投影仪使用说明书.docx

陈雪英-国贸12-3班201220801013Operating Instructions for the Udell 4455 Overhead Projector Introduction:The Udell 4455 overhead projector is used large to project written or graphic material on to a screen or wall to audiences. Because of its capability to enlarge and project, it is ideal for use in schools or business. Seven simple steps will help you operate the projector.uName: The Udell 4454 Overhead Projector.uFunction: It is always used to show pictures on screen.uPart Name: Projection Head, Focus Knob, Stage, On/off Rocker Switch, and Power Cord, as the picture shows from the top of the bottom.Warning! The projector bulb heats up during operation do not touchCaution! 1. Keeping air vents uncovered to allow for proper cooling 2. Keeping overhead projector 6-10 feet from the screen 3. We may choose (220-240V, AC) in order to have proper voltageThe Following Seven Steps Will Help You Operate the Udell 4455 Overhead Projector u Put the power card into the plug.u Turn on the switch and keep air vents uncovered to allow for proper coolingu Put the material you want to project at the stage of the projector u Adjust the projection head and changing the angle of projection head to make sure projection image better fit the screenu Adjust the focus knob. Mowing the arm up and down will affect both the focus and the size of image that is projected to make sure the image clearu You can see the thing in the screen or wallu u Turn off the switchu Pull the power card outu Conclusion: This operating guide to the Vell 4455 overhead projector is included primarily for ease of customer use service application for anything other than normal use or replace parts must be performed be a trained and qualified technician. Thanks for you are using of our product. S