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digital projectors

There seems to be a confusion as to the resolution of the image being projected.

Projection units are rated as to the highest resolution they can project. Less expensive units frequently only are rated VGA. This rating combined with the brightness of the unit (usually measured in lux) will determine the maximum size of the projected display area. Larger display areas lose the resolution of the original image. You may need to compromise the size of the projected image and the size of your audience.

A computer screen capture may only be 78 pixels if the computer monitor and its video display card are not high resolution. Check the monitor settings to see how many colors it will display. If you attempt to set the display exceeds the video card, the computer will not allow this to become your default setting.

All web images are set to the lowest possible resolution because of bandwidth considerations.

I offer the following suggestions I have found useful to bullet proof your presentation:

1. Choose software that will best present and organize the information you want to present.

2. Decide if you will or will not accept questions during the presentation. Will you print and distribute prepared notes? Time your presentation according to the complexity of the information and the knowledge of the target audience.

3. Start with the highest possible resolution image file of the image you want to display. Some software allows you to crop the image, but file size is not reduced. Always work with copies, never the original file or one of a kind image when altering the image.

4. Newer laptops allow a projection unit to be attached via a serial port without disabling the laptop screen.

5. Purchase a USB remote presentation control device so you can face the audience and the laptop screen while advancing or reviewing the previous image.

6. Practice with the actual equipment the day prior to the presentation so you can make changes if necessary.

7. Record your presentation to video tape as a backup. Most meeting rooms have several TV monitors and video players. Warning - this technology is quickly being replaced by DVD players.

7. Transfer your data files to a DVD or CD. Check with the host organization to be sure of what computer platform and operating system they use. Be sure that the originating software is installed on their computer and it is the same version you are using.
8. Bring your own laptop with a restore CD in the event of a system crash.

9. Purchase your own projection unit and use it as you are familiar with how to operate it and can trouble shoot it in a crisis.

10. Have your talk uploaded to your web site so people can refer to it after the presentation. This helps to eliminate a lot of time spent on emails and phone calls after the conference.

Welcome to the world of a professional trainer/presenter/speaker.

Claude Sweet
San Diego, CA



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