3M 2100 manual CUS Knob

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MODEL 2100 OVERHEAD PROJECTOR

A. Pull the mirror down as the FOCUS CORRECTION LEVER is pushed to the rear of the head assembly.

B. Raise the mirror back to the original position and refocus using the FO-

CUS KNOB.

6.Rotate the Color Tuning Knob until the projected image is free of any

yellow or blue corners.

-To remove blue corners, rotate the dial counterclockwise.

-To remove yellow corners, rotate the dial clockwise.

7.Correct any vertical keystoning by tilting the screen until it is perpen- dicular to the light beam axis.

Correct any horizontal keystoning by moving the projector until it is perpen- dicular with the screen.

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Contents Model 2100 Overhead Projector Table of Contents Technical Support Hotline 1-800-328-1371 U.S. & CanadaIntroduction PhysicalModel 2100 Overhead Projector Electrical 2130/2140/2150 2160/2170/2180 4130/4140/41 MechanicalOptical 2130/2140/2150 2160/2170/2180 4130/41 40/4150Principles of Operation Operation and Maintenance Do not look in the front projection lens when lamp is onCUS Knob Method Cleaning Stage Glass and Fresnel Lens MirrorsLamp Changer Assembly Before S/N After S/N Troubleshooting Symptom Check CAUSE/SOLUTIONSTroubleshooting Field Kits AvailableAdjustments If floor or ceiling lines are not Optical Alignment Focus Mechanism 924-5 Tension in cable should be 3/16 MaximumPost should Fold Down Without TOO Much Force Page Page Page Page Page Page Page Page DISASSEMBLY/RE-ASSEMBLY Stage Glass Focusing Assembly How to remove and install the condenser lens when equipped