Philips 99F2 - Manual (Page 44)

Philips Electronics - 43 -
4.4 Frequency
Use this function to select how long each photo is displayed during the slide show.
Press the menu button to access the Main Menu.
Navigate down to highlight the Slideshow icon.
Navigate right or press the OK button to access the slideshow menu.
Navigate down to access the frequency menu.
Navigate Right.
Navigate down to move to the required transition time.
Press the OK button to confirm.