Tektronix AWG2021 User Manual page 379

LOAD/SAVE Menu
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NOTE. As with other files on the instrument, the Rename, Delete, Delete All,
Lock and other operations can be performed for these files, and they are also
subject to the Load All and Auto Load operations in the LOAD menu.
If unexpected file formats or file contents are encountered when loading .ISF,
.WVN, .WFB, .WFM, .WAV, .WDT or .EQA files, an error usually results and
"Invalid file format" or a similar message is displayed.
AWG2021 User Manual