Anyone know how to filter out that racket? It blares every time and is annoying. I'd hate to do a volume offset because then I wouldn't hear the rest of the transmission.
Thanks.
Thanks.
I've never heard of a radio that will mute or reduce the volume on tones. The only such example would be an alert monitor, which is a type of pager that remains silent until the correct set of tones go off, and then opens up. But I don't think that's what you are looking for.
I don't think anyone has ever expressed a desire to not hear the tones before. I doubt you'll find any radio that will do that.
I know these tones drive my wife up a wall.On Saturdays they test them and it lasts about 3 minutes,Feels like 3 hours to my wife.I got the feeling that we are stuck with them.I wish I had a remote to mute my scanners.
Tom
The purpose of the tones is not to "wake up" the personnel. Correctly programmed pagers, portables and mobiles that can decode QCII will alert upon receiving the correct tones a particular unit is programmed for. Notice that a lot of FF/EMS pagers/portables stay silent most of the time. Only when THEIR unit/squad/whatever is dispatched, then the pagers alert. This way, they don't have to listen to every other stations' calls. The QCII tones are a reliable sort of selective calling. ALL radios/pagers in that particular department are actually "listening" to the same thing you are, but just unmute only after their particular tone sequence has been transmitted.Thanks for all the comments. I'm referring to the tone they send out over the air for a fire/emergency. It's loud and grating. Sometimes the dispatcher lets it play for a long time, > 20 seconds...to wake up the firefighters? lol.
I'm thinking of rigging up some audio filter that filters out certain frequencies..anyone know how to go about doing that? lol.
The purpose of the tones is not to "wake up" the personnel. Correctly programmed pagers, portables and mobiles that can decode QCII will alert upon receiving the correct tones a particular unit is programmed for. Notice that a lot of FF/EMS pagers/portables stay silent most of the time. Only when THEIR unit/squad/whatever is dispatched, then the pagers alert. This way, they don't have to listen to every other stations' calls. The QCII tones are a reliable sort of selective calling. ALL radios/pagers in that particular department are actually "listening" to the same thing you are, but just unmute only after their particular tone sequence has been transmitted.
The looong tones you hear are either multiple station/unit dispatches, or periodic tests to ensure that all is working. The dispatcher doesn't "let it play". The dispatcher enters the units to be dispatched, then the terminal then rolls out the tones to "unlock" or unmute the corresponding receivers.
So, if you want to hear all the calls sent over the dispatch channel, then you have to listen to the tones sent out. Otherwise, you can use FTO with all used tones, or you can purchase a pager, and provided you know the correct tones, have it programmed for the stations/units you only with to monitor. The concept is exactly the same as if any personnel place their pager/radio in "monitor" mode. They too will hear all the tones and all the traffic broadcast over the dispatch channel that you hear.
Some Agencies (now) use PL/DPL on the Voice and No Tone for the Pectrons, maybe add PL ??
Back when dinosaurs roamed the earth, it was common practice to "strip" any PL while the tones are being sent. There are actually still a few places around me that do that. So, if you have tone code decode all you'd hear is the announcment and no tone. However most send the tone with PL nowadays. But, worth a check anyways in your location.