[Elecraft] Sub RX Deaf??

[RIchard Williams]

 Chris,
First make sure you have your filter configuration set correctly (including offsets, etc).   I highly recommend you use the K3 Utility to Configure the Crystal filters.  You didn't mention how you set up your K3 as far as antenna input to the sub receiver.  I use the BNC connector on the back of the K3.  A couple times when I found the sub receiver deaf, it was a matter of "operator error" with one of my big paws "holding" rather than tapping toe RX Antenna button.  The net affect of that is switching the input from Main to Aux.  A quick push and hold of the RX Antenna button to go back to Main does wonders to fix that issue!!!   Also, make sure you have the KRX3 option in the Configuration Menu set correctly (mine is set to Ant-bnc).
Good luck finding the probem
Dick, K8ZTT
    On Sunday, February 11, 2018, 1:43:45 PM MST, Chris Soames <semaos at semaos.plus.com> wrote:  
 
 Hi Just fitted SubRx into my K3 nothing heard only background noise, no 
matter what ant configuration or other setting,
SubRx appears to be deaf?

Oh dear where to next?

Chris G0TZZ
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