EB-972 EB-118 EB-X49 EB-X600 EB-E20 EB-E600 EB-X51 EB-E10 EB-X06 EB-E01 EB-X500 EB-E500 HDMI1/HDMI2 ports ✓ ✓ - - - - - - - - - - HDMI port - - ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ Computer1/ Computer2 ports ✓ ✓ ✓ ✓ ✓ ✓ - - - - - - Computer port - - - - - - ✓ ✓ ✓ ✓ ✓ ✓ Video port ✓ ✓ ✓ ✓ ✓ ✓ ✓ - ✓ - ✓ - USB-A port ✓ ✓ ✓ ✓ - - ✓ - ✓ - ✓ - USB-B port ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ L-Audio-R ports ✓ ✓ ✓ ✓ ✓ ✓ ✓ - ✓ - ✓ - Audio 1/Audio 2 ports ✓ ✓ ✓ ✓ ✓ ✓ - - - - - - Mic port ✓ ✓ - - - - - - - - - - Monitor Out port ✓ ✓ ✓ ✓ ✓ ✓ - - - - - - Audio Out port ✓ ✓ ✓ ✓ ✓ ✓ - - - - - - RS-232C port ✓ ✓ ✓ ✓ ✓ ✓ - - - - - - Lens cover ✓ ✓ ✓ ✓ ✓ ✓ ✓ - ✓ - ✓ - Horizontal keystone slider ✓ ✓ ✓ ✓ ✓ ✓ ✓ - ✓ - ✓ - Zoom ring ✓ ✓ ✓ ✓ - - ✓ - ✓ - ✓ - Document camera (optional) ✓ ✓ ✓ ✓ - - ✓ - ✓ - ✓ - Beep (Power on/ Power off) ✓ ✓ ✓ ✓ - ✓ ✓ - ✓ - ✓ - Date & Time setting - - - - - - - - - - - - Schedule Settings - - - ✓ - - - - - - - -