问题：
What does option DAT do on a WFM series instrument?
答案：
It adds a color-coded bitstream display which allows you to look at the actual SDI stream data in binary, decimal or hexadecimal format with errors highlighted in red. It also adds an ancillary data display which allows you to select ancillary data IDs and SDIDs and view all the ancillary data flagged with those IDs. Please see screenshots below:
Figure 1: Datalist Mode
Figure 2: Ancillary Data Mode
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常见问题 ID 62181
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