InFocus LP500 Service Manual page 14

Assembly Notes
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The lamp must be seated properly to fully ignite.
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Torque the two captive screws to 6 in.-lbs. (.678 Nm).
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Make sure the bail on the lamp module is folded down in storage position. It snaps into position.
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You must replace the lamp door for the projector to operate.
LP500 Series Service Manual 14