[Elecraft] PX3: Possible problem with display

[w4sc]

Larry,

Read the PX3 OSB null procedure carefully.

Check/do the following:

1)  Clean the cable connectors contact area with alcohol applied to a clean cloth, removing oil, grease, dirt, ect.  Cleaning the connector in the KX3/PX3 is more of an issue, and I haven’t found a good way to clean those. I use 91% isopropyl available at any drug store.
2)  Ensure the cables are plugged and seated in completely
3)  Make sure f/w setting RX-SHIFT is set to NOR.   This is a per-band setting.  I had trouble on a single band with obtaining a good null, and this turned out to be the issue.  This is not noted in the nulling instructions.
4)  Make sure f/w setting DUAL RX is set to OFF.  This is a per-band setting.  Suspect this could also cause an issue.

Bonding the two chassis will also help (Don).

I have had trouble with these connections many times, as just moving the cables can spoil the PX3 OSB Rejection.

73 de Ben W4SC