My ctf .ds has no .pos file, how to get it?

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1

Dear Brainstorm,

There is no .pos file for the CTF MEG data I get from the scanner. How can I get it? This is my CTF file list:

1652696395654
1652696395654662×920 99.4 KB

Many thanks for your help!
Li

2

The .pos file in the tutorial dataset was obtained with a Fastrak device driven by Brainstorm:

3

Thanks for your answer!