Boss Dr Rhythm DR-55 User Manual page 18

Dr Rhythm DR-55 - Sound Of Music
Writing 32- and 24-Step Patterns
If the VARIATION switch [#7] is at "AB", the rhythm pattern will alternate between "A" and "B" when played. Often,
the pattern loaded into "B" is a variation of the "A" pattern in order to get more variety during performance; however,
if the two 16-step (or 12-step) measures produced by the "AB" pattern are thought of as one 32-step (or 24-step)
measure, patterns based on 32 and 24 steps can be programmed. To load, set the VARIATION switch [#7]
at "AB" and load 32 steps (or 24 steps with RHYTHM SELECT [#10] at "7" or "8").The TEMPO indicator [#3]
will light once halfway through the pattern, and again at the end of the pattern to indicate that loading is complete.
With a little forethought, It would be possible to load various rhythm patterns such as an
introduction. fill-ins, breaks, etc, into the various memory slots in such a way that the rhythm
part for an entire composition could be produced non-stop by changing the RHYTHM SELECT
[#10] and VARIATION [#7] switches while the rhythm pattern runs. To accomplish this, rhythm
patterns at the beginning of the composition should be loaded into the lower numbered places
of the RHYTHM SELECT switch [#10]. For example, the introduction should be loaded into
position 1. The main rhythm patterns for the composition should be near the center; positions 3
and 4, for example. Position 6 would be used for the close. In this way, the RHYTHM SELECT
[#10] switch need be moved only one step at a time when a change occurs. Changes in
RHYTHM SELECT [#10] and the VARIATION switch [#7] should be made as close to the
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Example of use:
bar lines as possible in order to produce a smooth transition.