HP E4419B User Manual page 59

Making Measurements with the HP 8480 Series Power Sensors
6. The current setting of the reference calibration factor is displayed
under the
A Ref CF
. The power meter displays the reference calibration
A Ref CF
factor in a pop up window. Modify this reference calibration factor
(see below) as desired.
Use or
currently positioned.
Use or
7. To confirm your choice press
8. Press ,
Cal Cal A
calibration the wait symbol is displayed. (The power meter
automatically turns on the POWER REF output.)
Frequency
9. Press
Cal Fac
displayed under the
press
A Cal Fac
factor in a pop up window. Modify this calibration factor (see
below) as desired.
Use or
currently positioned.
Use or
10. To confirm your choice press
11. Connect the power sensor to the signal to be measured.
12. You must set the display to the type of measurement you require.
This can either be a direct channel measurement, a ratio
measurement of both channels, or a difference measurement
between both channels. Use the following key presses:
Meas
Press , Input Select
Setup
the measurement you require, either
then , or
A-B B-A
13. 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 A
• Press Cal .
HP E4419B User's Guide
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softkey. To change this setting press
to modify the digit on which the cursor is
to move to other digits.
% .
to calibrate the power meter. During
. The current setting of the calibration factor is
softkey. To change this setting
A Cal Fac
. The power meter displays the calibration
to modify the digit on which the cursor is
to move to other digits.
.
%
. Select the appropriate softkey for
.
.
Power Meter Operation
, , , , or
A B A/B B/A More
,
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