Minitor activating on other tones

[luky2122]

Please help, I have a minitor 3 and I have programed it to my specific two tone frequency, the problem is that another house has a similar group call and when they are toned out my pager goes hay wire.. I don't know if it's because the tones are to close to each other? or my maybe their is something I could change on the settings of my pager to only go off on my tones?

My tones

A- 1122.5 B- 339.6

Other house

A- 339.9 B-339.9

do you see how it's the frequency is very close to each other... can I adjust my pager to only pick up mine? Thank you...

 

[NCFire11]

If its a two tone frequency why are both tones the same?

 

[brian209]

Please help, I have a minitor 3 and I have programed it to my specific two tone frequency, the problem is that another house has a similar group call and when they are toned out my pager goes hay wire..

luky,

I suspect that your pager is set up to activate both on a two-tone 1122 / 339 and also a long tone 339 which makes your pager activate on the other station's page.

If you have the ability to read the pager do that and make sure that you only have the two-tone activation programmed. 339.6 and 339.9 are close enough that the minitor III is probably going to activate on either tone, but if the 1122 does not precede the 339 tone your pager should stay closed.

Brian

 

[luky2122]

yes I do have the ability to read the pager, and I have only selected the two tone option, not the long tone.. but I will take a closer look. I wonder if the fact that the tone is so close to each other that it is bleeding over... and to answere the two tone question, that station is activated as a long tone...

 

[NCFire11]

339.6 and 339.9 are easily close enough to each other to alert on each other. I actually tested my pager by sending tones 1 hz above it until it would not activate. It kept activating until i got to 7hz above the programmed frequency.

But still, if a and b are both 339.9, its not a a two tone frequency.

 

[luky2122]

Correct it would be a group call... I understand this, but their is nothing I can do about it...

Here is the back ground on it, our departments radio management is not the highest understood in the world.. it has been a sistem that was put in place years ago, and now we are left of what seems to be an understood system that we have to deal with until it is properly fixed.

When you mentioned that you tested your pager by sending tones 1hz and above, what exactly do you mean? can I change this on ours? I have the software for programing the minitors 3 & 4's.... and have access to the engineer loggin. Now, how can I change this?

What I did today was change the option for the pager to activate on the group call, I took it off, and change the squelch to 5. Hopefully this will change the problem. Remeber that the pager does not go off when the other station is alerted, it just opens the pager for a second before it resets itself..


Thank you for your help and time..

 

[NCFire11]

Ok my tones were 384.6 and 977.2.

I took my encoder and started sending tones 1 hz up with every dispatch until it stopped activating..

So i went 384.6/977, 384.6/978, 384.6/979, 384.6/980, 384.6/981, 384.6/982, 384.6/983 and it wouldnt activate on 984

 

[ramal121]

Two tones of the same freq were used to alert older Plectrons using a single tone, when QCII was the only available encode format.

For giggles, you may want to try A-B, long A since the 1122.5 doesn't seem to be the problem freq.