Yamaha VL70-m User Manual
108
Symptom
•
•
No sound.
Possible Causes
•
•
Is the amplifier/mixer power turned on?
•
Is the amplifier/mixer volume set to an appro-
priate level?
priate level?
•
Is the VL70-m volume control set to an appro-
priate level?
priate level?
•
Are the VL70-m outputs properly connected to
the amplifier/mixer inputs?
the amplifier/mixer inputs?
•
Are the connection cables shorted, open, or
otherwise faulty?
otherwise faulty?
•
Is the HOST SELECT switch set appropriately
for your system (page 20)?
for your system (page 20)?
•
Is the echo back (or MIDI THRU) function on
your computer or sequencer set properly?
your computer or sequencer set properly?
•
Is the VL70-m MIDI receive channel set
properly (pages 34 and 38)?
properly (pages 34 and 38)?
•
Is the PLAY mode Volume parameter set
properly (pages 32 and 38)?
properly (pages 32 and 38)?
•
Is the PLAY mode Master Volume parameter
set properly (page 41)?
set properly (page 41)?
•
Is the PLAY mode Expression parameter set
properly (page 38)?
properly (page 38)?
•
Are the filter and EG attack times set to
unusually long values (page 72)?
unusually long values (page 72)?
•
Are the high and low note limit parameters in
the “Others” edit mode set to appropriate values
(page 81)?
the “Others” edit mode set to appropriate values
(page 81)?
•
Is the Voice Level parameter in the “Others”
edit mode set to an appropriate value (page
79)?
edit mode set to an appropriate value (page
79)?
•
Is the Breath Mode parameter set properly
(page 96)?
(page 96)?
•
If a WX-series Wind MIDI Controller is
unplugged from the VL70-m while no breath is
applied to the controller, the breath value can
get “stuck” at “0”, resulting in no sound output.
unplugged from the VL70-m while no breath is
applied to the controller, the breath value can
get “stuck” at “0”, resulting in no sound output.
Symptom
•
•
Volume too low.
Possible Causes
•
•
Is the PLAY mode Volume parameter set
properly (pages 32 and 38)?
properly (pages 32 and 38)?
•
Is the PLAY mode Expression parameter set
properly (page 38)?
properly (page 38)?
•
Is the PLAY mode Master Volume parameter
set properly (page 41)?
set properly (page 41)?
•
Is the Voice Level parameter in the “Others”
edit mode set to an appropriate value (page
79)?
edit mode set to an appropriate value (page
79)?
•
Are the “Others” edit mode Velocity Depth and
Velocity Offset parameters set to appropriate
values (page 81)?
Velocity Offset parameters set to appropriate
values (page 81)?
Symptom
•
•
Distorted sound.
Possible Causes
•
•
Is the VL70-m connected to a high-sensitivity
microphone or instrument input on your
amplifier or mixer? Try turning the VL70-m
DOWN controls down to avoid overloading the
amplifier/mixer inputs.
microphone or instrument input on your
amplifier or mixer? Try turning the VL70-m
DOWN controls down to avoid overloading the
amplifier/mixer inputs.
•
Is a distortion-type effect being used (page 94)?
Symptom
•
•
Wrong pitch.
Possible Causes
•
•
Is the master tune parameter set properly (page
98)?
98)?
•
Is the transpose or system transpose parameter
set properly (pages 33 and 41)?
set properly (pages 33 and 41)?
•
Is the note shift parameter set properly (page
35)?
35)?
•
Is the “Others” edit mode Detune parameter set
properly (page 79)?
properly (page 79)?
•
Are inappropriate RPN Fine Tune or RPN
Coarse Tune MIDI message being received
from an external MIDI device?
Coarse Tune MIDI message being received
from an external MIDI device?
Symptom
•
•
Can only play one note at a time (i.e. no
polyphony).
polyphony).
Possible Causes
•
•
The VL70-m is a monophonic tone generator
which is capable of producing only one note at
a time.
which is capable of producing only one note at
a time.
Appendix