11. The married pair cars share a single motor control unit and automatic operation box. 12. The Balranald telephone exchange was converted from manual to automatic operation in 1988 to 1990. 13. The U3 line has fully automatic operation without drivers. 14. In this it differs strongly from other contemporary SLRs, which were designed primarily for automatic operation . 15. In APRS, generic call signs are assigned to repeater stations to allow a more automatic operation . 16. Otherwise the robustness of automatic data acquisition systems operation is bound to availability of automatic operation only. 17. The operation of the Hebron and Halfway loops was converted to semi-automatic operation in the early 1990s. 18. Each engine nacelle included a fire extinguishing system that could be set to an automatic operation mode. 19. It was converted to automatic operation in 1920 and along with the demolition of the lighthouse keeper accommodation. 20. For automatic operation , Roboguard is fitted with infrared sensors that allow it to track people as they move.
