The fleet list is usually input using an integral keypad or an office based console. These systems were either fitted with integral printers or permanently hard-wired to back office consoles that provided simple reporting and printouts, these system types were superseded by the proliferation of low cost PC's.
The fleet list is typically entered using a comprehensive keypad or an office-based terminal. These systems were either equipped with integral printers or permanently connected to back-office consoles that provided basic reporting and printouts, which were later replaced by the widespread use of low-cost PCs.