4. Lenses & Lens selectionImage 4-9Lens calculatorThe Lens Calculator can also be used to determine the position of the projector when the lens type and screenwidth is known.Due to lens tolerances the results of calculated values may be different from measured values. These differ-ence may vary +/- 5%.4.3 Lens installationWARNING : Only use TLD+ ZOOM lenses. Using other lenses can touch and damage the mechanics of thebuild-in Actuator! This can result in loud rattling noises and a damaged Actuator.How to install1. Remove the foam rubber in the opening of the lens holder if not removed yet.2. Do not remove the warning sticker from the lens holder.3. Take the lens assembly out of its packing material and remove the lens caps on both sides.4. Place the lens holder in the “unlocked” position by moving the lens lock handle (A) towards the lens power supply socket (B) asillustrated.R5906070 HDX 4K 07/11/2017 37
