Chapter 6 153
Calibration
Fixture Compensation
6. Calibration
Turning the fixture compensation on or off
The fixture compensation function is automatically turned on after completing each
compensation data measurement. However, you can turn the function on or off as required.
Step 1. Press the
[Cal] key to display the Calibration Menu.
Step 2. Press the
FIXTURE COMPEN key to bring up the Fixture Compensation Menu.
Step 3. Press the
OPEN on OFF (OPEN ON off) key, SHORT on OFF (SHORT ON off) key, and
LOAD on OFF (LOAD ON off) key to make each fixture compensation valid (on) or
invalid (off) for measurement (pressing these keys toggles your selections).
Defining the standard values for fixture compensation
You can define standard values of OPEN, SHORT, and LOAD for fixture compensation.
Figure 6-9 shows the circuit models of the fixture compensation kit used for the Agilent
4294A.
Figure 6-9 Circuit Models of Fixture Compensation Kit
Each compensation standard value can be confirmed and changed as follows:
Step 1. Press the
[Cal] key to display the Calibration Menu.
Step 2. Press the
FIXTURE COMPEN key to display the Fixture Compensation Menu.
Step 3. Press the
DEFINE VALUE key to display the Compensation Data Definition Menu.
Softkey Label Fixture OPEN Compensation
OPEN on OFF Off
OPEN ON off On
Softkey Label Fixture SHORT Compensation
SHORT on OFF Off
SHORT ON off On
Softkey Label Fixture LOAD Compensation
LOAD on OFF Off
LOAD ON off On
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