As the original requestor of this feature (and of using the FT-897's
functional implementation of it as the standard to be emulated), I think Tony
is on the right track here. I can't think of any reason why doing it this way
wouldn't work; it seems to satisfy all the requiremets, including that of
leaving the receiver in SSB receive mode after using the "auto CW" feature
unless/until intentionally switched to full CW mode by the operator. (The
failure to leave the RX in SSB mode is what's wrong with the Kenwood TS-2000's
implementation IMO.) Keying shape at the audio frequency end would still have
to be taken into consideration, of course.
Yes, this feature is primarily (albeit not solely) of interest to serious VHF+
ops -- but there are lots of us out there. :-)
Bill W5WVO
Tony Fegan VE3QF wrote:
It seems to me that we are over-complicating this (hopefully soon
to come) feature. All that is required is that, when in LSB or USB
mode, a 700Hz tone is transmitted whenever the key is pressed. No
mode switching or menu changes are required. The only caution would
be to watch out for inadvertently closing the key during normal SSB
operation. I am not a firmware programmer but this does not seem
like a complicated task. On key closure switch to transmit mode and
either QSK or VOX. Then generate a (700Hz) tone.
This feature is very useful on SSB nets when copy is difficult and
on CW/SSB nets.
73
Tony Fegan VE3QF
G4ILO wrote:
Joe Subich, W4TV-3 wrote:
Patience please, with all the more serious problems, I cant
imagine this request is too high on the list.
Any rig that includes VHF capability or is designed to drive a
transceiver should have the capability. It is indispensable
to most serious VHF operators.
After experiencing it with the FT-2000, I find "auto CW" a joy
to use for tuning a quiet band ... I can tune in SSB and, if I
find myself in the CW band, answer a CW call without the need
to frantically change modes and retune.
Quite simply, if one is in LSB and taps the key, the radio should
automatically shift to CW zero beat with the "normal" CW offset
(e.g., 500 Hz, 600 Hz, etc.) - if one is in USB, the radio should
shift to CW-R with the proper offset. Similarly, changing modes
from LSB to CW should result in no change in received tone and
changing modes from USB to CW should automatically select CW-R
with no change in received tone.
If what we're discussing is the ability to change modes and keep the
same signal centered in the passband then I agree it would be a nice
feature - and I don't use VHF. But I often find myself tuning down
to the CW area after being on data, or vice versa, and when I want
to call the station and switch modes in order to do so I've lost him
and have to tune around to find him again.
I also agree that it's not that urgent a need, not for me, anyway. I
could just remember to switch to CW before tuning down there, but
that's not going to happen...
-----
Julian, G4ILO K3 s/n: 222 K2 s/n: 392
G4ILO's Shack: www.g4ilo.com
Zerobeat Ham Forums: www.zerobeat.net/smf
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