KEYSPAN PR-EZ1 Wireless Presentation Remote Type: 433 MHz Wireless Distance: 60+ ft. Receiver Interface: USB Control: Previous Slide (Left Triangle Button) - Page Up - Moves to previous slide in slideshow Next Slide (Right Triangle Button) - Page - Moves to next slide in slideshow Volume Up (Up Triangle Button) - System Volume Up Key - Raises the volume level on your computer Volume Down (Down Triangle Button) - System Volume Down Key - Lowers the volume level on your computer Mute (Speaker Button) - System Mute Key - Mutes all sounds on your computer Black Screen (Black Square Button) - B - Blacks screen during a slideshow. Press again to un-black screen F5 - F5 -Starts slideshow mode. NOTE for Mac Users: Install optional software to enable F5 to start slideshow mode in PowerPoint/Keynote (See Help & Downloads tab) ESC - ESC - Stop slideshow Laser Button (Red Circle Button...