[Elecraft] lower power on lower frequencies

[DALE LONG]

Our K3 seems to have full output on 10/15 and 20m.  

70 watts on 40m
60 watts on 80m 
40 watts on 160m.

This does not seem to be related to antenna SWR, so must be a setting of some kind.  All tests were done on CW mode

Thanks

Dale CX/N3BNA