Tune in

фразовый глагол [используется в разговорной речи] понимать, схватывать, настраиваться на одну волну

Большой англо-русский словарь

Tune in

verb transitive verb to listen to or view a broadcast of Example: tuned in the weather report intransitive verb 1. to listen to or view a broadcast Example: tune in next week for the conclusion 2. to associate oneself with what is happening or one's surroundings

Merriam-Webster's Collegiate Dictionary