Good Weekend All,

Don't have easy access to search the archives, so at risk of a dup, here is a "finding" from setting up the KX3, SignaLink with the KX3 Tigertronics made cables, and DM780. HRD works flawlessly with Elecraft KXUSB here, but...

Using the little paper instruction insert that came with the SL to KX3 cables from Tigertronics, it was implied that the KX3 menu entry for MicBtn was to be in PTT Up.Dn. Well, that is apparently backwards. The system behaves normally if Mic Btn is OFF, and when set as instructed in the little sheet, the outgoing data string is transmitted in your selected mode, then the SL unkeys (as it should), but the KX3 stays in transmit.

When the KX3 is set as the TigerTronic folks suggest, I assume the SL vox relay was being "overruled" by the TX command by KXUSB control because tapping the XMIT button on the rig would drop the rig back into receive. With PTT set OFF, the SignaLink VOX circuit has proper control.

Had me stumped for a minute.. hope this helps someone setting up in the future.

Jack - KD4IZ

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