There are several courses available lasting from a few hours to several days depending on your level of expertise and requirements. Read the manual or use the on-line help. Practice, practice, practice. The tools are simple to use, particularly if you are used to a 'windows' environment. If you are new to computers then you may need some additional training particularly if you are not using an electronic touch board.
Some organisations have specialist who can prepare slides for teaching staff.
The slides you need to prepare include those necessary for your presentation and those you anticipate you may need. Prepare slides well in advance. Audiographics software download slides during a conference but they can slow the session down considerably and are usually a function of the slowest connection. Down loading should commence at least 15 minutes prior to the start of the session. Slides can be loaded onto the other sites for added redundancy by posting the disk to each location or electronically.