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temperature alarm. Please refer to Section 4.9 sound alarm .
2. Click the ROI position move button, and lightly press the four direction keys
(up, down, left and right)or directly press the ROI to move position.
3. Click the ROI area resize button, and slightly press the four direction keys (up,
down, left and right)or directly press the ROI to adjust the ROI size.
4. Click the ROI emissivity button and choose the emissivity value or find
material type in the emissivity material table.
5. Click on other areas of the screen, or click the back button to complete the
ROI adjustment and setting.
4.8.4 Delete ROI
There are two ways to delete ROI: Delete selected ROI and delete all ROIs.
Delete Selected ROI
To remove the selected ROI, please perform the following steps: