[1000mp] MkV and AM power?

[lhlousek]

I've never used my MkV in AM mode but thought I'd try it into a Dummy and see how it behaved.  When I tried to set the
carrier to 50W I found that anything more than about 1/8 turn of the power knob sent it up 200W and the ALC shows about
1/2 scale with no audio going into the mike.  I could set it to 50W by holding the PTT and turning the power knob but it
is extremely sensitive and difficult to set.  Once set, it seems to behave normally and sounds good in the monitor.  The
power control in CW, SSB, and FM modes works normally.  Anybody have an idea of what's going on?

Lou W7dzn