E2E12:How do ALE stations establish contact?

Direct answer summary (2024-2028 NCVEC pool)

The official correct answer for E2E12 is ALE constantly scans a list of frequencies, activating the radio when the designated call sign is received.

Use this action or method: ALE constantly scans a list of frequencies, activating the radio when the designated call sign is received. It is the choice that directly completes the job described in the question.