Yamaha DX21 - Manual (Page 12)

“Performance parameters” are programmable parameters which pertain mainly to
3. The Performance real-time performance effects such as how the pitch bend and modulation wheels
Parameters
affect the sound. All performance parameters can be memorized for each voice.
If you wish that the edited data will remain in the memory, you have to store it
using STORE function (see CHAPTER V: VOICE PROGRAMMING, “4. Storing
Voice Data”).
B1: POLY/MONO
This function selects either the POLY or MONO note output mode.
There are two possible settings: POLY and MONO. In the POLY mode the note
output configuration depends on the currently selected play mode. When the play
mode is set to SINGLE up to 8 notes can be played simultaneously. When set to
SPLIT up to 4 notes may be simultaneously played on each side of the split point
(4 + 4). When set to DUAL up to 4 notes may be played simultaneously. In the
MONO mode, which can only be selected when the DX21 is in the SINGLE play
mode, the DX21 acts as a last-note-priority monophonic keyboard. In the SPLIT
mode it is possible to select one POLY voice and one MONO voice. In this case
up to seven notes can be played simultaneously on the POLY voice and one on
the MONO voice.
Once the POLY/MONO function is selected, subsequent presses on the B1 button
alternate between the POLY and MONO modes. The DATA ENTRY switches can
also be used: the -1 switch selects POLY and the +1 switch selects MONO.
B2: PITCH BEND RANGE
This function sets the pitch range of the pitch bend wheel located to the left of
the DX21 panel. The pitch bend wheel automatically centers at normal pitch. It then
may be moved upward (away from the player to raise the pitch, or moved downward
(toward the player) to lower the pitch by the specified amount.
The data range is from 0 to 12. At 0 the pitch bend wheel is off. Each increment
between 1 and 12 represents a semitone. Thus if this function is set to 12, maximum
travel of the pitch bend wheel produces a one-octave pitch variation, both above
and below center position–i.e. plus or minus one octave.
The DATA ENTRY control and -1/+1 switches can be used to enter data. Once
the PITCH BEND RANGE function is called, subsequent presses on the B2 button
increment the data value.
PB MODE: MODE SET
This function selector, located immediately above the DATA ENTRY -1 button,
offers a choice of three pitch bend wheel modes: Low, High and K-on. In the Low
mode, the pitch bend wheel affects only the lowest note played on the keyboard.
In other words, if a chord is played, the pitch bend wheel affects only the pitch
of the lowest note in the chord—this makes it possible to produce some interesting
effects. The High mode is just the opposite—only the highest note played will be
affected by the pitch bend wheel. In the K-on (Key on) mode, all notes played
are affected simultaneously by the pitch bend wheel, while notes sustained using
the sustain footswitch will not be affected.
The DATA ENTRY control and -1/+1 switches can be used to select the desired
mode.
B3: PORTAMENTO MODE
Two different portamento modes are available: Full Time Portamento and Fingered
Portamento. When the POLY/MONO function is set to POLY (button B1), only
the Full Time Portamento mode is accessible. In the MONO mode, you have a choice
between the Full Time and Fingered portamento modes.
(1) “Full Time Porta” (MONO and POLY modes): Aconventional portamento effect
in which portamento occurs whenever a new note is played.
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