Thanks to all and the links. After looking thru all the stuff, this is my take
on things.
BTW I use a computer and Rig Blaster PRO to key the PRO III and do FSK RTTY
with the ACC jacks.
My AL-80B with a pin diode QSK board is keyed by the RCA jack Send on the back
of the radio, which I think is what W0QE indicates as the HSEND line.
W0QE shows the ACC 1 and 2 pin 3 send as having about 10 ms delay on make and
6-7 ms delay on break. This is the same line the RigBlaster is keying and might
be where I should come off to key the Alpha after I install the vacuum relays
and driver transistors.
As an additional complication I have a manual key and keyer plugged into the
PRO III and a SteppIR tuning lockout relay.
At any rate it appears 6 ms vacuum relays should work in the AMP if I drive
them from the ACC jack or maybe the PTT line out on the RigBlaster.
What say yeeeeeee ?
TNX AGN
Rick, N6PE
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