play button after recording check the settings in the VST input window step 13 and the master channel output port setting step 15 once more For optimum enjoyment While using Cubase LE other applications may slow down drastically or the message Cannot synchronize with USB audio interface may appear If this happens frequently consider taking the following steps to optimize ...

Page 44: ...p After startup select ZOOM ASIO Driver as the ASIO driver in the right section of the Device Setup window When you change the ASIO driver selection a confirmation message appears Click the Switch button The device indication in the left section of the window now shows ZOOM ASIO Driver as the ASIO driver Click on this indication to select it and then click the Control Panel button in the right sec...

Page 45: ...ad change the recording level and gain settings at this unit NOTE While the monitoring button is enabled the direct signal input to this unit and the signal routed to the computer and then returned to this unit will be output simultaneously from this unit causing a flanger like effect in the sound To accurately monitor the sound also while adjusting the recording level temporarily set the output d...

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