power-off/slide-select bar
/ˈpaʊəɹˈɒf ˈslaʃ ˈslaɪdsɪlˈɛkt ˈbɑː/
n
English · power-off/slide-select bar中文 · 断电滑动选择杆Español · palanca corrediza de selección de diapositivasFrançais · commande de sélection manuelle
意味：Button that causes the slide tray to advance manually so that a specific slide can be selected.