LT Security LTD7904 - Manual (Page 26)

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Digital Video Recorder User Manual
4.2.4 Mask
User can setup private mask area on the live image picture, max threes areas.
Fig 4-10 live configuration-mask
Setup mask area: click Setting button to enter into live image. Press left mouse and drag mouse to set mask area referring to
below picture. Click Apply button to save the setting.
Delete mask area: select a certain mask area and click left mouse to delete that mask area. Then click Apply button to save the
setting.
Setup mask area Live image mask area