selecting trim/trunc lengths with dada2

Thanks cherman,these are my data you nead.
Could you tell me how to check the data is good through theses images?
and could you help me take a look at my another post? Also relative DADA2.
Thanks again.

rep-seq-dada2-3.qzv (7.1 MB) stats-dada2-3.qzv (1.2 MB) demux.qzv (288.3 KB)