MTR2000 900 Low Audio

This forum is for the discussions targeted at converting various models of Motorola equipment to operate in the 900MHz Amateur Band.

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n2pdq
Posts: 30
Joined: Tue Jan 01, 2002 4:00 pm

MTR2000 900 Low Audio

Post by n2pdq »

Just picked up a MTR2k 900, which was originally part of a smartnet trunk system. I programmed it into the ham band, as a stand along repeater.
It receives fine, however it does not have very much TX audio. only about .800Khz deviation.

I also tried to use the rear accessory connector with my allstar node, which has been working on my UHF mtr, same results. very low audio.

I did go into the service menu, and brought up the rear input level, but didn't have any effect.

Any thoughts on getting it to work?

I did try to program it into the native commercial band, still low audio.

Dirk
desperado
Posts: 237
Joined: Wed Jul 15, 2009 4:29 pm
What radios do you own?: Motorola

Re: MTR2000 900 Low Audio

Post by desperado »

Well that maybe the fact that the repeater is most likely narrowband only.
If you are listening to in with a receiver that is set wide, it's not gonna be real loud
Keith
CET USMSS
Field Tech
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VE3TUH
Posts: 301
Joined: Fri May 24, 2002 3:14 pm
What radios do you own?: more than I should...

Re: MTR2000 900 Low Audio

Post by VE3TUH »

Well, 0.8k deviation is not very much, even if narrow band. I just looked at a uhf mtr with low and distorted audio for a local club. The issue was found to be in the control board. replaced it, full audio.
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