– entering flight information within the system for registration of flight data BUR-1 (Time, Date, Flight Number, Balance, Weight, Aircraft Number) using a keypad with three keys and four-position rocker switch;
– writer status signalling (FAIL);
– writer off (using FDR ON switch).
The device conforms to RTCA/DO-160D, (release July 29, 1997) and the resistance code: DO-160D Env.Cat. C1-CAB[(SM)(UF)]XXXXFXBZAZZVLXXXA