Dear Wayne,
A pitch of 880 Hz is an exactly tuned A, twice the canonical 440 that
orchestras are tuned to. Musical people might like to use 880 to
avoid upsetting their sense of pitch by hearing an off-key sidetone
all day. Also, 740.0 is within a fraction of a Hertz of a correctly
tuned (well-tempered tuning) F#. So there is good reason to have the
increments of sidetone pitch be 10 Hz rather than 50 Hz.
I'd suggest that, if the hardware registers permit it, the firmware on
the K3 should allow a sidetone from 200 Hz to 1000 Hz by 10 Hz
increments.
By the way, I find on my K2 that setting the sidetone readout to 730
actually gives an audio pitch of 740 Hz. But setting to 440 actually
gives 440. This is the result of granularity in the registers, I
assume. On the K3, the actual pitches should be within 1Hz of their
settings, or so I hope.
73,
Oliver Johns
W6ODJ
On 14 May 2008, at 9:36 AM, wayne burdick wrote:
800 Hz is the highest pitch you can select for your sidetone. But
this has no effect on auto-spot. It will search the same amount
above/below any selected pitch.
On May 14, 2008, at 9:27 AM, G4ILO wrote:
K4IA wrote:
On another note, I have to question why a pitch of 800hz is the
maximum
the
K3 will allow.
---
http://www.elecraft.com
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