: Can you explain the proper operation of the ASQ option on the 447HPC2? If ASQ is active, does the squelch control need to be adjusted, and if not, at what signal level does it open?

On the SR-447HPC2, if the ASQ option is activated and you'd like to turn it on, rotate the squelch control all the way to the left. To turn the ASQ off and switch to manual squelch operation, turn the control slightly to the right. You will then hear background noise and turning the control further to the right will activate the manual squelch.

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