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XPR6550 - remote speaker microphone

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scterran

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Dec 10, 2010
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I've tried the PMMN4025 and PMMN4050 remote speaker microphones. When transmitting, the individuals listening state that I am clear and understandable. However, some individuals are annoyed and stated that it sounds like my voice is muffled a bit and/or sounds like I'm in a tunnel. Anyone else having this type of problem? If so, did you discover a way to correct this and/or did you find another remote speaker microphone that works for you? Any programming software suggestions to correct this? BTW, I'm transmitting on an analog UHF channel.
 

thassler

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Sep 29, 2011
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Tennessee
We are VHF using the public safety mics. We also get the "tunnel" sound on occasion but not many complaints on sounding muffled. We have the “Analog Mic AGC” enabled. Could be worth disabling and experimenting with the mic gain to see if the echo could be eliminated.
 

IAmSixNine

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Dec 19, 2002
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Dallas, TX
If SOME radios say you sound great and SOME say you sound muffled. To me that would lead me to check the AGC and or Pre - De Emphasis of the TX or RX units.
With that said i have not programmed an XPR6550. But since your operating it on analog conventional mode it should operate just like an HT1250 or similar unit.
 

scterran

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Dec 10, 2010
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Thanks for the tips. I was able to make some adjustements after turning of the AGC. I'm assuming that means that I'm turning off the Impres features on the radio, but at least I have a sound that everyone can live with.
 

thassler

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Sep 29, 2011
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Location
Tennessee
Make sure your CPS is in "Expert" view;
-View, click the "Expert" option.

Under the "General Settings" you may uncheck the Analog Mic AGC and Digital Mic AGC options.
You can then set your gain levels manually. There are also gain level settings for remote mics under the "Accessories" section.
 
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