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 OfF PROBE*10
Figure
4. 1 1 Cursor lines on marker pulses
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