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Old 03-14-2018, 6:46 AM
Join Date: Mar 2018
Posts: 1
Smile Knob cover?

Hey guys I use a Motorola XPR 7550 for work and Iím constantly switching channels on accident by turning the knob either getting in and out of the truck or it rubbing on my jacket. Does anyone know of a cover that goes over the knobs to stop this from happening? Iím pretty sure there isnít anything that is designed for this but maybe someone has had the same issue and came up with a good fix. Thanks in advance.
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Old 03-14-2018, 4:12 PM
  Amateur Radio Operator
Amateur Radio
Join Date: Oct 2017
Posts: 372

Not anything by Motorola I am afraid. I know that Vertex (or maybe it was Kenwood) has a part that you can put under a knob and it will lock on that channel. But if you wanted to change channels you would have to remove it constantly. I would suggest getting a speaker mic that has the channel selector on the speaker mic to prevent accidental changes.
Motorola XPR6550, HT1250, CDM1550LS+, XTS5000, CP200, CP150, CP200d, XPR7550e, 2 MCS2000, 2 I355, HT750, SL300
Kenwood TK880
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Old 03-14-2018, 4:58 PM
mmckenna's Avatar
Join Date: Jul 2005
Location: WTVLCA01DS0
Posts: 9,454

I've never programmed the XPR radios, but I'd be surprised if they didn't have some sort of key lock option. I know all the Kenwoods I program do.

We added that to all our radios many years ago, and it's been a welcome feature for this exact reason.
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Old 03-14-2018, 9:24 PM
cmdrwill's Avatar
Join Date: Mar 2005
Location: So Cali
Posts: 2,987

If you can get the knob off the channel selector. Put an O ring on the shaft to provide some friction from the case/panel to the knob.
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