[Elecraft] K3 Wattmeter Problem

[DL8SCG]

Hallo

I use a K3 with the newest firnware
since a week i have following problem..

the k3 wattmeter show 20 Watt but the real output are 50 watts (on a 
external wattmeter)
the k3 wattmeter show 50 watt but real output are 110 watts

this is on all bands
110 watt out and the k3 wattmeter show 50-60 watts

any idea?????
i think a menue-point is wrong setting,,

73 de bernd dl8scg
K3/100 #712