Learn your radio
F4
VOX sensitivity
How loud your voice must be to trigger VOX, 1–9 (9 is the least sensitive). Only does anything when VOX (F3) is on.
Options: 1–9 · Default: —
F4 VOX sensitivity
f1Tone-call melodyoff / b1–b7def b1f2Power-save modeoff / 01 / 02 / 03def 02f3VOX (hands-free)on / offdef offf4VOX sensitivity1–9def —f5Keypad beepon / offdef offf6Auto power-offoff / 30 / 60 / 120 mindef offf7Transmit time-outoff / 30 / 60 / 90 / 180 / 360 sdef 90 sf8Squelch level0–7def 3f9End-of-call beepon / offdef offf10Dual-Watch channeluser-defineddef on
F3, F4 & F7 are temporary — they reset when you power off or change channel.