[Elecraft] [KAT500] Key Line with Ten Tec

[John Huffman]

I downloaded the KAT500 manual in anticipation of my tuner shipping.  I 
have a question.

Hooking up my K3 and my Ten Tec Hercules II amp seems pretty straight 
forward concerning the KAT500 key line relay.  The K3 uses a single line 
to the Herc for keying.

But, I will also be using the tuner with my Ten Tec Orion and the Herc 
amp.  The Orion uses a pair of lines for QSK - TX EN/TX OUT JACKS on the 
rear panel of the transceiver.  I plan to interrupt one of the lines 
through the key line relay in the tuner.  But, which one, TX EN or TX OUT?

73 de K1ESE
John