Ricoh Hadar-PJ1 Y090 Technical Training Manual - Page 4

Browse online or download pdf Technical Training Manual for Projector Ricoh Hadar-PJ1 Y090. Ricoh Hadar-PJ1 Y090 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.