2 Features and Functions
62 Keysight U1731C/U1732C/U1733C User’s Guide
The annunciator is shown on the display while the relative mode is active. Press
again to exit the relative mode.
Performing the open/short CAL
The CAL function offsets (corrects) the LCR meter's internal parameters as well as
external connector residues for further measuring. Performing this action will help
you to correct the influence for temporary uses.
There are three types of open/short CAL available:
– OS-Factory: Open/Short CAL is performed during factory calibration mode
(security code protected). It covers all frequencies and all ranges.
– OS-User: Open/Short CAL is performed at every power-on option interval. It
covers all frequencies and all ranges. (see page 26 for the OS-User setup).
– Open/Short CAL for single range and frequency by pressing and holding the
key for more than 1 second.
The corrections for the and are pre-stored in the LCR
meter. They are both calibrated at the terminal ends.
You can set the LCR meter to start up using the or open/
short CAL from the Setup menu (see page 76).
– The relative mode cannot be activated if the display value is .
– Relative mode is only available in manual ranging; therefore, activation while
in autoranging will automatically set the LCR meter to manual ranging.
– The relative mode cannot be activated if the LCR meter is set at auto-ranging
with data hold activated.
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