Optoma EH503 - Manual (Page 60)

English 60
Options | Remote Settings
Function 1
Set F1 key as a hotkey for Brightness, Contrast, Color, Color Temp. or
Gamma function.
Function 2
Set F2 key as a hotkey for Source Lock, Projection, Lamp Settings, Mute,
Digital Zoom or Volume function.
IR Function
Enable or Disable projector’s IR function.
Remote Code
Press ◄► to set Remote custom code and press (Enter) to change to
the setting.
User Controls