HP EPM-441A User Manual page 51

Making Measurements with the HP 8480 Series Power Sensors
up window. Modify this reference calibration factor (see below) as
desired.
Use or
currently positioned.
Use or
6. To confirm your choice press
7. Press to calibrate the power meter. During calibration the
Cal
wait symbol is displayed. (The power meter automatically turns
on the POWER REF output.)
Frequency
8. Press
Cal Fac
displayed under the
press
Cal Fac
in a pop up window. Modify this calibration factor (see below) as
desired.
Use or
currently positioned.
Use or
9. To confirm your choice press
10. Connect the power sensor to the signal to be measured.
11. The measurement result is now displayed.
Example
To make a measurement on channel A with a power sensor which has a
reference calibration factor of 99.8% and a calibration factor of 97.8% at
the measurement frequency.
• Disconnect the power sensor from any source.
Zero
• Press .
Cal
• Press Zero .
• Press . Use the
Ref CF
enter 99.8. Press
• Connect the power sensor to the POWER REF output.
• Press .
Cal
Frequency
• Press
Cal Fac
hardkeys to enter 97.8. Press
• Connect the power sensor to the signal to be measured.
• The measurement result is now displayed.
HP EPM-441A User's Guide
to modify the digit on which the cursor is
to move to other digits.
% .
. The current setting of the calibration factor is
Cal Fac softkey. To change this setting
. The power meter displays the calibration factor
to modify the digit on which the cursor is
to move to other digits.
.
%
, ,
.
%
, . Use the
Cal Fac
.
%
Power Meter Operation
and hardkeys to
, , and
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