Ken Brown asked: "Does anyone know if there is an "official" definition of
exactly what
mode A and mode B iambic keying are? Are there any specific parameters
stated by any keyer manufacturer as to the timing of the paddle inputs
versus the keyer outputs? I have never seen any such specifications, and
I suspect that minor differences between brands is what gives some
people trouble switching from one keyer to another."
Here's what K1EL has in his WinKey manual:
WinKey supports Iambic A, B, Ultimatic, and Bug keying modes. In iambic mode
WinKey makes both dits
and dahs automatically based on which paddle you press. In bug mode WinKey
makes the dits and you
make the dahs. You also can use bug mode to operate in straight key mode or if
you want to key through
WinKey with a different keyer, simply set bug mode and use the dah input to key
WinKey.
In either iambic mode, alternating dits and dahs are sent while both paddles
are held closed. In mode B an
extra alternate dit or dah is sent after both paddles are released. In
Ultimatic mode when both paddles are
pressed the keyer will send a continuous stream of whichever paddle was last
pressed.
I use the iambic "B" on both WinKey and the Omni 6 internal keyer, though I
really don't (at least consciously)
use iambic or "squeeze" techniques.
73,
Chuck NI0C
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