BCD436HP: Squelch mystery

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Samos2

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Oct 5, 2015
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I can't get any squelch noise on my Uniden BCD436HP scanner, for some reason.
The scanning works normally, but when I press the Function button and press down on the control knob to bring up the squelch control ... and then rotate the knob all the way in both directions, I get no squelch at all although I can still hear the transmissions.
Is there some other squelch control setting that I am not aware of and Ive inadvertanly turned it off? Im baffled. I thought if you rotated the knob far enough in one direction, you'd always hear squelch.
Many thanks.
 

Samos2

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I'm afraid I have no idea if these are digital channels ... and I dont know how to find out. I just got my scanner and am learning from scratch ... what Im listening to is emergency services in southern Ontario, Canada ... ambulances etc.
 

rbrtklamp2

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I don't know much about Canada sorry look up the system name on in the radio reference db that will let you know if your system is digital or not.

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rbrtklamp2

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No trouble I hope you get better acquainted with your new scanner it really is quite fun once you get the hang of it.

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UPMan

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The only time you would hear squelch noise while scanning is when you are scanning a conventional (non-trunked) set of channels and at least one of the channels does not have a PL/DPL set. Otherwise, audio path control is handled by control signaling. If you want to hear the squelch noise, start a service or custom search.
 

bmfd

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Hi, I had the same question and came across your thread and answers. Thank you. So, when monitoring digital does it matter if squelch is set at 0 or 15?
 

mully95

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Hi, I had the same question and came across your thread and answers. Thank you. So, when monitoring digital does it matter if squelch is set at 0 or 15?
I have found I get better reception if I set squelch low. I monitor conventional and digital with squelch set at 2. However with the squelch set low the scanner works better for digital rather than set high.
 
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Basement Dweller, Huntley IL
No Squelch Noise heard

I have noticed this with all my Digital scanners. UPMan said it. If you have setup the PL/CTSS/DPL sub tones for channels, you won't get any noise even at the 0 squelch setting. If you set those tone settings to Off and sit on one channel, you get noise again.
 
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