LT Security LTD2516HD-C - Manual (Page 27)

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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.
Setup mask area: click Setting button, enter into live image
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.
Fig 4-10 live configuration-mask
Setup mask area Live image mask area