Ricoh Hadar-PJ1cx PJ W1000 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 PJ W1000. Ricoh Hadar-PJ1cx PJ W1000 33 pages.

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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.