Dell Projector 4100MP - Manual (Page 47)

Card Reader Module - Note: this menu is only available when the card reader is installed. (Card Reader is an optional accessory that can be
purchased from the Dell web-site)
Card Reader Module
Render Mode
Use Render Mode function to change Normal, Pre-view or Slide Show mode, select Change to go into the sub-menu.
Mode Rotation (Available in Normal mode only)
Use Mode Rotation to rotate the projection image.
Transition Mode (Available at Normal, Pre-view and Slide Show modes)
Use Transition Mode to setup the preferred transition pattern for the image.
Slide Time (Available at Normal, Pre-view and Slide Show modes)
Adjust the slide time interval during Slide Show.
Display Mode (Available at Normal mode only)