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15: PORTAMENTO MODE
Two different portamento modes are available: Full Time Portamento and Fingered
Portamento. When the POLY/MONO function is set to POLY (button 13), 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 T. Porta” (MONO and POLY modes): A conventional portamento effect
in which portamento occurs whenever a new note is played.
(2) “Fingered Porta” (MONO mode): Portamento only occurs if the previously
played note is held while the next note is played. This mode is useful in re-
creating the effect of guitar string bending techniques, acoustic bass or bass
guitar slide effects, etc. If you lift your hand off the DX27 keyboard between
notes, there will be no portamento effect.
Once the PORTAMENTO MODE function is called, subsequent presses on the 15
button alternate between the two available portamento modes only if the MONO
note output mode is selected. The DATA ENTRY or -1/+1 buttons can also be
used to select the desired portamento mode.
16: PORTAMENTO TIME
This function sets the speed of the portamento effect.
The data range is from 0 to 99. At 0, portamento is off. A setting of 99 produces
the longest portamento effect.
Data can be entered using the DATA ENTRY slider and -1/+1 buttons. Once the
PORTAMENTO TIME function has been called, subsequent presses on the 16
(PORTAMENTO TIME) button will increment the data value.
17: FOOT SWITCH ASSIGN
This function selects SUSTAIN or PORTAMENTO footswitch operation for the
Yamaha FC-4 or FC-5 footswitch plugged into the rear-panel footswitch jack.
Depending upon which of the two functions has been called via the 17 button
(select using the –1/+1 buttons), the footswitch, when pressed, will operate
correspondingly. When it is not pressed, the selected effect is OFF. The POR-
TAMENTO function parameters are adjustable via the PORTAMENTO MODE and
PORTAMENTO TIME buttons (15 and 16, respectively). In the SUSTAIN mode,
the footswitch will sustain notes played to the limit set by the ENVELOPE GEN-
ERATOR D2R parameter (see CHAPTER IV: ENVELOPE GENERATOR, 18: D2R)
when it is set to a rate other than 0, even though the keys have been released. If
the EG D2R is set to 0, then the D1L level will be maintained until the footswitch
is released.
18: MODULATION WHEEL RANGE, PITCH
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