Make a relay in the PTT line. You should be able to control it with the DigOut in the same way it is used for the PR6 preamp.

73
Greg

On 2/16/2013 8:28 AM, Richard Thorpe wrote:
What are people doing out there to key more than one external amp? I want to 
key a 2 meter block without keying a 160-10 external amp and visa-versa.  Thank 
you.

K6CG
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