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N:\mkt\MANUALS\HP8924C\APPMOD\BOOK\chapters\amcal.fb
Chapter 1, Calibrating the Test Set
Calibration Procedures
Cha
p
te
r 1
Calib
ra
ting
The
Tes
t Set
Recommended Calibration Procedures:
When Test Set is
being used for the
first time (allow
30-minute
warmup period).
After extended
power off cycle
(allow 30-minute
warmup period).
After firmware is
upgraded
When the "Uncal"
light is flashing
Before making an
Average Power
measurement
If the RF connec-
tions to the PCS
interface are
adjusted.
If the ambient
temperature
changes more than
5 degrees C since
latest calibration
Ram Initialization
Every month
(PCB CAL)