[Elecraft] K2 CW TEST mode, and KX1 CW test

[Andrew Moore]

> For the KX1 just tune outside the ham bands by a few KHz. The unit won't
> transmit but the sidetone oscillator still operates. Seems to work great for
> a little CW practice. (Some of us need a LOT of CW practice.)

If think the transmitter is also disabled when you edit the CW speed (so that the current WPM value is displayed).

No, no harm in keying the K2 in "CW test" mode -- that's what it's there for.  

Great feature on both rigs, by the way.

--Andrew