Ht1550 and Quick Call

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ht1550radiobuff
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Joined: Sun Dec 28, 2003 8:51 am

Ht1550 and Quick Call

Post by ht1550radiobuff »

Hi.. Couple of questions with Quick Call and the HT1550 that I hope you can help with. The Chiefs in my department (all 4 of them) are soon to be issused these radios. Id like to know if you can setup mutlipe Quick-Calls on one channel (ie alerts for teh Chiefs/General and AEMT tones). Also is there a way to make the radio stay silent until the the radio gets the proper quick call? If so, How do you make the radio go back to this stand-by state after the alarm is over. Thanks for any and all your help in this matter. -Chris
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wx4cbh
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Post by wx4cbh »

Multiple QC alerts on one channel - no, yes, sorta. Remain silent until an alert is received - yes. Auto reset after alert - yes, by selecting the proper parameters in the software, including the timing of some of these functions. Multiple alerts on one channel can only be done by individual alert with group alert. That would mean two alerts, one channel. Each chief could have an individual tone set, then a group tone for all the chiefs, for instance.

You could possibly program the same channel into the zone multiple times to cover the multiple alert combos possible up to a point, then place the channels in scan, but I wouldn't bet the farm on it ever working satisfactorily. Then the question becomes which channel/tone combo do you want to have priority.

There are some other possiblities if you go to MDC signalling that may give you what you want because you can attach groups/messages/alphanumerics to those and have the radio acknowledge the message/call. We're using the MDC to notify/alert units on both a group and an indiviual basis with selectable messages as well as acknowledgements from the called units but this requires someone with MDC knowledge to set up your system. This means your dispatch center will have to have some provision for MDC signalling.
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HumHead
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Post by HumHead »

The available QCII tone formats for the Pro Series are:

A-B
A-B/A-C
A-B/C-B
A-B/Long B
A-B/Long C
A-B/A-C/Long C
A-B/Long B/Long C
A-B/A-C/Long B/Long C
A-B/A-D/C-D
A-B/C-D (requires R2.00 or better firmware)

If you can fit your tone sets within one of those formats, you should be good.
Amateurs train until they can do it right. Professionals train until they cannot do it wrong.
ht1550radiobuff
Posts: 7
Joined: Sun Dec 28, 2003 8:51 am

Post by ht1550radiobuff »

wx4cbh wrote:Multiple QC alerts on one channel - no, yes, sorta. Remain silent until an alert is received - yes. Auto reset after alert - yes, by selecting the proper parameters in the software, including the timing of some of these functions. Multiple alerts on one channel can only be done by individual alert with group alert. That would mean two alerts, one channel. Each chief could have an individual tone set, then a group tone for all the chiefs, for instance.

You could possibly program the same channel into the zone multiple times to cover the multiple alert combos possible up to a point, then place the channels in scan, but I wouldn't bet the farm on it ever working satisfactorily. Then the question becomes which channel/tone combo do you want to have priority.

There are some other possiblities if you go to MDC signalling that may give you what you want because you can attach groups/messages/alphanumerics to those and have the radio acknowledge the message/call. We're using the MDC to notify/alert units on both a group and an indiviual basis with selectable messages as well as acknowledgements from the called units but this requires someone with MDC knowledge to set up your system. This means your dispatch center will have to have some provision for MDC signalling.
I dont see the group call in the CPS... Is this something that much be selected from the radio? or am I missing something here?
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wx4cbh
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Post by wx4cbh »

Humhead's post above lists the combo possibilities, and the last choice on the right side of the / is usually considered the group call. As you can see, ya only get limited sets per channel. One example would be A-B/Long C with the A or B tone different for individual chief calls and the Long C the same for all the chiefs if that would suffice. The A-B/A-C/Long B/Long C might cover what you need to do if I understand what you're after, but you're still limited to only so many combinations, and if all your departments use QC, the QC tone scheme in use for the other departments in the dispatch area may limit your choices in the chiefs' pagers/radios.
A-B could be for the individual chief, A-C for all the chiefs, Long B for a sector call, and Long C for everything in the dispatch area. Again, all this depends on what schemes you already have in place.
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