Studiologic Numa Compact Manual User Manual
Page 28
NUMA Compact by Studiologic®
28
Troubleshooting
Problem
Possible cause
Solution
The instrument does
not turn on.
No power is supplied.
Defective power
adapter.
Please make sure that
power is available and
switched on. Check the
power adapter.
The instrument does
not send MIDI data
MIDI Module is
switched off.
Switch MIDI Module
on by pressing On/Off.
The instrument can not
be controlled via MIDI.
MIDI data are not
sent on MIDI channel
1, 2 or 16.
Please send MIDI data
only on MIDI channel
1, 2 or 16.
The instrument just
plays and sends a fixed
velocity value
Fixed Velocity is
selected.
Select a different velo-
city curve
No sound is heard.
Sound Bank is
switched off.
Volume is set to 0.
Defective connecting
cable / headphone.
A sustain pedal is
connected to Expres-
sion pedal input.
Switch Sound Bank on
by pressing On/Off.
Set the Volume to a
higher level.
Change the cable /
headphone.
Unplug the sustain
pedal from expression
pedal in.
Only one sound is
heard in layer mode.
Balance knob is set
to either Upper or
Lower.
Change the Balance
value.
Sustain pedal holds
notes if it is not pressed,
but cuts notes if
pressed.
The polarity of the
sustain pedal is
reversed.
Turn the instrument
off and on again: the
right polarity will be
automatically set.
Troubleshooting