Pro-2055 and CTCSS

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nyscan

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Two questions (unrelated) regarding the 2055 and CTCSS:

Can you lockout a single tone on a freq. that you have set as CSQ?

While monitoring a channel CSQ in the tone search mode and while receiving a station known to be CSQ the scanner flashed 3 different tones during a single transmission. What could this mean, if anything?
 

Grog

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nyscan said:
While monitoring a channel CSQ in the tone search mode and while receiving a station known to be CSQ the scanner flashed 3 different tones during a single transmission. What could this mean, if anything?


Probably just false signals. My 2055, 97, 92 and a uniden 246 all did the same thing. It only does it on a CSQ signal though, it decodes a true tone just fine.
 

nyscan

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Thanks Grog. That does make it somewhat unreliable for tone searching on a CSQ channel.
Anyone for this part of the question?
nyscan said:
Can you lockout a single tone on a freq. that you have set as CSQ?
 
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pro92b

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nyscan said:
Two questions (unrelated) regarding the 2055 and CTCSS:

Can you lockout a single tone on a freq. that you have set as CSQ?

While monitoring a channel CSQ in the tone search mode and while receiving a station known to be CSQ the scanner flashed 3 different tones during a single transmission. What could this mean, if anything?

My PRO-2096 displays false tones more than the Unidens I have. CTCSS lockout is available only on Uniden scanners.
 

safetyobc

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pro92b said:
My PRO-2096 displays false tones more than the Unidens I have. CTCSS lockout is available only on Uniden scanners.

I agree. My Pro-97 and Pro-2055 both display false tones. They are usually very close to the actual tone but are false.
 

pro92b

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safetyobc said:
I agree. My Pro-97 and Pro-2055 both display false tones. They are usually very close to the actual tone but are false.

By false tones, I mean the radio displays a tone sometimes when there isn't one - the signal is plain carrier squelch type. It seems the radio does not fully filter out voice components and wrongly detects them as CTCSS.
 

safetyobc

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O, well mine will display the wrong tones on some signals when they are weak signals. Whereas the Uniden will not display any tone on a weak signal.
 

Grog

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I will add that my 97/2055 will display the correct tone (if there is one) all of the time. The "false" tones only occur on a signal with CSQ. Mostly it seems to be the various ham repeaters in my area as everyone one else runs a tone of some sort.

I do wish the GREs has a search setting where it would look for both ctcss/dcs, and either or. Sort of like the best of the uniden & gre searches.
 

nyscan

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Al42 said:
Why would you search for tone on a CSQ signal? There isn't any.
I knew someone would ask that. An example: - You are monitoring a channel that has several base stations, some of which are rumored to be using CTCSS but most are CSQ. You want to establish if tones are being used by any of the bases and if so, which ones.
If anyone is from the NY area and monitors NYSP you know what I mean.
 

MB

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nyscan said:
I knew someone would ask that. An example: - You are monitoring a channel that has several base stations, some of which are rumored to be using CTCSS but most are CSQ. You want to establish if tones are being used by any of the bases and if so, which ones.
If anyone is from the NY area and monitors NYSP you know what I mean.

If the base station uses a CTCSS the 2055 or PRO97 will show the correct CTCSS and will not jump around like it would on a signal with CSQ (that is, if the signal is strong enough).
 
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