Similar to other Uniden scanners it is usually accurate to a Hz. or 2. Usually in this case close is usually close enough.
I created a chart (
www.carmachicago.com/Newsletters/FTOList.pdf) that is helpful in determining the actual tones with color coding. As agencies usually stay within the groups one can determine the probable actual tones used. These days though they can easily select any tones they want, even ones that were not historically offered, as new pagers and encoders are programmable to the fraction of a Hz. and are more accurate in tone delivery than the older mechanical devices used.
Thanks, Rich.
I am running this now and I have it connected to ProScan to log the activity.
It is interesting, to me anyway, that the Hit Counter functions in this mode. I wonder how many Hertz difference it takes to considered a different hit? However, the Uniden, or ProScan, might actually be temporarily saving the data and comparing. I seem to recall looking at my log from an older Uniden scanner in Fire Tone Out Search mode and seeing tone outs for the same station and same department and the frequencies were a couple of Hertz off and there was no Hit Counter.
Also, has anybody here noticed any falsing in this mode at all? A couple of times I have seen it display a single Tone A and I never did here the communications center actually tone anybody out.
Also, I do recall that 800 Hz frequency is an alert tone. I think my local comm center uses that and either they, or another nearby comm center uses 800 Hz for fire and 800/1500 for medicals.
Fire Tone-Out Search Logging
Tone-Out 0 151.295000 837.8 0.0 3 00:00:11 03/08/19 19:23:08 03/08/19 19:23:28
Tone-Out 0 151.295000 800.0 799.8 1 00:00:04 03/08/19 18:50:04 03/08/19 18:50:08
Tone-Out 0 151.295000 2251.1 2866.0 2 00:00:03 03/08/19 18:21:54 03/08/19 18:22:02
Tone-Out 0 151.295000 800.0 800.0 1 00:00:04 03/08/19 18:19:59 03/08/19 18:20:03
Tone-Out 0 151.295000 0.0 452.7 1 00:00:00 03/08/19 18:18:22 03/08/19 18:18:22
Tone-Out 0 151.295000 2857.8 2843.5 4 00:00:09 03/08/19 18:13:19 03/08/19 18:13:45
Tone-Out 0 151.295000 643.8 384.0 1 00:00:00 03/08/19 18:03:20 03/08/19 18:03:21
Tone-Out 0 151.295000 1100.6 2870.7 1 00:00:00 03/08/19 18:00:35 03/08/19 18:00:35
Tone-Out 0 151.295000 690.0 2987.7 1 00:00:00 03/08/19 17:58:38 03/08/19 17:58:38
Tone-Out 0 151.295000 0.0 479.5 3 00:00:13 03/08/19 17:52:45 03/08/19 17:53:03