Slide timing can be adjusted or set using the 'Slide Show -> Rehearse Timings' can be used to set the timing or to modify
an existing time set for the advancement of slides. Set Timings in Microsoft Powerpoint 2002
In the above example, every slide is set an advancement timings of 10 seconds.
When the 'Rehearse Timing' option is used, a small timer appears on left top.
After the required time simply click on the '->' key to set the time for next slide.
Total time for the slide show will be displayed, then slides are displayed in a sorted view with the time.