11. For some payloads, the crew had a keyboard / display unit , for additional control. 12. It had enough room to squeeze in one of the above-mentioned LCD display units . 13. More exotic digital plug ins used the mainframe oscilloscope as a mere display unit . 14. It has leased space at Jugostroj, a state-owned manufacturer of refrigerated display units for supermarkets. 15. The bidders would view a large TV display unit on which bids would be displayed. 16. There are lists of restorers, framers, sources for display units , lighting specialists and conservation organizations. 17. Cab signals are presented to the locomotive by means of a cab signal display unit . 18. The information displayed is determined by the system interfaces where the display units are fitted. 19. Thus, spares holding is simplified : the one display unit can be fitted in any position. 20. This was addressed in the later Gee display units in the aircraft ( see below ).