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MDC7500 console alert tone

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matt131

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Does anyone know the HZ tone for the MDC7500 console. I am trying to figure out the typical single alert tone that console uses.
 

trumpetman

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I think you mean MCC7500. If so:

Alert 1 = Steady 1,000 Hz

Alert 2 = Alternating 1,500 Hz and 900 Hz

Alert 3 = 1,000 Hz on and off
 

matt131

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Thank you so much for information. is there anyway to program a minitor vi to alert to each of these alert settings?
 

SteveC0625

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Thank you so much for information. is there anyway to program a minitor vi to alert to each of these alert settings?
NO!

These tones are audible only for users on the street to get their attention. Dispatch sends out these tones to to alert people to listen up. They are NOT for activating pagers.

If someone at dispatch is trying to tell you that these are pager tones, they are WRONG, WRONG, WRONG.
 

N0BDW

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are you by chance talking like weather alert tones?? like emergency alert system tones? you struck a curiousity cord with myself now haha

Little different. You can read more about the weather alert tones here:

* https://en.wikipedia.org/wiki/Specific_Area_Message_Encoding

The tones the OP is talking about are typically used on public safety channels as an audible alert to responders. Our dispatchers use them to advise when assignments are changing channels, when there is a bulletin/announcement for the whole system (vs individual agencies), etc.
 

sfd119

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NO!

These tones are audible only for users on the street to get their attention. Dispatch sends out these tones to to alert people to listen up. They are NOT for activating pagers.

If someone at dispatch is trying to tell you that these are pager tones, they are WRONG, WRONG, WRONG.


I don't think he's trying to use it as a pager tone, rather, he wants his pager to alert when it hears these attention tones. Perhaps, a buff, that knows when those alerts go out it's usually for the "good stuff" on the radio and not mundane traffic stops.
 

N0BDW

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I don't think he's trying to use it as a pager tone, rather, he wants his pager to alert when it hears these attention tones. Perhaps, a buff, that knows when those alerts go out it's usually for the "good stuff" on the radio and not mundane traffic stops.

I'm not sure I understand the difference. Not a pager tone but wants it to alert? Pager tones are how you make pagers alert.

Sorry if I'm just not following.
 

SteveC0625

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I don't think he's trying to use it as a pager tone, rather, he wants his pager to alert when it hears these attention tones. Perhaps, a buff, that knows when those alerts go out it's usually for the "good stuff" on the radio and not mundane traffic stops.
Either way, it does not matter.

The unsolvable problem is that console alert tones are totally dependent on how long the dispatcher chooses to leave his (or her) finger on the button. That basically disqualifies the tone as a possible way to trip the pager.

When I dispatched law enforcement, we used a couple of short beeps just to get the street's attention for minor announcements. A long press on the tone button was a way of clearing the air and letting the street know that a critical message would follow.

When we did fire and ems dispatch, the console alert tone followed regular paging tones, but was just a "heads up" thing with no fixed timing.

Any way you look at it, no fixed tone duration means it won't reliably trip a pager.
 

sfd119

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Either way, it does not matter.

The unsolvable problem is that console alert tones are totally dependent on how long the dispatcher chooses to leave his (or her) finger on the button. That basically disqualifies the tone as a possible way to trip the pager.

I understand and I know it probably won't work. But I think that's the line of thinking OP was going along with.
 
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