10. Controller orientation10.11 Layer buttonsOverviewImage 10-101 Background button + 8 Layer buttons.2 LED (Red or Green).3 Contextual Display (show the range of buttons — e.g. 1–8).4 Arrow buttons (up and down).5 Layer Operator buttons.DescriptionThere are 9 Layer buttons with as many pages as supported by the system. The red or green LEDs under these buttons indicatethe selection of layers. The first button is ALWAYS background layer and therefore marked BG.LED color under Layer buttons are RED and GREEN:LED color DescriptionRed Selected on PGMGreen Selected on PVWButton 2 – 9 is marked 1/8 on top and 9/16 on the bottom of the button.The contextual Display above the button marked 8/16 will show the range of buttons 1 – 8, 9 – 16 etc. Use the Arrow (up and down)to change the range.Layer Operator ButtonsThe six larger buttons to the left of the Layer buttons are Layer Executor buttons mapped to the corresponding functions in theEMTS. These are further explained below in chapter "Controller Operation", page 323.R5905948 EVENT MASTER DEVICES 17/07/2017 297