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How to position the projector and screen for optimal viewing.
Guidelines for audience seating and room acoustics for optimal sound and viewing.
Tips for picture contrast and lamp selection.
Steps for initial setup and connecting the built-in loudspeaker.
Guide to connecting power supply, voltage selection, and fuse requirements.
Instructions for connecting room lamps and adjusting amplifier voltage selectors.
Diagrams and instructions for threading film paths for various sound types.
Steps for operating the projector, focusing, framing, and using reverse motion.
Procedures for safely removing film and rewinding reels.
How to project optical sound prints and adjust sound fidelity.
Guidelines for using microphones for narration and PA systems.
Instructions for connecting record players or tape recorders and adjusting sound levels.
Steps for projecting films with magnetic sound tracks.
Guides for recording music, commentary, and mixing sounds on magnetic tracks.
Lubrication, cleaning of optical system, gate, and pressure-pad.
Cleaning condensers, sprockets, sound drum, and magnetic heads.
Instructions for replacing fuses, lamps, photoelectric cells, and amplifier components.
Setup and operation of auxiliary speakers and distributor box.
Expert tips on room acoustics, speaker placement, sound levels, and recording quality.
Overview of the projector's main advantages including Hi-Fidelity sound and image quality.
Detailed specifications for S-211/S-221 models and a list of available accessories.
General