Appendix B 381
Key Definitions
Softkeys displayed by pressing the [Cal] key
B. Key Definitions
Table B-39 User calibration (User Cal) menu
Key operation: [Cal] - USER CAL
Softkey Function GPIB command
CORRECTION on OFF Toggles on and off applying the user calibration to measurements. The user
calibration is done by using a user’s unique calibration kit (OPEN, SHORT,
LOAD) whose values are defined by the user. If you use the calibration kit
attached to the 4294A or its accessories, this user calibration function is not used.
CALST {ON|OFF}
EXECUTE CAL ä Displays Table B-40, “Calibration execution (Execute Cal) menu,” on page 381. (N/A)
DEFINE VALUE ä Displays Table B-38, “Calibration data definition (Define Value) menu,” on page
380.
(N/A)
return Returns to Table B-34, “Calibration (Calibration) menu,” on page 378. (N/A)
Table B-40 Calibration execution (Execute Cal) menu
Key operation: [Cal] - USER CAL - EXECUTE CAL
Softkey Function GPIB command
OPEN [ ] Executes the measurement of the OPEN data. The content of [ ] is - before the
data acquisition and changes to DONE after the data acquisition.
CALA
SHORT [ ] Executes the measurement of the SHORT data. The content of [ ] is - before the
data acquisition and changes to DONE after the data acquisition.
CALB
LOAD [ ] Executes the measurement of the LOAD data. The content of [ ] is - before the
data acquisition and changes to DONE after the data acquisition.
CALC
done Calculates the error coefficient and stores it based on the three kinds of acquired
calibration data: OPEN, SHORT, and LOAD. Executing this key returns to Table
B-39, “User calibration (User Cal) menu,” on page 381, and the user calibration
function is automatically turned on. (The softkey label changes to
CORRECTION ON off.)
CALDON
cancel Cancels the acquisition of the calibration data and returns to Table B-39, “User
calibration (User Cal) menu,” on page 381.
CALQUI
Table B-41 Calibration data definition for user calibration (Define Value) menu
Key operation: [Cal] - USER CAL - DEFINE VALUE
Softkey Function GPIB command
OPEN CONDUCT (G)
Sets the conductance value (G) of the OPEN standard you use
1
.
DCALOPENG <value>
OPEN CAP (C)
Sets the capacitance value (C) of the OPEN standard you use
1
.
DCALOPENC <value>
SHORT RESIST (R)
Sets the resistance value (R) of the SHORT standard you use
1
.
DCALSHORR <value>
SHORT INDUCT (L)
Sets the inductance value (L) of the SHORT standard you use
1
.
DCALSHORL <value>
LOAD RESIST (R)
Sets the resistance value (R) of the LOAD standard you use
1
.
DCALLOADR <value>
LOAD INDUCT (L)
Sets the inductance value (L) of the LOAD standard you use
1
.
DCALLOADL <value>
return Returns to Table B-39, “User calibration (User Cal) menu,” on page 381 (N/A)
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