A professional who controls video console to regulate transmission of television scenes, including test patterns and filmed and live black-and-white or color telecast. Responsibilities include:

• Views action on television monitor and sets switches and observes dials on console to control framing, contrast, brilliance, color balance, and fidelity of image being transmitted.
• Monitors on-air programs to ensure technical quality of broadcast.
• Previews upcoming program to determine that signal is functioning and that program will be ready for transmission at required time.
• May maintain log on studio-to-transmitter microwave link.