Carousel, Model AV-900 35-mm slide projector

bent or broken slide catches in the gate, you can remove the locking ring on the slide tray, depress the select button, and remove the defective slide. The round slide tray, accommodating 80 slides, is placed upright on top of the projector, as shown in figure 7-12. As the slide tray revolves, the number of the slide being shown appears opposite the gate index on the projector. CONTROLS.—The operation and adjust- ment controls are shown in figures 7-12 and 7-13. The important operation and adjustment controls are given in the following sub- paragraphs. a. The automatic timer has four settings: M (manual), 5, 8, and 15 seconds. The changing mechanism is set in motion matically when the automatic timer is set slide- auto- at the 287.26(M1) Figure 7-13.—Control panel. 5, 8, or 15 setting. Slides are shown on the screen for the number of seconds indicated by the automatic timer. Rapid advancement be- tween slides eliminates long dark-screen periods. b. The SELECT button (figure 7-12), lets you show (or sequence) single slides without the slide tray, show an individual slide out of sequence, or retrieve a slide from the gate. You 287.25(M1) Figure 7-12.—Carousel, Model AV-900 35-mm slide projector. also use this control when removing the slide tray. c. The selector switch on the control panel (figures 7-12 and 7-13) may be placed at either of four positions. In the OFF position, the projec- tor is completely turned off. In the FAN posi- tion, the fan operates with the projection lamp turned off, The HIGH and LOW positions pro- vide a choice of brilliance for different projec- tion conditions. (Longer lamp life is obtained when the LOW position is used.) d. The elevation knob (figure 7-12) allows you to center the height of the projected image on the screen. The leveling wheel, located under one of the back corners, levels the projector. e. The focusing knob (figure 7-12) allows you to focus the picture on the screen, as well as easily remove the lens. LENSES.—The projection lens will give a brilliant, sharp picture under a wide range of conditions. There are 3-, 4-, 5-, and 7-inch lenses (8-, 10-, 13-, 18-cm), and a 4- to 6-inch zoom lens (10- to 15-cm). The zoom lens lets you vary the size of the projected image so that it fills the 7-22