I hope it is OK.
Open your PDF manual.
Make screenshots of some pages of the manual.
Open one of them in Window painter. Don’t use Photoshop!
Select all and copy.
Open some of jpeg images taken by your camera and paste into it.
Now you have your PDF pages right on your camera’s screen.
|Black on White by RaVN11|
|Hummingbird and Bee by dibilio57|
from A Big Year - birds
|xheneta iseni _for DPReview by Mike Slade|
from - My Fair Lady - (Portraits in Full Colours Only + A Border)