Table of Contents
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SAFETY PRECAUTIONS Usage Precautions .................................... 2
Features ............................................................................................... 4
Terms Used in This Manual ................................................................ 5
Controls and Functions / Connections ............................................. 6
Selecting a Patch ................................................................................ 8
Using the Tuner ................................................................................. 10
Using the Rhythm Function .............................................................. 12
Editing a Patch .................................................................................. 14
Storing/Copying Patches .................................................................. 16
Using the Built-in Expression Pedal ................................................ 18
Using the Feedback Control ............................................................ 20
Manual operation of feedback control .............................................. 20
Automatic detection of feedback frequency .................................... 21
control function .................................................................................. 22
Using Manual Mode .......................................................................... 23
Other Functions ................................................................................. 24
Making settings for the built-in expression pedal ............................ 24
Adjusting the sensitivity of the built-in expression pedal ................ 24
Using an external expression pedal (FP01/FP02) ............................. 25
Using a foot switch (FS01) ................................................................. 25
Using the A2.1u as audio interface for a computer .......................... 26
Use as a direct box ............................................................................ 27
Starting the A2.1u in HI-GAIN mode ................................................. 28
Restoring Factory Defaults ................................................................ 28
Linking Effects ................................................................................... 29
CONTROL module and GLOBAL module ......................................... 29
Effect Types and Parameters ........................................................... 30
How to read the parameter table ...................................................... 30
MODEL ........................................................................................... 31
MIC ................................................................................................ 32
COMP/LIMIT .................................................................................. 32
LO EQ ............................................................................................ 32
HI EQ .............................................................................................. 33
ZNR ................................................................................................ 33
MOD/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 installation. This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by turning the equipment
off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or 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.
ZOOM A2.1u
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