any sensor calibration tables are currently selected. The "Sensor Tbls"
screen is displayed as shown in Figure 2-1.
Figure 2-1: "Sensor Tbls" Screen
Making the Measurement
To make the power measurement, you zero and calibrate the power meter,
then set it for the frequency of the signal you want to measure. The power
meter automatically selects the calibration factor from the sensor
calibration table.
Zero
1. Press
.
Cal
2. Press
. During zeroing, which takes approximately 10
Zero
seconds, the wait symbol is displayed.
3. The setting of the reference calibration factor is obtained from the
sensor calibration table and displayed under the
4. Connect the power sensor to the POWER REF output.
5. 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
6. Press
Cal Fac
under the
Freq
7. To change this setting press
frequency in a pop up window. Modify this frequency (see below)
as desired.
Use
or
currently positioned.
Use
or
HP EPM-441A User's Guide
Making Measurements using Sensor Calibration Tables
. The current setting of the frequency is displayed
softkey.
. The power meter displays the
Freq
to modify the digit on which the cursor is
to move to other digits.
Power Meter Operation
softkey.
Ref CF
2-13