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DTR 550 Programming

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wdatkinson

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Apr 28, 2008
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Noblesville, IN
I have two DTR 550 radios that were picked up of off ebay. These are the fixed antenna version. They work great. One of them has the name "Josh" on the screen, and the other has a number displayed. Since no one using the radios is named Josh, I decided to invest in a programming cable, since the CPS for the DTR's is free.

The cable arrived today and I hooked it up, and installed the CPS. When I try and read either radio, I get an error message stating the firmware is not compatible with CPS.

Obviously these were programmed at some point. I doubt the ship with Josh on the main screen. I've STF'd here, and googled for DTR550 programming, firmware, etc., but I can't find any information beyond sites that sell DTR accessories. Do I need an earlier version of CPS? 1.0, perhaps? I have 2.0. Can I do a firmware upgrade?
 

wkredick

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Joined
Apr 6, 2006
Messages
137
Location
Waterford,New York,USA
Maybe it is one of the early model before CPS came out for them. There is a little attachable keyboard they may solve your problems.
I have CPS DTRs mixed with non CPS models and they work fine together.
 

michaelsmale

Newbie
Joined
Apr 22, 2011
Messages
1
Motorola DTR550

I have two DTR 550 radios that were picked up of off ebay. These are the fixed antenna version. They work great. One of them has the name "Josh" on the screen, and the other has a number displayed. Since no one using the radios is named Josh, I decided to invest in a programming cable, since the CPS for the DTR's is free.

The cable arrived today and I hooked it up, and installed the CPS. When I try and read either radio, I get an error message stating the firmware is not compatible with CPS.

Obviously these were programmed at some point. I doubt the ship with Josh on the main screen. I've STF'd here, and googled for DTR550 programming, firmware, etc., but I can't find any information beyond sites that sell DTR accessories. Do I need an earlier version of CPS? 1.0, perhaps? I have 2.0. Can I do a firmware upgrade?
The CPS is only free for the DTR410, not the DTR550 & DTR650. The CPS for the DTR550 & DTR650 costs alot of money. There is also another option, you can buy a mini keyboard attachment and program it that way which is what I recommend
 
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