Barco RLM W14 Service Manual page 115

(F)
Please use 3 mm inner hexagon screwdriver to adjust front and back
focus of whole image clearly. And, then adjust flare to make pixel of
whole image clearly.
(G)
After adjusting all position focus of whole image, please use M5 cross
screwdriver (10 kg-f-cm) to screw up tightly 4 pcs fixing Lens Mount
screws. If the focus move or fail, while you screw up Lens Mount.
Please re-adjust all steps again.
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