17 Rev 0014.3.3 Measurement optionsThis menu enables the selection of options for temperaturemeasurements. The symbols shown below indicate the icons shown forHotkey 1 when the various options are selected. See frequently askedquestions for more details of each item.• CursorsChoose between one or two cursors. When two cursorsare selected, the temperatures at both cursors and thetemperature difference between them will be displayed. Whenone of the cursors is selected by Hotkey 1, it can be movedaround on the display by the navigation buttons.• Cursor TrackingSelect “High”, “Low”, or “High & Low” in order to track andmeasure the hottest point, the coldest point, or both hottest andcoldest points in the image.• Area analysisIf this option is turned on, the highest, lowest, and averagetemperatures within the designated area will be displayed. Threedifferent area size boxes can be selected via Hotkey 1.• IsothermSelect “High”, “Low”, or “High & Low” in order to highlightareas of the scene with temperatures within one or two temperaturebands. The temperature bands are adjustable by means of Hotkey 1and the navigation keys.NOTE:The above three items are mutually exclusive, i.e. whenone is turned on the other two are disabled.