If the frequency display at the top center of the P3 screen is reading
zero, then that implies there is something wrong with the RS-232
connection between the K3 and the P3. Recheck the connections on page 5
of the P3 manual:
https://ftp.elecraft.com/P3/Manuals%20Downloads/E740152%20P3%20Owner's%20man%20Rev%20H1.pdf
The two-headed cable should plug into the two RS-232 connectors on the
P3 in the order shown. Make sure all the connectors are well-seated.
Alan N1AL
On 3/31/2021 2:49 PM, Richard Hayman wrote:
Just picked up K3s and P3 combo. The K3s had just been returned from Elecraft
service and seems to be working perfectly. I am replacing my old K3.
Anyway, in my rush to set everything up, I can’t figure out why I have no
frequency display on the P3. Using USB connection to communicate to the both
the P3 and K3s using the firmware utilities. All appears normal. So I assume
RS-232 between the K3s and P3 is fully functional.
Gotta be something simple. Right?
73, Dick, WN3R
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