8 Using N8480 Series Power Sensors
204 N1911A/1912A P-Series Power Meters User’s Guide
Procedure
1 Ensure the power sensor is disconnected from any signal source.
2 Refer to the connection requirements in Table 8- 15 and ensure the
sensor is ready for connection to the Power Reference.
3 Check the current reference calibration factor setting by pressing
, . The value is displayed under the channel
softkey.
Does this setting match the value for the sensor? (The power sensor
reference calibration factor can normally be found above the calibration
factors table on the power sensor body.)
4 To change the settings, press the channel . The reference
calibration factor pop up window is displayed as shown in
Figure 8- 138. Use the numeric keypad to enter the required value in
the Ref Cal Factor pop- up menu.
Figure 8-138Reference calibration factor pop-up window
5 Press
to complete the entry.
Now zero and calibrate the power meter/sensor combination as follows:
6 Press and the channel softkey. The Zeroing pop- up is
displayed.
7 Connect the power sensor to the POWER REF output.
8 Press and the channel softkey to start the calibration
routine. The Calibrating pop- up is then displayed.
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