HIKVISION DS-2TD4166-25/V2

User Manual of Thermal Bi-spectrum Network Speed dome
© Hikvision
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Iris+/- button.
7. Optionally, you can click Clear to delete the saved scan area.
8. Click Save to save the settings and the Linear Scan Area shows Scan area saved.
9. Click Start Linear Scan and Stop Linear Scan to start and stop the saved linear scan.