T4B - Amateur radio practices and station set up
Technician Class
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
12 questions | Updated: Dec 9, 2025
What is the effect of excessive microphone gain on SSB transmissions?
Which of the following can be used to enter a transceiver’s operating frequency?
How is squelch adjusted so that a weak FM signal can be heard?
What is a way to enable quick access to a favorite frequency or channel on your transceiver?
What does the scanning function of an FM transceiver do?
Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?
What does a DMR “code plug” contain?
What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?
How is a specific group of stations selected on a digital voice transceiver?
Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?
Which of the following must be programmed into a D-STAR digital transceiver before transmitting?
What is the result of tuning an FM receiver above or below a signal’s frequency?