On Feb 13, 2006, at 10:33 AM, Jim Harris wrote:
My K2/100 (S/N 4787) is about 10 months old. My
question is at what point, or ever, should all the
initial alignments be repeated? There are several
reasons for asking the question other than electronic
components simply drifting a bit with
Jim Harris wrote:
1. Recently I've noticed when it is initially turned
on the received frequency is about 100 hz high judged
by the pitch of people's voices that I know. After
20-30 minutes they drift to near exact frequency.
And Bill, AA4LR replied:
I had this sort of problem before I
Jim,
Yes, there is a special set of 4 filters labeled RTTY filters in the K2 -
they can be turned on and off via the menu. These 4 filters are independent
of the settings used for the other modes (CW and SSB). The RTTY filter set
also allows independent adjustment of the menu SSBC parameter -
Jim,
The K2 does not seem to need periodic re-alignment because there is not a
lot of drift in the component values over time and the design is on the
conservative side, so it is forgiving of minor alignment errors.
BUT - If you want optimum performance, do take whatever steps necessary to
get
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