Epson Pro L30002UNL 30,000-Lumen HDR Pixel-Shift DCI 4K Laser 3LCD Large Venue Projector (White) - Manual (Page 24)

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10 Shutter button (turns input signal on or off temporarily)
11 Enter button (selects options)
12 Arrow buttons (move through on-screen options; adjust the focus, zoom, and lens shift)
13 Lock button (displays the Control Panel Lock screen)
14 Light button (lights up the control panel buttons and screen temporarily)
15 Esc button (cancels/exits functions)
16 Arrow buttons (select status information settings)
17 Status display (displays projector status information)
18 Menu button (accesses projector menu system)
Parent topic: Projector Part Locations