Interactive SourceMeter® Instrument Reference Manual Section 2:
2450-901-01 Rev. B/September 2013 2-109
Setting autozero
You can enable or disable automatic referencing, or request a one-time refresh of the reference
values.
The reference setting is stored with the measure function.
To set autozero using the front panel:
1. Press the FUNCTION key.
2. Select the source and measurement combination.
3. Press the MENU key.
4. Under Measure, select Settings.
5. Next to Auto Zero, select On or Off.
6. If Off is selected, you can select the Once Now option to send a one-time refresh. When you
select Once Now, Auto Zero is enabled after the refresh.
7. Select HOME to return to the operating display.
To set autozero using SCPI commands:
To turn autozero on, send the command:
:SENSe:VOLTage:AZERo ON
To turn autozero off, send the command:
:SENSe:VOLTage:AZERo OFF
To set autozero on or off for current measurements, replace VOLTage with CURRent. To set it for
resistance measurements, replace it with RESistance.
To perform a one-time autozero update, send the command:
:SENSe:AZERo:ONCE
To set autozero using TSP commands:
To turn autozero on, select the measurement type, then send the command:
smu.measure.autozero.enable = smu.ON
To turn autozero off, select the measurement type, then send the command:
smu.measure.autozero.enable = smu.OFF
To perform a one-time autozero update, select the measurement type, and then send the command:
smu.measure.autozero.once()
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