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Note
Agilent E4418B/E4419B Service Guide
When switching the range calibrator to STANDBY, allow enough
time for the range calibrator to settle to its zero value before
attempting to zero the power meter. This settling would appear on
the power meter display as downward drift. When the drift has
reached minimum, (typically less than 60 seconds), the range
calibrator is settled.
9. Set the DC calibrator as follows:
•
SET VALUE: 0 (ZERO)
•
FUNCTION: DC
•
OUTPUT: OFF
10. On the power meter press
,
Filter Filter On Mode Man Length
length to 512 in the pop up window then press
11. On the power meter press
seconds for the wait symbol to disappear. Verify that the display
reads 0 ±0.05 µW.
12. Set the DC calibrator output to 144.93mV, and set the output
switch to '+'.
13. Press
to calibrate the power meter.
Cal
Instrument Accuracy Test
System
,
Input Settings
Inputs
,
,
, and set the filter
Zero
,
. Wait approximately 10
Zero
Cal
Performance Tests
,
,
More
Enter
.
2-13
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