| Ham College |
| Ham College 127 Technician Exam Questions Part 14 T4B – Operating controls: Frequency Tuning, use of Filters, Squelch function, AGC, Memory Channels, Noise Blanker, Microphone Gain, Receiver Incremental Tuning (RIT), Bandwidth Selection, Digital Transceiver Configuration. https://youtu.be/ZYeY9oNADjY |