Dahua IR High Speed Dome Camera User Manual page 8

 Day&night IR-sensible camera module equiped inside. In the daytime, it
is in color mode, the image is vivid; at night, it turns to Black&white
mode, the image is crisp. Thus, all day long (24hours) monitoring is
realized.
 Adopting full-functional high-performance DSP design, performance
stable
 Multiple protocol and baudrate supported, high compatibility.
 EEPROM data storing method adopted, so that the internally saved
data will not lose when power off
 Powerful OSD Menu: 4 kinds of input methods. All the functions of the
Pan/Tilt and the Camera Module can be configured and run through
OSD menu.
 128 preset positions for accurate location, 1 Left & Right scan, 4 tours, 4
pattern scan, 8 privacy mask zones.
 Support Idle Time function: According to actual requirement, the user
can configure the function that the IR High-speed Dome Camera should
carry out in idle time. The functions that can be set as Idle Time function
includes Invoking Preset Positons, Left & Right scan, Tours etc.
 Support wire alarm function, 4 channels in, 1 channel out
 Memory recalling function once power on after power off
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