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3. Installation Guidelines
3.3 Lens Formulas
Lens Formulas
The lens formulas should be used to calculate the ideal projector distance:
Lens type HFQ900
PD[meter] = 1.269 x SW[meter] + 0.3345
PD[inch] = 1.269 x SW[inch] + 13.17
3.4 Batteries
Overview
•
Battery installation
3.4.1
Battery installation
How to install the battery
Two batteries are packed together with the RCU. Before using your RCU, install first these batteries.
1. Remove the battery cover on the backside by pushing the handle a little towards the bottom of the RCU.
2. Lift up the top side of the cover at the same time.
3. Insert the batteries as indicated in the RCU.
4. Put the battery cover on its place.
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R5976257 BARCO REALITY 909 15/03/2003
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