15 UB-Xa User Manual
c – DIN Clock – switches transmission of internal clock over DIN MIDI OUT (on
(default) or o using +/- buttons).
d – USB Rt – switches sending of System Real Time data (start/stop/
pause/continue) from UB-Xa to USB MIDI OUT (on (default) or o using +/-
buttons).
e – USB Clock – switches transmission of internal clock over USB (on
(default) or o using +/- buttons).
f – Program Change Rx – switches reception of program and bank change
messages over either DIN or USB (on or o (default) using +/- buttons).
g – Program Change Tx – switches transmission on program and bank
change messages over either DIN or USB (on or o (default) using +/-
buttons).
h – Surface NRPN – switches transmission of NRPN messages when
controls are adjusted on or o (default). When NRPN is o MIDI CCs will be
transmitted.
Note that when the UB-Xa is acting as synchronization master for other MIDI
equipment a short press of the play/pause or stop buttons will only enable
or disable the UB-Xa’s own sequencer. To control the external equipment as
well use a double press or a long press.
10. USB Control – selects how the UB-Xa responds to, and transmits, MIDI
messages over USB
a – NRPN Tx – switches transmission of Non-Registered Parameter Numbers
over USB for coarse and ne adjustment of parameters where allowed (on or
o (default) using +/- buttons).
b – NRPN Rx – switches reception of Non-Registered Parameter Numbers
over USB for coarse and ne adjustment of parameters where allows (on
(default) or o using +/- buttons).
c – CC Tx – switches transmission of continuous controller data over USB (on
(default) or o using +/- buttons).
d – CC Rx – switches reception of continuous controller data over USB (on
(default) or o using +/- buttons).
11. DIN Control - selects how the UB-Xa responds to, and transmits, MIDI
messages over DIN
a – NRPN Tx – switches transmission of Non-Registered Parameter Numbers
over DIN for coarse and ne adjustment of parameters where allowed (on or
o (default) using +/- buttons.
b – NRPN Rx – switches reception of Non-Registered Parameter Numbers
over DIN for coarse and ne adjustment of parameters where allow (on
(default) or o using +/- buttons).
c – CC Tx – switches transmission of continuous controller data over DIN (on
(default) or o using +/- buttons).
d – CC Rx – switches reception of continuous controller data over DIN (on
(default) or o using +/- buttons).
12. MPE Pitch Lower – controls the sensitivity of MPE control of pitch bend for
the lower keyboard, from 0 to 96. Default is 48.
13. MPE Pitch Upper – controls the sensitivity of MPE control of pitch bend for
the upper keyboard, from 0 to 96. Default is 48.
14. MPE Prole – selects the MPE prole. Single allocates fteen channels
of MPE control to the spread of the keyboard, with channel 1 as the base
channel; or Zones which allocates 7 channels each to upper and lower
keyboards, with channel 1 as the lower base channel and channel 16 as the
upper. MPE can also be disabled in this option. Default is Disabled. Note
that the MIDI Rx channels selected in options 1 & 2 are disabled when in MPE
mode.
Please see the MPE chapter later in the manual for a full explanation of how MPE
works, and specically how it works with the UB-Xa.
Shift & 66 – Velocity & Aftertouch
1. Porta Modes – allows selection of dierent portamento types:
a – Match – matches the portamento speed of each note so that they arrive
at their destination simultaneously (on or o (default) using +/- buttons).
b – Quantize –switches between a standard smooth portamento curve
and one where notes glissade through semitones between notes (on or o
(default) using +/- buttons).
c – Bend – switches between a standard portamento and one where there
is always a bend from highest to lowest note when playing the same chord
repeatedly (on or o (default) using +/- buttons).
d – Exponential – all voices will take the same length of time to reach their
new note (on or o (default) using +/- buttons).
2. Unison Priority – switches between Below (default), Above and Last note
priority when in Unison mode.
3. Chord Priority - switches between Below (default), Above and Last note
priority when in Chord mode.
4. Aftertouch Out – switches between Channel Pressure and Polyphonic
Aftertouch (default) on MIDI OUTs.
5. AT Curve – sets intensity of Aftertouch Curve. Options are Soft, Medium
(default) and Hard.
6. Aftertouch Flt – sets the amount of aftertouch aecting the lter from 0 (no
aect) to 127 (full aect). Default is 63
7. Vel Curve – sets the intensity of the Velocity Curve. Options are Soft,
Medium (default) and Hard.
8. Vel Scale – sets the velocity response level from 0 (minimum) to 127
(maximum). Default is 63.
Shift & 67 – Voice Menu
Atrophy – allows alteration of Atrophy settings for the current prole.
1. 2pole Floor – adjusts the minimum point of the Filter Frequency
control (32) when the lter is in 2-pole mode; from 8.18 Hz to 130.81
Hz.
2. 4pole Floor – adjusts the minimum point of the Filter Frequency
control (32) when the lter is in 4-pole mode; from 8.18 Hz to 130.81
Hz.
3. FltrFreq Amount – adjusts the sensitivity of the Filter Frequency
control (32) from 48 semitones to 111 semitones.
4. FEnv Freq Amt – adjusts the range of the Filter Modulation control
(34) from 48 semitones to 175 semitones. Default is 120 in all proles.
5. ltrLFO Depth – adjusts the range of the LFO’s lter modulation when
selected by button 18 and Depth control (15); from 48 semitones to
175 semitones.
6. Res 2pCV Cap – caps the maximum level of the Resonance control
(33) when the lter is in 2-pole mode; from 50.20 % to 100.00 %. At
settings below 97.00 % the lter will not self-oscillate.
7. Res 4pCV Cap – caps the maximum level of the Resonance control
(33) when the lter is in 4-pole mode; from 0.00 % to 100.00 %. At
settings below 48.00 % the lter will not self-oscillate.
8. Filter Drift – adds a random voltage to the lter frequency cuto.
Ranges from 0.00 cent to 400.00 cent with the eect becoming more
pronounced at higher settings. Default is 0.00 cent in all proles.
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