The Whelen TADCTL1 Traffic Advisor Control Head is designed for use with Dominator traffic advisors and the Liberty lightbars to control traffic advisor functions of the latter. It features a 3-position rocker power switch (ON/OFF/AUX) with a four function rotary switch for selecting various functions (sweep left, sweep right, center out, and flash). End flashers (if available) are activated when the switch is turned in AUX position. Moreover, the head comes with 3 empty positions for additional switches.
