Document Camera/Presenter .

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Document Camera/Presenter www.protechprojectio n.com

Transcript of Document Camera/Presenter .

Page 1: Document Camera/Presenter .

Document Camera/Presenter

www.protechprojection.com

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www.protechprojection.com

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$3,144.06

$1,730.13$709.73

$1,972.78

Styles/Costs

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Document Camera Parts

1. Video camera head

2. Light

3. Connectors (on rear)

4. Work surface

5. Power on/off

6. Light on/off

7. Close up lens

8. Pull ring

9. Auto focus on/off

10. Zoom keys

www.onyxeng.com

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www.protechprojection.com

“Real time” Presentation

For Comprehensible and Creative Class work

Presenter + Projector + PC

Presentations with 3Ps persuade and impress. Change smoothly from presenter to PC.

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www.protechprojection.com

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Hooking-Up to a Desktop

VGA

(input)

EXTRONVGA

(output)

VGA

(input)

Monitor

RGB RGB

(input) (output)

ELMO

ComputerVGA

(output)

ProjectorVGA

(input)

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Hooking-Up to a Laptop

LaptopVGA

(output)

RGB RGB

(input) (output)

ELMO

ProjectorVGA

(input)

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www.protechprojection.com

INPUT VIDEO Switch – Computer

MAIN Switch - ELMO

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www.protechprojection.com

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In this section, you will learn how to make images on your document camera look more professional by using:

• wedgies • tricking • zooming

A document camera makes it very easy to show virtually anything you can put under the camera. However, there are certain hints, tips, and tricks you can use to ensure that your images appear the best at the far site.

The first thing to remember when displaying an item on the document camera is to think "What am I trying to show?" or "What is the main idea I am trying to convey?" Keeping this in mind can help you to focus on what is important and what is extraneous or distracting.

Using Your Document Camera

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Glare can ruin a good picture. Glossy pictures can reflect light from the ceiling lights in the room - not the lights attached to the document camera, but overhead fluorescent lights.

Good Examples of Bad Examples:

                                             

Glare

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1.Move the document camera 2.Turn off overhead lights 3.Wedgies!

                                             

Since it is not always convenient to move the document camera or turn off the lights in the room, wedgies are an ideal and simple answer.

Solutions

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Use something to wedge under one side of the document camera to make the glare not reflect into the lens of the camera. The following are a few suggestions for wedges:

1. Block of wood2. Door stop3. Soda pop screw top4. Book

What else can you think of using?

Wedgies

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The Problem The Solution

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Most document cameras have an auto iris feature that can be useful. The auto iris looks at the entire picture in the camera's field of view. It tries to figure out what is the brightest part of the picture. It will then adjust the iris or close the iris to let less light into the lens.

The background of most document cameras is white. When the upper lights are turned on, the white background become blinding to the camera lens. Therefore, the document camera closes the iris down to allow in less light. However, not only is the white background dimmer, but so is the image you are trying to show.

Since you now know HOW the document camera works, you can work to TRICK the document camera by placing a dark background behind what you are trying to showcase.

Tricking

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Some Solutions

Using darker backgrounds of different materials.

Manila Envelope

The Problem

The Main Idea of this picture is the remote control. However, the iris of the camera has closed down so much you can barely read the words on the buttons.

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    Black Construction Paper

                                         

    

                                         

    Burgundy Album Cover

                                         

    

                                         

    Black Glossy Plastic Slick

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Zooming

Since you know that the iris of the camera will close and make your image or picture dim, make sure you zoom in close enough to fill the screen with the subject.

The Problem

The main idea of what is under the document camera is the photograph, not the white background of the document camera.

The Solution

By filling the screen with the photograph, you do not have to worry about the iris of the camera closing too much

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Zooming

There are two ways to zoom:

1.Push down the knob on top of the arm

2.Push the arm down closer

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Citations

• www.protechprojection.com

• www.provantage.com• www.onyxeng.com

• www.polycom.com