PRO-92 Original (no A or B) EDACS Question

jamesa53 · #1 (**permalink**) 10-19-2009, 01:19 PM

When scanning an EDACS system, at the end of each transmission there are five "beeps" (not the scanner-buster beeps described in other threads) which causes a loss of the callback transmission. I know there is a callback because I can hear it on the PRO-96 sitting next to it. I have changed the Delay mode from On to Off, and when it is On have set it to as much as 5 seconds. I am using Win 92 to program the scanner.

I also have a "B" model that performs in the same way, the 5 beeps occur and the callback transmission is missed.

The channels are programmed in LCN order with the first freq. starting in the "1" position.

Wondering if there is a setting that can be changed for this or is this just the way this scanner works - Both versions trunk flawlessly on analog Motorola systems (IN Project SAFE-T).

Thanks,

robbinsj2 · #2 (**permalink**) 10-19-2009, 03:11 PM

Assuming you're getting passable reception, you should only hear the start of the first beep on all versions of the Pro-92. If I recall correctly, per-channel delay settings shouldn't affect scanning EDACS; I think Win92 may have had a separate setting for trunking delay but then I may be thinking of a different Win##.

Through either the keypad or Win92, make sure that not only the bank is set to EDACS but also each of the LCNs. It'll be the same way that you would change it to PL/DPL.

Jim

gmclam · #3 (**permalink**) 10-19-2009, 05:55 PM

This sounds to me like you are missing a frequency. Are you sure that you have all frequencies for the EDACS system programmed? Otherwise one or more of the frequencies are not set to EDACS, or the bank is not set.

jamesa53 · #4 (**permalink**) 10-19-2009, 07:04 PM

Ive attached my Win92 file. This gives me the 5 beeps either on the original or the B model of the 92. The EDACS system is in Bank 0.

Im located about 1.5 miles from the tower, and reception is good.

The system I am monitoring is : Terre Haute Trunking System, Terre Haute, Indiana - Scanner Frequencies

Any help would be appreciated. Thanks.

gmclam · #5 (**permalink**) 10-19-2009, 08:03 PM

Try unlocking channel 010 and see what happens. You should also not mark it as "unused" or have the delay on.

jamesa53 · #6 (**permalink**) 10-26-2009, 02:58 PM

I unlocked Channel 010 and did not mark it as unused. The results did not change.

The exact thing that is happening is that about 730AM, Terre Haute Fire Department does a radio check of all units. This is rapid fire traffic where the dispatcher says, for example, "Engine 7" then Engine 7 responds with "Engine 7". This is repeated for about 15 units. I miss about half the callbacks during this period. It also makes the 5 beeps still at the end of a transmission. Is this the nature of the beast or is there some other setting that I am overlooking?

Chauffeur6 · #7 (**permalink**) 10-26-2009, 03:17 PM

Your file looks fine, all frequencies entered correctly and in the correct order per the RR database, and all analog talkgroups entered correctly as well.

What does strike me as a little odd is the FCC license. If we are to take the license at 100% accuracy (often not the case), then not all frequencies are active on all three sites. It is possible that your Pro-92 is just not receiving a particular site for whatever reason, while your Pro-96 sitting right next to it is. Seems very unlikely, but stranger things have happened. However the behavior you're describing, the beeps with obvious missing transmissions, is an indicator of a missing frequency. Or, perhaps in this case, the scanner not being able to receive a particular frequency because it's on another tower you're not receiving well.

If you haven't done so already, take the Pro-92 out for a drive around the area and see if your results change as you get closer to other tower sites. Also, have you tried scanning the system in Open mode to see if the results are any different?

Site Map: Terre Haute Trunking System, Terre Haute, Indiana

FCC Callsign WPYE521 Details

ULS License - PubSafty/SpecEmer/PubSaftyNtlPlan,806-817/851-862MHz,Trunked License - WPYE521 - TERRE HAUTE, CITY OF - Locations Summary

jamesa53 · #8 (**permalink**) 10-27-2009, 10:26 AM

I live midway between the Home Avenue tower and the Harding Street tower. I should be able to receive both of them equally well. The Nevada Drive tower is furthest away at about 3 miles. Any suggestions based on this?

gmclam · #9 (**permalink**) 10-27-2009, 02:05 PM

It might take some time to do this, but you might try monitoring each channel in MANual mode. Just park the scanner on channel 001 and wait for a transmission. I believe the last line on the display will provide data such as the repeater number. Do this for all 10 channels. This will confirm you are receiving on all of them and that the LCNs are correct.

RoninJoliet · #10 (**permalink**) 10-27-2009, 06:26 PM

The PRO92 on EDACS will only show the LCN on the CTL Channel....So as it rotates each day hopefully you can figure out the LCN...Also if you have a second scanner as they give a communication on one channel if the reply is quick enough you can see the next freqy they answer on....Takes some work...

jamesa53 · #11 (**permalink**) 11-06-2009, 03:10 PM

Here is the modified file I am using. I still get 5 beeps at the end of each transmission and thereby missing callbacks. This happens on my original 92 or on the B model 92.

Havent done the drive-around as I would be breaking the law here in Indiana, can only have mobile scanners if you are an Amateur Operator. I will have to get a friend who is one to go with me.

Ive also verified the EDACS freqs are exactly the same as in my PRO-96, which does not have this problem.

gmclam · #12 (**permalink**) 11-06-2009, 07:17 PM

Quote:

Originally Posted by jamesa53

Here is the modified file I am using. I still get 5 beeps at the end of each transmission and thereby missing callbacks. This happens on my original 92 or on the B model 92.

Havent done the drive-around as I would be breaking the law here in Indiana, can only have mobile scanners if you are an Amateur Operator. I will have to get a friend who is one to go with me.

Ive also verified the EDACS freqs are exactly the same as in my PRO-96, which does not have this problem.

I don't think that programming is your problem. I know that my PRO-92s are not nearly as sensitive in the 800 MHz band as my newer scanners. Therefore I believe that your '96 is better able to pick up the channels than your '92 is, even if connected to the same antenna. I know that is the case for me.

You don't need to drive around your auto and drive the scanner at the same time. Go out near a site and park. Then see what the scanners do. Have you tried monitoring each frequency in MAN mode at home? What did you get? Do all of the channels have good quieting?

jamesa53 · #13 (**permalink**) 11-11-2009, 03:10 PM

Update: After opening the squelch further on the B model, the 5 beeps are cut down to two. I always thought that for trunking you were supposed to set the squelch about 1/2 way from min to max. The squelch adjustment has no effect on the 5 beeps on the plain 92. Note I also turned the attenuator on on all the EDACS frequencies on the plain model, with the same result, 5 beeps. Maybe it is just the nature of the radio.

fmon · #14 (**permalink**) 11-11-2009, 03:21 PM

Quote:

Originally Posted by jamesa53

Update: After opening the squelch further on the B model, the 5 beeps are cut down to two. I always thought that for trunking you were supposed to set the squelch about 1/2 way from min to max. The squelch adjustment has no effect on the 5 beeps on the plain 92. Note I also turned the attenuator on on all the EDACS frequencies on the plain model, with the same result, 5 beeps. Maybe it is just the nature of the radio.

INot around here, all three versions produce 1 beep on an EDACS Standard.