During machine start-up and operation, Type FED provides diagnostics and operation control. O/I panel comes standard with high-visibility graphical LCD, LED backlighting, tactile keyboard, and Designer software, which facilitates programming. Model FED-90 features 512 kbyte memory, 256 event list, 8 level password protection, and 1,024 alarms, as well as 256 downloadable user-defined characters.