[Hallicrafters] Re: SR400A on CW

[Don]

Mark,

There's nothing in the manual about this issue. Jim's suggestions
(in his second posting), about using the RIT to create the offset,
seems to be the only feasible way to go.

73, Don VE3HUR

On Thu Feb 15 07:36:54 2007 k9tr at dtnspeed.net (Mark Shaum) wrote:
> 
> Don,
> 
> I don't have a SR400 or 400A here (wish I did!) but perhaps the RIT was to 
> be utilized to provide the desired CW carrier offset?  Is there anything 
> about this in the operation manual?
> 
> 73! - Mark K9TR
> 
> 
> >The SR-400A I've been working on is slowly coming to life
> >and operates fine on SSB (at least LSB) but on CW it transmits
> >about 880 Hz below the frequency it receives on.
> 
> >I've looked at the schematic and, as far as I can tell, this
> >is normal. There seems to be no provision for producing a
> >proper CW signal. There is no CW carrier crystal and the
> >sidetone is not fed into the modulator.