3.5 Basic Operations
3-56 ZM2376
Setting spot OPEN correction
To execute the correction with only the current frequency, enable the spot correction.
In the spot correction, compared to the global correction, the measurement time of correction value is
shorter, and no interpolation error occurs. The correction of only DC resistance is not supported.
The spot OPEN correction is set as follows.
_SHIFT_
+ [OPEN] >> OPEN correction menu
When the spot correction is enabled, "SPOT" is displayed.
Correction frequency range
OPEN Correction:OFF SPOT Current setting
0) OFF 1) ON 2) Measure 3) SPOT >NEXT Options
SPOT >> Spot OPEN correction menu
SPOT Correction:OFF Format:Cp-G @OPEN Current setting
0) OFF 1) ON 2) Format 3) Entry Options
OFF Disables the spot correction.
At the correction value measurement, global correction values are measured.
At the DUT measurement, the global correction value is used.
ON Enables the spot correction.
At the correction value measurement, the spot correction value at the current
measurement frequency is measured.
At the DUT measurement, the spot OPEN correction value is used only when the
measurement frequency is same as the spot OPEN correction frequency. Otherwise
the global correction value is used.
Format Displays the format setting menu for spot OPEN correction value.
Entry Displays the spot OPEN correction value input menu.
If a setting is made or the EXIT operation is performed, one-previous menu comes back.
Whether the spot correction is enabled or disabled is common to the OPEN, SHORT, and LOAD
corrections. It can also be set in the spot SHORT correction menu.
If the measurement frequency is changed when the spot correction is enabled, the OPEN, SHORT,
and LOAD corrections are all disabled automatically. When you want to execute the spot correction
with a new frequency, measure the correction value again.
The spot correction is disabled when recalling either the settings or the correction value.
The spot correction will not be disabled in the following cases.
• When both the setting and the correction value are recalled (Press _SHIFT_
+ [RECALL] and
select Both).
• When the frequency is changed during the multi-correction.
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