Sound Test - Kurzweil K2000 Service Manual

SECTION
2
PWRCHECK.DOC 12/22/92
2.17
2.17.1
2.17.2
2.17.3
2.17.4
SOUND
TEST:
•
Plug
in
stereo headphones or
a
two channel sound
system and continue below.
SOUND
ROMs:
•
Select each voice
as indicated; play
1
note, then
play
a
chord. Allow each to decay completely,
(approximately
10
seconds)
.
Listen for correct
sounds
•
Select voice
31 Classical Piano
•
Select voice
120
Warm Choir
•
Select voice
183
Warm Bell
•
Select voice
85
Wood Bars
EFFECTS QUALITY:
•
With Wood Bars still
selected, press the Effects
mode button and set wet/dry to zero
(0) %,
play
as
above and listen to effects.
•
Set effects to
50% wet, play and listen
again.
•
Set effects to 100%
wet,
play and listen
again.
With
100% wet, noise floor will raise slightly (see
Chapter
9
of
Musicians
Guide)
EFFECTS OFFSET:
•
Switch the effect between
106 Into The Abyss and
107
Space Flange.
•
A
small artifact maybe present during switching or
in
the background of the flange effect.
Note that
setting the offset adjustment to
a
null point for
the pop artifact may increase the noise
floor.
Check also
for background artifact on the flange
effects as
a
change to the offset adjustment can
also add this artifact.
Set for best overall
performance
CALVIN
TEST:
•
NOTE:
24
layers must be created for this test.
•
Select voice
116,
Solo Flute.
Press
EDIT,
then
change EQ to
none.
•
Move cursor to AMP block, press enter and change
adjust to
-6db.
•
Press KEYMAP then
153,
ENTER
(very dull saw).
•
Press right MORE twice.
•
Press EFFECT, set wet/dry to
0%.
•
Press COMMON and change the pitch bend range to 2400
ct.
•
Press right MORE four times.
•
Press DupLyr
23
times to create
24
duplicate
layers.
•
Play
a
note and move the pitch bend wheel up and
down slowly.
The transition should be smooth with
no glitches. Note that
it is
possible to hold the
wheel between increments and the system will switch
13