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Motorola XPR 7550 Can the Channel selector knob be turned off?

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dscott69

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Jun 30, 2017
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So our department got all new digital radios and we are finding that our kevlar vests are hitting the channel selector knob on the Motorola XPR 7550. So we are constantly having to change them back to our main channel. We have been told there is no way to disable this feature. Please for the love of all that is holy tell me this is incorrect. I know many police officers who would be much happier without this feature.
 
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You can change it to be a Zone knob but other than that there is no disabling of the knob. Lock may lock it on the radio but it's been awhile since I've messed with a 7550.

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bk117

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Dec 30, 2002
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Location
Philadelphia
You can change it to be a Zone knob but other than that there is no disabling of the knob. Lock may lock it on the radio but it's been awhile since I've messed with a 7550.

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Unfortunately Moto turbo radios are not part of Motorola's high tier line and therefore not intended for public safety/law enforcement use. The features that your department will probably desire will be found on the APX series.
 

cmdrwill

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Mar 30, 2005
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3,970
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You could use an old trick, a O ring under the knob to make it harder to turn.

Warning, these XPR radios have cheep crappy controls that break.
 
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So programming the rotary knob as zone select and only having one zone should solve the issue as it's an infinity switch which simply rolls over.


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