[Elecraft] K2: Positive or Negative CW Keying? Again

[Ron D'Eau Claire]

It's +5.6 VDC open circuit to ground and the keying circuit needs to sink
less than 1 mA to key the transmitter. 

Ron AC7AC

-----Original Message-----

Does the K2 use Positive or Negative keying voltage
when keying CW via external keyer? Just curious, as
the WinKey Keyer (non-HV USB version) is only capable
of keying positive voltages up to 50VDC, and is not
compatible with XMTR's that use negative keying
voltages.

  TIA
 
       72 de N8PVZ