Classroom AV Guide For all support questions, contact Tech Central as listed below. Click on your Controller Type image to continue Touch Panel 1 Push Button Audio Visual Technologies AV Best Practices Tech Central Phone: 310.506.4357 (HELP) Hours: 24 hours a day, 7 days a week, 365 days a year Technology Service Request Forms Have A Suggestion for IT? IT Suggestion Box Click to share your suggestion, anonymously if preferred, to improve Pepperdine IT.