Editing Sensor Calibration Tables - HP E4419B User Manual

Note

Editing Sensor Calibration Tables

You can edit sensor calibration tables using the "Edit Cal" menu as shown
in Figure 2-5.
To view the sensor calibration tables currently stored in the power meter,
press
displayed as shown in Figure 2-4.
HP E4419B User's Guide
Making Measurements using Sensor Calibration Tables
Frequency
6. Press . The current setting of the frequency is displayed
Cal Fac
under the
A Freq
7. To change this setting press
the frequency in a pop up window. Modify this frequency (see
below) as desired.
Use or
currently positioned.
Use or
8. To confirm your choice press the appropriate frequency unit.
9. Connect the power sensor to the signal to be measured.
10. 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
11. The measurement result is now displayed.
If the measurement frequency does not correspond directly to a
frequency in the sensor calibration table, the power meter
calculates the calibration factor using linear interpolation.
If you enter a frequency outside the frequency range defined in the
sensor calibration table, the power meter uses the highest or
lowest frequency point in the sensor calibration table to set the
calibration factor.
The value of the calibration factors being used by the power meter
to make a measurement is displayed under the
softkeys.
B Cal Fac
System
, ,
Tables Sensor Cal Tables
Inputs
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softkey.
. The power meter displays
A Freq
to modify the digit on which the cursor is
to move to other digits.
. Select the appropriate softkey for
,
A B A/B B/A
.
. The "Sensr Tbls" screen is
Power Meter Operation
, , , or ,
More
or
A Cal Fac
2-23