The MediaExpress™ system
Press the key to activate the MediaExpress system (if installed). The MediaExpress system is an optional,
.PDF file is placed into the DP4100/4200’s optional MediaExpress disk drive, and a slide show can be run without connecting a computer to the projector.
Workgroup Mode
The Workgroup knob switches the projector to an extra bright (1050 lumen for DP4100z and 1400 lumen for DP4200z) monochrome mode for displaying spreadsheets and other