Users, UX, and Technology: Going hi-tech with your classroom AV system
Users, UX, & Technology
: Going hi-tech with your
classroom AV system
Blog: http://bohyunkim.net/blog Twitter: @bohyunkim
Associate Director for Library Applications and Knowledge Systems,
Health Sciences and Human Services Library,
University of Maryland, Baltimore
Code4Lib Maryland, DC, Virginia - Regional Meeting, Aug. 11-12 2015.
• Student PCs
• 1 Projector Screen
• 1 Teacher PC
• The Teacher screen is projected to the Projector screen.
• Synchroneyes, which broadcasts a teacher station screen
image to student PCs and lock them down.
Ideas for the New AV Setup
• Multiple screens
• Project not only the screen of a PC or a laptop but that of
other mobile devices.
• Broadcasting & recording classes
• Supporting hybrid classes with the audience in this room
and another site with full participation from both locations
• Camera and Mic
• 5 Different screens in the room
• 2 Cameras front and back
• 1 Wireless mic & 2 Speakers
• Touchpad control panel
• A variety of dongles to hook up many different mobile
• Height-adjustable instructor desk
• A/V rack in the closet
• Flexible system that users can assign any input (outputs
from the AV rack with 1 video card with 4 different outputs)
to multiple different display screens.
How Do I Turn On
and Turn Off the System?
Solution: Change ‘Power’
to ‘Shutdown’ on the
“Too complicated, can I go
back to the old school
Solution: ‘Computer only’
display forces all screens to
mirror the teacher screen.
• Option to make the new classroom function just like the old
• High technology features unused.
• But better than the room avoided!
• Also works well with Synchroneyes that has difficult with
handling the extended display.
WIN + p
Presets did not fit
the use cases.
Solution: More presets for
important use cases &
name them accordingly.
Terms on the control panel
are not intuitive.
Solution: Rename them.
Put labels on the physical
Hard to Remember
• Preset 1
o Rear LCD, Projector, Lectern - PC output 4
o Front Left, Front Right - PC output 3
• Preset 2
o Rear LCD - PC output 1
o Projector - PC output 4
o Lectern - PC output 4
o Front Left- PC output 2
o Front Right - PC output 3
• When you, your IT staff, your IT vendor all think the new
setup is pretty good, you may need a reality check with
• People do not want to deal with technology for its own
sake. Technology should be in the background to get non-
technology things done, teaching in this case.
• Confusing terms are confusing. Make them intuitive.
• Going back to the old simple setup is better than no one
using the new setup.
• Revise how-to instructions based upon the user feedback.
• Your IT staff and users all need training, more than once!
Instruction for staff++