T4B Operating controls: frequency tuning, use of filters, squelch function, AGC, memory channels, noise blanker, microphone gain, receiver incremental tuning (RIT), bandwidth selection, scanning function; Digital transceiver configuration; DMR code plugs and talk groups

Pool questions

11

Expected on an exam

1

Lessons

1

Part of subelement T4 — AMATEUR RADIO PRACTICES, which contributes 2 questions to every exam across 2 groups.

Lessons covering this

• Using the Controls9 min

  Set squelch, microphone gain, and filter bandwidth deliberately, and recognise what each control's misadjustment sounds like on the air.

Question ids

T4B01 · T4B02 · T4B03 · T4B04 · T4B05 · T4B06 · T4B07 · T4B08 · T4B09 · T4B10 · T4B11

Drill this group

Other groups in T4

• T4A
• T4B