:CALibrate Subsystem

Instrument:
DCA-X
DCA-M
UXR Scope
Meas. mode:
Scope
Eye
Jitter
TDR
Flex Apps:
FlexDCA
FlexRT

Use the :CALibrate subsystem to perform calibrations or confirm calibration status for DCA-X mainframes, DCA-X modules, and DCA-M extended modules. These commands do not apply to using FlexDCA offline. This subsystem corresponds to FlexDCA's Calibrations dialog.

Click on the tabs in this picture to learn about the different calibrations.

Available Calibrations
Type of Calibration Cal Dialog Tab :CALibrate Subsystem SCPI Node
Module Vertical (input channel) Module # :CALibrate:SLOT:VERTical
Module Clock Recovery :CALibrate:SLOT:CRECovery
Module Precision Timebase :CALibrate:SLOT:PTIMebase
TDR Step :CALibrate:SLOT:STEP
:CALibrate:LRESistance
Dark Level Dark Level :CALibrate:DARK
Optical Input Channel Optical :CALibrate:OPTical
Probe Probe :CALibrate:PROBe
Skew Skew :CALibrate:SKEW:SLOT
Timebase Timebase :CALibrate:FRAMe:PTIMebase
:CALibrate:FRAMe:TIMebase
:CALibrate:FRAMe:TIMebase:USER

Calibration Flow Control Commands

Several FlexDCA/FlexRT calibration commands allow you to control the flow of a running calibration. These commands are equivalent to the Cancel, Continue, and Done? buttons that are displayed in the calibration dialogs:

  • :CALibrate:CANCel,
  • :CALibrate:CONTinue, and
  • :CALibrate:SDONe

Example Command Sequence

The following commands are used for a typical vertical calibration. The :SDONe? query is used to detect when a portion of the calibration has completed. The :CONTinue command is used to dismiss dialogs that are displayed during a calibration. SLOT3 identifies a module that is installed in the right module bay.

The following commands are used for a typical vertical calibration.

:CALibrate:SLOT3:VERTical ENABled
:CALibrate:SLOT3:STARt
:CALibrate:SDONe?
:CALibrate:CONTinue    //  Dismiss the begin notice calibration dialog
:CALibrate:SDONe?
:CALibrate:CONTinue    //  Dismiss the disconnect notice dialog
:CALibrate:SDONe?
:CALibrate:CONTinue    //  Dismiss calibration complete dialog
*OPC?
:CALibrate:SLOT:VERTical:STATus?