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21
Chap.
2
Chapter 2 Selecting and Playing Sounds (Patches)
What Is a Patch?
“Patch” is the term for the GR-33’s tones that can be called up
at any time with a foot switch or other device. There are 256
patches stored in the GR-33. As an example, the “A11” that
appears in the display when the power is switched on
indicates that patch number A11 has been called up, and that
the unit is ready to be played.
This unit’s basic unit of sound is the “tone.” Tones consist of
sound waveforms, such as “GR Piano,” “Pipe Organ,” and
“Nylon Gtr mp” A total of 384 such tones are provided
onboard. (How to choose tones → p. 49; list of tones → p.
122)
In any patch, up to two selected tones are combined, and
then various settings and adjustments, such as brightness,
attack, difference between synthesizer and guitar pitch, and
the like are made. The user has full freedom to make these
settings and adjustments so that the patch may best suit the
song to be played.
Another result of changing these settings is that you can
write and store 128 patches (in the first half of the patch
bank). (For more detailed information about patches, please
refer to p. 35.)
Patch numbers are indicated by a three-digit code: “a letter of
the alphabet A–H (Group),” followed by “a numeral 1 to 8
(Bank),” and then “a numeral 1 to 4 (number on the pedal).”
(Example: A83, d24, F61, etc.)
fig.2-01
Consecutive numerals 001 to 256 can also be substituted (p. 24).
Rewritable Patches (User Patches)
Patches in Groups A through d
(A11 to A84, b11 to b84, C11 to C84, and d11 to d84)
Here you can create patches to fit a song, or for other
purposes, and then store those patches in memory.
(When you purchased your GR-33, the patches stored in
these groups were the same as the following preset patches.
If you want to reset the GR-33 patches to the original
conditions, please carry out the Factory Reset operation
explained on p. 16.)
Read-only Patches (Preset Patches)
Patches in Groups E through H
(E11 to E84, F11 to F84, G11 to G84, and H11 to H84)
This is a collection of 128 preset patches, which have already
been completely prepared by Roland. These patches are
read-only, so although they can be changed, they cannot be
written over with another patch. However, this also means
no worries that they might be erased accidentally.
Preset patches are called up and used in the manner as user
patches. Furthermore, they are convenient as references and
basic material for the user wishing to create original patches.
Selecting a Patch
Using the Guitar (GK-2A) to
Select Patches
Sometimes (such as when you want to listen to all of the
patches one after the order) you will want to select patches
using only the guitar (GK-2A). In such cases, follow the steps
below. (It is unnecessary to touch any pedal or anything else
on the base module.)
■ How to Select a Patch Using the Guitar
1. Press [SYSTEM] to enter System mode.
2. Press [PARAMETER] to select “S1/S2 FUNCTION.”
fig.2-02
Numerals 1 to 4 (Pedal Numbers)
Numerals 1 to 8 (Banks)
Letters A, b, C, d, E, F, G, H (Groups)