[TenTec] New Orion Firmware

[Sinisa Hristov]

Bill Tippett wrote:


> In addition to muting the receiver, the PTT line should be closing
> the AMP KEY line to your amplifier.

It should also switch Orion to transmit.

That would give the exact control of T/R timing to those who need it,
provided that the rest of Orion is capable of supporting such a thing.


> I agree that the radio still works
> in QSK, but of course you can adjust EXT T/R Delay so that the amp will
> still work in Semi-Breakin in case you forget to depress PTT.  As I recall,
> this is exactly how my MP worked.

No, with both VOX and BREAKIN turned off, 
MP will not switch to transmit on a key closure.
That's how it should be.


> Although my preferred mode was to
> press my footswitch, Semi-breakin was there to "rescue" me in case I did
> not depress it fast enough for the computer keying (I also use manual keying
> in parallel with CT for contests).

Footswitch & computer keying?
Why?  Most programs support PTT via COM/LPT.


73,

Sinisa  YT1NT, VA3TTN