How to use it?
When to use it?
Trimming off the unnecessary part and modification if a component of the pdf is needed.
What part of pdf is affected by it?
The color space of pdf does not change, only the dimensions change.
What to watch for?Enough part should remain after trimming for preparing the bleed.
Selecting size manually or by specifying a value:
Specifying the accurate value
Sets the selected area to the middle