T2B01:What is the purpose of the reverse function on a VHF/UHF transceiver?
Direct answer summary (2026-2030 NCVEC pool)
The official correct answer for T2B01 is To listen on a repeater’s input frequency.
The key fact is To listen on a repeater’s input frequency. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.