SELECTING THE DIGITIZER TEST
Starting with
the
first main menu question displayed on the
front
panel
display,
press
the
YES,
NO
or
SELECT
switch in
response to the display prompts as
tfollows:
CLR PWR FAIL CNT? Press YES
AUTOTEST? Press NO
RUN
ALL
TESTS? Press NO
FRONT PANEL? Press
NO
TEST CPU? Press NO
TEST
CGP? Press NO
TEST
CHANNELS? Press YES
TEST DIGITIZER? Press YES
There is a choice of one of three sinewaves to sample:
C8
SINEWAVE? Press YES or
NO
C5 SINEWAVE? Press YES or NO
C2 SINEWAVE? Press YES or
NO
After selecting one of the sinewaves, the display will show:
TEST DIGITIZER
After a one second sampling period, the display will show:
TEST DIGITIZER
SCOPE
CHANNEL 1 AND 2
At this point, the digitized output signal should be available:
CHANNEL
SIGNAL FREQUENCY PERIOD
1 C2SINEWAVE
65HZ 15.29
MS
1
C5SINEWAVE
523HZ
1.91
MS
1
C8
SINEWAVE 4186HZ 239US
1
Location U20.
Pin
2
on
the Channel board
Kurzwell 250 Service Manual, Chapter 4
4-55
AMPLITUDE
10V
P-P
10V
p-p
8.8V
P-P
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