Having difficulties with equipment in the classroom?

The following troubleshooting guide may help to solve the problem.  Further assistance, including a personal tutorial session, may be arranged by contacting Bob Trybalski, Coordinator, Instructional Technology Support Services 931.540.2869.

Cabinet doors locked?
  • The key should be in the drawer.
None of the equipment is working!
  • Is the master power switch, located inside the cabinet, on?
  • Are all the components inside the cabinet turned on?
Projector Problems
  • Have you turned on the projector using the Extron control box?  It is a black box mounted on the countertop.  Press the "ON" button on the panel to turn on the projector.  
  • Have you selected the correct input source?  Press the button on the Extron control box (mounted on the countertop) that corresponds with the device you are using
Screen Problems
  • The screen will automatically lower when you press the "ON" button on the Extron control box (mounted on the countertop).  Press the "ON" button again if the screen did not lower the first time.
Computer Problems
  • Have you turned the computer power on?
  • Have you turned on the power to the monitor?  
  • Have you "logged on" to the network?    
  • Is the computer not projecting?  Check to see if the projector is turned on and the correct input source (PC) is selected on the Extron control box (mounted on the countertop).  Additionally, check to make sure the PIC MUTE button is not illuminated red.  If it is, press the PIC MUTE button to "unmute" the picture.    
  • Volume problem?  Use the Extron control box (mounted on the countertop) to adjust the volume.    
  • Double-click the speaker icon on the computer's taskbar to adjust the output volume and un-check the mute box.
Document Camera/Visual Presenter (Elmo)
  • Is the the power turned on? The power switch is located near the right lamp arm (under the little video monitor).    
  • Is the document camera not projecting?  Check to see if the projector is turned on and the correct input source (D0C or DOC CAM) is selected on the Extron control box (mounted on the countertop).    
  • Is the document dark?  Check to see if the upper lamps are turned on. Also, you may need to adjust the iris.    
  • Is the the document bright? Try turning off the upper lamps and/or adjusting the iris.    
  • Is the transparency dark?  Check to see if the base lamp is turned on and try adjusting the iris.  If your document camera does not have a base lamp, check to see if the upper lamps are on and/or try adjusting the iris.    
  • Is the transparency bright?  Try turning off the base lamp or the upper lamp and adjusting the iris.   
  • Students having trouble seeing the material you are presenting on the document camera?  Try using the Tele and Wide zoom controls to make the document larger or smaller.    
  • Is the document or transparency out of focus?  Try pressing auto-focus or manually adjusting the focus.   
  • Is the remote control's batteries dead?  Contact Instructional Technology Support Services for new batteries.
VHS Machine
  • Is the power turned on?   
  • Is there a tape in the machine?    
  • The machine will not play the tape. Have you tried another tape?    
  • Did you press VHS on the remote control or front of the machine?   
  • Is the VHS machine not projecting?  Check to see if the projector is turned on and the correct input source (VIDEO, VHS or DVD) is selected on the Extron control box (mounted on the countertop).  Additionally, check to make sure the PIC MUTE button is not illuminated red.  If it is, press the PIC MUTE button to "unmute" the picture.    
  • Is the remote control's batteries dead?  Contact Instructional Technology Support Services for new batteries.    
  • Volume problem?  Use the volume control on the Extron control box (mounted on the countertop).
DVD Player
  • Is the power turned on?    
  • Is there a DVD or CD in the machine?    
  • The machine will not play the disc. Have you tried another disc?   
  • Did you press DVD on the remote control or front of the machine?    
  • Is the DVD machine not projecting?  Check to see if the projector is turned on and the correct input source (VIDEO, VHS or DVD) is selected on the Extron control box (mounted on the countertop).  Additionally, check to make sure the PIC MUTE button is not illuminated red.  If it is, press the PIC MUTE button to "unmute" the picture.  
  • Is the remote control's batteries dead?  Contact Instructional Technology Support Services for new batteries.    
  • Volume problem?  Use the volume control on the Extron control box (mounted on the countertop).

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