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4-22
PERFORMANCE
VERIFICATION
PROCEDURE
7.
Cursor
measursmsnU:
time accuracy
*•*
Models
95/97
only!
This
test
checks
the
accuracy
of
the
cursors while
measuring
time.
Test
equipment:
Tektronix
TG
501
Time Mark
Generator
Test setup:
SeoD^Meter
Setting/procedure:
A
Apply a
1
ms
time
marker
signal to
charnel
A.
Use a
500
termination.
B
Switch
on
the
Scope
Meter
and
press
the
SCOPE
key
to
get
into
SCOPE
mode.
Now
press
the
AUTO
SET
key.
C
Set the timebase
to
1
ms/div.
D
Press
the
HOLD/RUN
key
to
freeze the
display.
E
Press
the
CURSOR
DATA
key
to
get
Into
the cursor
menu,
F
Press
the
CURSOR
softkey
to
turn
on
the
cursor
lines.
G
Position
the cursor
lines
with the
<CURSOR
-l->
and
<CUfiSOR
2->
keys,
so
that
they
cover a
distance
of 6
time
marker
Intervals.
Position the
markers
exactly
lothe top
of
the
marker
pulses.
See
figure 4.11.
Requirements:
The measured
time distance
between
the
cursors
Is
displayed
at
the
right
side next
to
the
traces.
This
value
must
be
5. 99...
6.01
ms.
*5VAC
PROBE
*10 B
Of
F
PROBE*10
Figure
4.
1 1
Cursor
lines
on marker
pulses
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