24Operation7.2.2 Menu navigationAfter initialization of DELOLUXcontrol, the basic view/start screen is displayed. The sensorselection depends on the last selected detector head. The current measuring value, thedetector head type incl. serial number as well as the selected adapter (in case of UVA orBLUE) resp. the wavelength (LED detector head) are displayed.When interchanging a detector head, the head is to be selected according to the abovemenu structure. The sensor is not automatically recognized when it is plugged into thedisplay unit.Every key is occupied with a dual function.Key Description Functions / modesmenu / enter: Mode 1 – Measuring viewStarting point: Switched off device or start screenThe device is switched on or off. When switching off, thekey must be pressed for a certain period of time (approx. 2 s)until the display goes out.Mode 2 – Configuration viewStarting point: Submenu of start screenAnother function of this key is the confirmation of the menuselection or the parameter setting, or the navigationto the submenu.Further menu points as well as sensor, adapter size or wavelength are selected by thearrow keys:Key Description Functions / modesrun / stop Mode 1 – Measuring viewStarting point: Start screenWith this key, the displayed value can be kept (Hold). Thecurrent measuring value is frozen. The value display isactivated again (RUN) by pressing the key again.Mode 2 – Configuration viewStarting point: Submenu (e. g., detector selection)The key arrow is activated in the submenu. That means thatit is possible to navigate between the menu points. With thiskey, you can navigate upwards.