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Appendix

B: Common commands Model 2450 Interactive SourceMeter® Instrument

Reference Manual

B-10 2450-901-01 Rev. B/September 2013

*TST?

This command is accepted and returns 0.

Type Affected by Where saved Default value

Query only

Usage

*TST?

Also see

None

*WAI

This command postpones the execution of subsequent commands until all previous overlapped commands are

finished.

Type Affected by Where saved Default value

Command only

Not applicable

Usage

*WAI

Details

There are two types of device commands:

• Overlapped commands: Commands that allow the execution of subsequent commands while

instrument operations of the overlapped command are still in progress.

• Sequential commands: Commands whose operations must finish before the next command is

executed.

The *WAI command suspends the execution of commands until the instrument operations of all previous

overlapped commands are finished. The *WAI command is not needed for sequential commands.

Also see

waitcomplete() (on page 8-252)

Keithley 2450 User Manual

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