Batboard

RKG

The full-size Quantar maintenance manual has a whole chapter on this subject. In general (and from memory), you have to make some electrical connections and you need to do some wildcard programming to set up the required audio paths at start up. (Don't forget to specify both cold and warm starts.)

RKG

One learns something every day.

RKG

Both radios have the rotary control set to channel select. Then, without seeing the radios, I'm without an explanation. As stated, the reported behavior is different from everything I've ever seen with these radios, and I manage a couple of large fleets of them. But, then, this is Motorola land, th...

RKG

Using the rotery knob does work. We have several other 2500's that are 12.00.17 and we can use the up/down buttons to go threw the zone. My guess is that the radios you refer to are not programmed for "Channel Select" for the "Rotary Knob" in the "Controls" page. The b...

RKG

KB9KST wrote:The 20 mins is a lie, trust me. Time to retry the upgrade.

Jason

Agreed.

Each time I do this, it seems like the program stops on the same "block," which (from memory; don't hold me to this) was "block 16." Go for a smoke (or maybe a meal) and it should finish eventually.

RKG

I am having a problem with a couple of XTS 2500's where I can not program the scan list on the radio. I can chose program, scan and then it brings up the ability to scroll left or right threw the zones but I can not go up or down to select inside of the zones. I have CPS software and cable to make ...

RKG

Actually if you leave any channel as RX only it will receive narrow or wideband just fine. It doesn't care what it is. Narrow and wideband only affect TX. Try programming it sometime. Jason Not my experience. Narrowbanding/widbanding affects the deviation limiter on Tx and the IF bandpass width on ...

RKG

That's a function of the duplexer. Usually these are used with mobile-type duplexers of minimal separation.

RKG

Go to "Tree View" and just click on a personality and, while holding the left button down, move the selected personality up or down the list, Windows-style.

RKG

I wouldn't make any license change until you have cutover to your narrowband channel/system. The emission designator is a maximum; emitting narrowband under a wideband license (assuming no other changes) is perfectly OK. I agree with the suggestion that any amendment applications submitted to change...

RKG

A lot of the cps is written with reverse Polish notation. There's plenty of opportunity to do it perfectly wrong. Unfortunately. However, on the bright side, Kenwood and Icom can be just as weird. And Telex. And Premisys. Wait until you get a Huawai fiber optic mux developed with a Chinese characte...

RKG

wavetar wrote:. . . .Of course, the newer Astro 25 models don't use the SRIB and are therefore faster as well.

"Faster" is relative.

RKG

Have you tried to enter the programming mode by selecting Program Lists in the menu and then scan list. My CDM is not allowing me at this time to access it, but my HT1250 does without a problem and I can edit easily by following the steps above. What menus and menu features are available to the use...

RKG

Well, I started to play with this the day I discovered it, but was then distracted into a different project, so I hope I didn't speak too soon. By appearances, however, is should be possible to duplicate the "setup"/"knockdown" function using the "decoders." As soon as ...

RKG

[quote="xmo. . . I will be very surprised if Motorola puts this much field configuration capability into the GTR - at least not for some time to come.[/quote] I'd be inclined to agree, but I was a bit surprised to discover (quite by accident), that you can do the same thing (i.e., OTA DTMF cont...

RKG

There is another way to deal with the notion of a fall back in-cabinet repeat function in a voted system where you have two transmitters (a main and a standby), usually selected by a transmit steering relay controlled by a console Aux I/O--as someone previously noted, you can't use the Quantar's pre...

RKG

Also add a fair measure of patience. The software will warn you that it takes 6 minutes to flash a portable and 20 minutes to flash a mobile. My experience is that it takes longer, particularly with the mobile. Worse, the program appears to hang (on Step 14, as I recall) for what seems an eternity, ...

RKG

For what it may add to this discussion, none of our XTS2500s or 5000s display the reported behavior. In this neck of the woods, "split tones" or "split formats" are common for police and fire channels, and in all cases the direct button picks up the Rx freq, Rx signaling type, an...

RKG

Unlike the XTS2500, the XTL2500 does not as far as I know have the 3600 or 9600 only configuration option (or both if you have the interop flash feature), so that shouldn't matter. It's possible it was a flashport goof-up. Even if you don't have a P25 software or advanced system key hooked up, you ...

RKG

The other way of doing this is to get an XTL5000 "Astro Consolette" with the tone wireline board, and connect it to the 4010 card set for EIA tone control.

RKG

Answer to the question is yes, if the question is can I program a multi-channel Quantar with one or more talk capable channels and one or more RXO channels. Bear in mind you will need some mode of changing channels, which in a Quantar is doable but not simple.

RKG

From memory, the XTS2500 has two separate firmware options for trunking: one for 3600 baud (SmartNet, SmartNet II and SmartZone) and one for 9600 baud (so-called) (Astro trunking). Sounds like you only have the former. Read the radio and, under Radio Information, there is a tab that shows installed ...

RKG

I've never done this, but I have programmed a lot of ADP systems, and I believe you could program your channel three times, each with a different "personality" with each "personality" pointing to a different ADP key.

RKG

You can get a DTMF decoder kit and another radio and wire it up to the push button for that bay door.. That way all they have to do is punch the magic code and a relay closes for 1 second and whala ! Voila - from the French "voi la" (lit. [You] look at this). Not to be confused with viola...

RKG

We are buildong a new fire station and want to run some other speakers in some fo the offices upstairs from the radio room. We want some white flat speakers to mount in a wall with volume controls and we are not using a 70 volt pa system just speakers with their own volume control. Any help is grea...

RKG

There are umpteen ways to do this, but if your subscriber equipment is capable of being programmed to send DTMF strings, the easiest (and one of the least expensive) ways of accomplishing your objective is with a DTMF transponder wired to a source of receiver audio. My favorite is this device: http:...

RKG

Also to keep in mind: if this is for use on a Part 90 channel, you will need a radio that is capable of narrow-banded operation, which excludes a large segment of the legacy model array.

RKG

Your problem is that the MSB (most significant bit) of the 4-bit binary channel selector has gone bad. Your channel selector has decimal values from 1 to 16 or 1 to 12. However, the radio processes binary values, so that, for instance, Ch 1 is 0000, ch. 2 is 0001, ch. 3 is 0010 and so forth. (Rememb...

RKG

I agree with Jim202 and add this: take a look at the programming for the ICOM mobile and see if AGC can be defeated. A telltale of an AGC problem is if the errant noise is suppressed by voice but then ramps up during non-voice times.

RKG

Scan has to be enabled. Depending on the radio model, it is enabled on a per radio basis or a per zone basis. Some Spectras are zonable, some are not. Go to "radio information" (F2, from memory) and it should tell you. If your radio is zonable, you have to enable the zone function and crea...

RKG

Yeah it doesn't need hardware. All the crypto is done in the host firmware/processor. You get what you pay for though - it's not as secure as hardware encryption. Any idea how good it sounds secure as compared to open? Wondering as it's software based that it might sound a little better rather than...

RKG

Take a look at the "channel picklist" function. You can export lines from the zone/channel screen from one radio to a picklist, and then import them from the picklist to the second radio. You'll still have to program "conventional personalities" and then adjust them, and the feat...

RKG

No. A Quantar that is Astro-capable will pass the digital voice bits "as is." ADP hashes the bits in the transmitting subscriber and then un-hashes them in the receiving subscriber.

RKG

Slightly off the topic, but: The only problem with the FBICR ("Fall-Back In-Cabinet Repeat") function of the Quantar is that it doesn't work if you have both a Main and a Stand-By station, as is commonly the case in public safety systems. So what we do is program the stations for "Rep...

RKG

I seem to recall that the DOS RSS for Quantar had an F key that would regenerate the "default" wildcard tables. I don't have the Windows CPS on this machine, so I can't peek to see if that function was brought forward. Note that if you are keying from a wireline, you are probably also inte...

RKG

Just to put this in context, the "buttons" on an XTL O-5 control head are not "buttons" as that term is typically used in Motorola RSS or CPS, but rather "soft keys" that access menu items.

RKG

In Massachusetts, most of the fire departments on Cape Cod switched from low band to the State's 800 trunked system, on a subscription basis. However, many retained their old systems, some just for pages and some for both pages and voice, with everything just simulcast on both the low band and the t...

RKG

Though it seems that the OP's question has been answered already, it is worth noting that QCII *is* used on trunking systems for fire station alerting in some cases. In these cases the tones are generated by some device tied to the transmitting radio (e.g., a console), and decoded by a separate box...

RKG

Or so you can use third-party MDC decoder, with alias, such as the C Plus III by Cimarron.

RKG

Or an impedence mismatch.

RKG

The function of QC tones is to enable the sending radio to control some function on the receiving radio(s). The means of encoding the command is the frequency and timing of the tones. For a trunked system, there is no need of tones. Assuming the same control function is authorized and programmed in ...

RKG

I don't know anything about the Carlson unit. All of our receivers, save one on each channel, are returned over owned fiber optics (using TC Comms fiber muxes); the "one" is co-located and returns on a short length of dry copper. One limitation of fiber is that one has to be careful of ove...

RKG

This is all opinion here, but every JPS voter I've ever heard sounds just awful... If I can recommend one thing, it would be to listen to what systems sound like on a DIGITAC and on a JPS. The JPS Voter requires level setting to be done carefully and by the JPS book. The book method is different fr...

RKG

1) I've never had to repair a JPS Voter. On the one hand, that's good news. On the other hand, that means I have no experience re: parts availability, factory response, or like issues. 2) Interesting you should mention sparing the comparator. A) To my knowledge, no one else does it. B) When we repla...

RKG

I second the motion with respect to the JPS Voter. It is an extraordinary device that, once you have learned it, performs quite nicely. We are in the process of converting all the legacy SpectraTacs to JPS Voters. Two caveats: One: the JPS Voter has umpteen features for applications you'll never use...

RKG

Glad it worked out.

My guess is that there are two possibilities: with a SQM schematic and a meter and 45 minutes of time, you could find and repair what is wrong with that SQM -- or you could spend a lifetime and never find it. So stop after 45 minutes.

RKG

Some additional thoughts on tone selection: 1) Obviously, you have to know what tones are used by any co-channel licensees and avoid them. 2) Some folks avoid 3Z (123.0), on the theory that noisy AC-powered devices might cause falsing. I've never observed that phenomenon. 3) Definitely avoid 3B (131...

RKG

My take on this is a tad different, though any long range diagnosis is an exercise in speculation. A clue lies in the report that, when the problem occurs, one or more SQMs show unsquelched, but the Quantar goes into FBIC mode. The entrance condition for FBIC is that the Quantar's local receiver uns...

RKG

Lotus54 wrote:
RFguy wrote:Have you set up the console RX level for the proper "knee of compression" level?

Yes, but I'll double check that to make sure it is still correct with the change-over.

thanks
mark

Also take a look at the VOX level on the Zetron channel card.

RKG

1) You should get by with 7 inputs, since you'll use the bus fail indication (any receiver) and have someone go downstairs to see what the problem is. 2) On the other hand, so long as you're going to all this effort, I'd put in a "disable" output for each receiver. Makes diagnosing a probl...

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