I just found my notes on the MSR-2000 that I did for a friend a year or so ago.

Looks like I needed to run the discriminator (rx pin 5) through the amplifier in the URI. Also picked up +12vdc for the amp from the receiver connector.

Running fine with usbradio and using the DSP.


Bob
WB3AWJ
Allstar 27784
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Sent from my Android phone with K-9 Mail. Please excuse my brevity.