Unless you do some thing to add CH, you don't need to check it: it won't change unless water is removed from the pool.

Until your TA is in a more normal range, you might want to check it every couple of weeks.

CYA, again, won't change unless you do something to change it. So if you drain a lot of water, backwash a lot, or are using stabilized chlorine, you might need to test it occasionally.

pH & chlorine? Check it with the K2006 every few days; use a cheapo OTO / phenol red kit to check it daily.

With more experience, you can extend your test intervals.