Chapter 2: Selecting And Playing Sounds (Patches); What Is A Patch; Rewritable Patches (User Patches); Read-Only Patches (Preset Patches) - Roland GR-30 Manual

Chapter 2: Selecting and Playing Sounds

What Is a Patch?

"Patch" is the term for the GR-30'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-30.
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 machine's basic unit of sound is the "tone."
These tones are a collection of useful sound wave
forms such as "Synth Lead," "Nylon Guitar,"
"Organ," and so on. A total of 384 different kinds of
tones come built-in with the GR-30 (How to choose
tones → p. 32; list of tones → p. 104).
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. 29.)
Patch numbers are indicated by a three-digit code: a
letter of the alphabet (A-H), followed by a numeral (1
to 8), and then another numeral (1 to 4). (Example:
A83, D24, F61, etc.)
<<fig. 2-2>>
Numerals 1 to 4 (Pedal Numbers)
Numerals 1 to 8 (Banks)
Letters A, b, C, d, E, F, G, H (Groups)
If for whatever reason it is necessary to do so, consecu-
tive numerals 001 to 256 can also be substituted (p. 20).

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-30, the patches stored
in these groups were the same as the following preset
patches. If you want to reset the GR-30 patches to the
original conditions, please carry out the initialization
procedure explained on p. 81.)

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.
(Patches)
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