Elmo dvr v5.01 用户手册
7. In the Unit section, select the desired unit of measurement: feet, inches, meters, etc.
8. Draw the Virtual Ruler in the live view screen.
To draw a Virtual Ruler, do the following:
1. Physically measure the height or the area covered in the camera view
2. Draw a mark(s) on that area to signify the start and end points of the ruler
3. Using the mouse, move the cursor to the live view screen in the Virtual Ruler Setup tab
4. Hold down the left mouse button, and drag it in a straight line
5. Adjust or move the ruler if necessary
6. To erase the ruler click Clear
Example,
In the following example the height of the person is exactly 72 inches. The ruler starts with 0 (ground) and ends with
72''. The unit of measurement is inches. The division value equals to 12 inches, thus dividing the virtual ruler into 6 equal
parts.
72''. The unit of measurement is inches. The division value equals to 12 inches, thus dividing the virtual ruler into 6 equal
parts.
Related Topics: Main Screen
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ELMO DVR User Manual v5.01
Virtual Ruler
ELMO DVR Server
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