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Problem
MIDI messages are not transmit-
ted/receive correctly
Can't hear spring shock noise
Can't hear the 1' harmonic bar
Rotary changes to FAST uninten-
tionally
Hold pedal or control pedal oper-
ation is reversed
D Beam sensitivity is incorrect
Preset memory contents are lost
Can't select Other Tones
Check
The MIDI channel of each part is not
set correctly.
The Control MIDI Channel is not set
correctly.
The sequencer playback tempo is
not set correctly.
The Sub Keyboard Function is not
set correctly.
Reverb level is set to 0.
PERCUSSION is turned on.
If PERCUSSION is on, the sound of
the 1' harmonic bar will not be
heard.
Control pedal or D Beam is assigned
to "CRESCENDO."
If the control pedal or D Beam is as-
signed to "CRESCENDO" when the
[SLOW/FAST] button is in the
SLOW state, and you fully depress
the control pedal, or place your
hand very close to the D Beam, the
rotary will switch to FAST.
The control pedal's polarity is re-
versed.
Something was covering the D Beam
when the power was turned on.
When the power is turned on, the
VK-8 automatically adjusts the sen-
sitivity of the D Beam. For this rea-
son, do not place any objects on the
D Beam or cover it with your hand
when the power is turned on.
D Beam sensitivity is incorrect.
The instrument is placed in a loca-
tion where there is a large amount of
infrared light.
The power was turned off while
data was being written into preset
memory.
The VK-8 is in Preset mode
The VK-8 is in Edit mode.
The VK-8 is in Demo mode.
Troubleshooting
Solution
Set the MIDI channels correctly.
Make sure that the VK-8's program
changes and expression data are be-
ing transmitted on the correct MIDI
channel.
Have the sequencer play back the
data at the same tempo that was
used when the exclusive data was
recorded.
Check the Sub Keyboard Function
setting.
Turn the REVERB [LEVEL] knob
clockwise to adjust the reverb level.
This is not malfunction.
If the [SLOW/FAST] button is in the
SLOW state, rocking back onto the
heel of the control pedal, or moving
your hand away from the D Beam
will cause the rotary to return to
SLOW.
Depending on the type of pedal
switch or expression pedal, it may
have the opposite operation when
depressed. Switch the polarity of the
control pedal.
Readjust the sensitivity of the D
Beam.
Readjust the sensitivity of the D
Beam.
The D Beam will not function cor-
rectly in a location where there is a
large amount of infrared light.
Never turn off the power while data
is being written into preset memory.
Get the [PRESET] button to go out,
thus turning off Preset mode.
Exit Edit mode.
Exit Demo mode.
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