JVC RSAL3 user manual

Summary of the content on the page No. 1

RSAL3
Anamorphic Lens System
For JVC D-ILA Projector models:
Reference Series DLA-RS15/DLA-RS25/DLA-RS35












Summary
The RSAL3 is a high performance customized anamorphic lens system designed specifically for the above
ceiling mounted JVC projectors to provide the ultimate in true 2.40:1 cinema immersive theater environments.
It is designed to be very easy to install and is used with custom JVC projector settings to make home theater
projection on a 2.40:1 aspect rat

Summary of the content on the page No. 2

FOR OPTIMUM PERFORMANCE Optimum throw distance from screen to projector: 12 - 28 feet (3.5 to 8.5 meters). Ratio of throw distance to screen width: 1.7 minimum. Designed projector mounting configuration: ceiling mounted (i.e. projector feet "up") and horizontally centered (approximately) on the center of the screen. Optimum vertical position of the projector: +/- 20% of screen height from the top of the screen. Design tip: Variations from optimum guidance will typically not cause notic

Summary of the content on the page No. 3

TUNING IN LENS TILT AND SHIFT This is the core step of the setup so please be patient! • Select "Lens => Shift" and move the image vertically so that it appears to be vertically centered on the screen. The image may still be somewhat cut off by the lens during initial stages. • Loosen the two Lens Adjustment Screws and slide the RSAL3 lens up or down until it does not block the beam. Note that this will likely move the image vertically off the screen. Make sure the Lens Adjustment Scre

Summary of the content on the page No. 4

CLEANING In most applications lenses do not need very much cleaning – a bit of dust will not impact image clarity. However, in today’s high performance home cinemas with very dark rooms a small build-up of dust or other foreign matter on your projector lens or your RSAL3 lens can produce a measurable reduction in contrast. The most effective cleaning approach is to simply blow off any dust. If there is any residue or build-up then it is recommended that you clean the optics with professi