Ralston 100 classroom





To Use Desktop Computer with LCD Projector
  • The computer is located inside the instructor's station at the front of the room.
  • To display computer image on projector, use the Control Panel on top of instructor station. (Pictured above)
  • Press Display On button for 3 seconds. Wait until light stops blinking.
  • Press PC button on input selector of control panel.
  • The computer image should appear on screen. 
  • Adjust volume, if needed, with volume knob on control panel.
  • When finished, log off computer, then press the Display Off button, holding it at least 3 seconds until it starts blinking.

To Use Laptop with Projector
  • There is a laptop cable next to the monitor on top of the instructor station. Plug laptop cable into laptop's external monitor jack, and connect the audio cable to the headphones jack on your laptop.
  • Turn on laptop.
  • To display laptop image on projector, use the Control Panel on top of instructor station. (Pictured above)
  • Press Display On button for 3 seconds. Wait until light stops blinking.
  • Press Portable PC button on control panel input selector.
  • Laptop image should appear on screen. If image is not optimal, press the Auto Sync button on the control panel.
  • Adjust volume with knob on Control Panel.
  • When finished, turn off and unplug laptop, then press the Display Off button, holding it at least 3 seconds until it starts blinking.

To Use BLU-RAY with LCD Projector
  • Turn on Extron Control Panel (pictured above) by pressing and holding ON for 2 seconds.
  • Turn on Blu-Ray control panel, located inside the equipment cabinete.
  • Insert Blu-Ray disc.
  • Switch the input display to BLURAY by pressing and holding that button on the projector control panel for 2 seconds.
  • When finished, turn off Blu-Ray player. Turn off projector by pressing and holding OFF for two seconds.


More Information
For immediate assistance with classroom presentation technology (M-F 8am-5pm), please call 1-740-427-5711 or, to set up a consultation or other classroom technology service request, place a classroom technology request on our TopDesk service portal.