[Elecraft] K2 Spot Signal Strength

[Ed G]

Hello, 
     I don't have any trouble using the K2 SPOT switch when using the K2 as
a transceiver.  However, when using the K2 as a CW transmitter only (with a
homebrew T/R switch and an older boatanchor receiver) the K2 SPOT function
doesn't seem to put out any kind of signal I can hear in the boatanchor
receiver, so I can't really "spot" the K2.  I only use the K2 in this
configuration occasionally, but wonder if anyone else has a recommendation
for CW spotting with an external receiver?  Is there a way to adjust SPOT
strength? 
--Ed--