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
Description:
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.