Ricoh Hadar-PJ1cx Y088 Manuel de formation technique - Page 4

Parcourez en ligne ou téléchargez le pdf Manuel de formation technique pour {nom_de_la_catégorie} Ricoh Hadar-PJ1cx Y088. Ricoh Hadar-PJ1cx Y088 33 pages.

See the specifications table in the service manual for more details.
Contrast: Compare with Sirius-PJ1 which has a contrast of 2000:1
What does '9000:1' mean?
It means that the white areas are 9000 times brighter than the black areas.