QTR-Quadtone RIP

--- In QuadtoneRIP@yahoogroups.com, Roy Harrington <roy@...> wrote:
>
> QTR handles either Lab or Density automatically.
> The values in the Linearize line should go from white to black:
> in lab that's big to small values
> in density its small to big values.
> 
> Roy
> 
Roy I have an X-rite Pulse spectrophotometer aka  DTP20.  It measures in LAB.  To check linearity should I use the RGB step wedge print out in QTR or should I convert this to LAB make it linear and then print it out in QTR?

Having done this linearized and made adjustments, I presume I print my R=G=B images in RGB mode in QTR.  Am I understanding this properly?

Thanks,

Colin