Preview
root
at C4
Hit SELECT to continue
While playing
C4 (middle C), observe the output of the K250 on
the scope. Look
for
distortion, glitches and discontinuities
in
the
waveform. Compare the output of the K250 with the output
of
the
sine wave generator. The two should be idientical in frequency. The
amplitude of the output from the
K250 will depend on how hard you
hit the key.
Save
this
sound?
(YIN)
Retake? (YIN)
RECORD SOUND?
DIG
1
KURZWEIL GRAND PIANO
PLAY MODE
SELECT
NO
NO
PLAY
Disconnect the scope and the sine wave generator. Connect the
microphone to
the
MIC
jack
on the K250. Repeat the procedure
outlined
above.
Make
some
sound
when
the
display
says
RECORDING... Using pure tonal sounds will make it easier to detect
and diagnose any possible problems.
It is not necessary to observe
the output
on
the scope this time unless problems are encountered.
Kurzwell 250 Service Manual, Chapter 4
4-
59
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