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.
|Bianca Buitendag-7809 by vbuhay|
|Sunrise in Paradise by OB Foto|
from Booby Prize
|The Battle for the Lead by Photo Pete|
from Bicycle sports
|Cecelia's Eyes by Madeleine Hart|
from - Jenny from the Block - (Colors that pop + A white Border)