Figure 4-2 Set the Presets for fire detection
2. Divide the scan area into three parts and set a preset every 120°. The black numbers are
presets, and the red numbers are scan areas.
3. Set the presets according to the sequence of patrol path: 1->2->3->1->4->5->6->4.
Note
• When set the presets, you should adjust the zoom ratio to view the image of both optical
channel and thermal channel clearly.
• The recommended zoom ratio of optical channel and patrol speed shows in the table below.
Table 4-1 Table of optical channel zoom ratio and patrol speed
16.7-1000
（
focus
distance
）
12.5-775
（
focus
distance
）
15.6-500
（
focus
distance
）
6.7-330
（
focus
distance
）
10-320
（
focus
distance
）
5.6-208
（
focus
distance
）
the left column is optical ratio, the right columns are speed level.
15
km
15
4
20
4
/
/
/
/
/
/
/
/
Thermal & Optical Bi-spectrum PTZ Network Camera User Manual
15
