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In CH mode, although frequency and settings can still be changed freely,
it's temporary. In other words, the changed settings would be overridden next
time using the same channel unless changes are saved prior to that. What's
more, there will not be any segment while adjusting frequency temporarily in
CH mode. In CH mode, frequency and corresponding settings can be pushed
to VFO.
3.2.3 Peak List
P, short for peak list, is not the peak list in the receiver, but the peak list
saved in the spectrum mode. Refer to 3.1.6.4.
3.2.4 Auto Gain Control
The receiver is capable of auto gain control for both RF and audio. For
disambiguation, we hereby define ALC, auto level control, for RF. And define
AGC for audio. In essence, both these auto gains are implemented by
analyzing the RF/IF signal strength and adjusting the gain automatically.
The front end of the receiver comes with a 30dB variable attenuator,
whose stepping is 10dB, and a 40dB variable amplifier stepping 20dB. IF
comes with a 30dB adjustable amplifier stepping 10dB.
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