R5906112-06 UDX series 93Image 8-563. If you want CLO mode to be active, click Enable underneath Constant light output.8.7 Setting up the external coolerUsing the external coolerWhen the external cooler for the UDX projector is installed, the Cooling menu will be enabled and visible in themenu. For more info on installing the external cooler, refer to the installation manual of the UDX.Using the Cooling menu, you can choose between the following cooling methods:• Internal: Use only the internal cooling system of the UDX (default).• External: Use only the external cooling system of the UDX. This method is preferred when the cooler is ina different location than the projector and you want the projector to operate in “silent mode”.• Mixed: Use both the external and internal cooling. Can be used to extend the lifetime of the internal coolerHow to set up the external cooler1. In the main menu, select Installation → Illumination → Cooling.Image 8-57: Illumination menu, CoolingThe Cooling menu is shown.Image 8-58: Cooling menu2. In the Cooling menu, select the desired cooling option.GUI – Installation