adjusting volume automation

[euphjazz]

I'm running PT 6.4. I'm in Volume View. I've added multiple breakpoints of volume automation to a cut's tracks. Now I want to drop the volume of all tracks over the entire duration of the cut because some tracks are clipping. I like the current overall mix.

I have all my tracks selected the whole tune and I want to use the trimmer to pull down the volume line (levels) evenly for all selected. What I find happens is that new breakpoints are added at the end of the selection but that the left end of the selected area is anchored while the rest of the selection pulls down I end up with a fade down during the leg of the automation. What I want is for both ends as well as all of the enclosed points drop down uniformly while retaining their original mix, just at a lower level.

I've tried the grabber +ALT and +CTL with no success as well.

I've gone through the PTLE guide looking at editing automation data and can't find the answer. Am I missing something?

Rick