Acer PD726W - Wireless Projection Introduction; System Requirements; I;O Interface Description

Chapter 1 4
Control Panel
Item Description
1 Temp Indicator LED
2 Lamp Indicator LED
3 Power and Indicator LED (Power LED)
4 Source
5 Resync
6 Empowering Key
7 Menu
8 Back
9 Four Directional Select Keys (Keystone)