On Mon, 01 Dec 2008 19:00:16 -0800, Rick Stealey
<rstealey@hotmail.com> wrote:
>
> Tom,
[...]
> But on the subject of sequencing. if you happen to be using FT1000MP
> rigs (the only one I am
> familiar with so far) there is a menu setting for delaying rf after
> the key closure. In my
> case my vacuum output relay was switching in about 12 ms after the
> transceiver gave
> it the key signal, so I delayed the MP by 15 ms. Others have said
> vacuum relays should
> close in the 3-5 ms range, and if I could get mine to do that I
> would be able to shorten
> the delay and maybe get away with QSK.
> Do you have a dual channel scope to make the timing measurements
> with? It would be
> interesting to see if Emtron is sequencing them properly, but even
> if they are you
> still don't want your driver slamming it with RF before that time is
> complete, even if it
> is 3-5 ms. Someone told me an Icom 756Pro III did not have an
> adjustment, but I
> haven't confirmed that.
>
> Rick K2XT
It's sad but true, the Pro3 does NOT have a QSK delay control to delay
the RF envelope. Does your QSK delay work if you're not using the
internal keyer in the FT1000? It doesn't on my FT920.
Jerome - VA7VV
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