Provides operator control of countermeasures set an/alq-16 (v)2 with the following controls: selector switch that determines mode of operation; pushbutton test switch activates the interval built-in-test (bit) circuits and displays results of tests on a go/no go illuminated indicator on control box panel; volume control to set volume of warning tone generated in aircraft intercom system when a threat signal is received; warm-up indicator that illuminates when system is turned on and remains on for a of three minutes; 28 vdc; 1.1 by 5.75 by 3.0 in; 4 ounces; panel mounted by two fasteners on 5.365 in mounting centers
