Operations
：
1
．
Backlight mode
：
click “IRIS+” to enter ,move the joystick up or down to open or close backlight mode
；
4.5
．
PRIVACY MASK > setting
move the cursor to<PRIVACY>
，
click“IRIS+” to enter submenu. Show as Picture19
：
Detail operations
：
1
．
Masking number
：
click “IRIS+”to choose masking number. move the joystick up or down to choose
1-8 masking number
；
2
．
Setup new mask
：
click“IRIS+”to setup new mask. Move the PTZ or zoom to choose the object needed
to cover and be sure the object is in the middle of the monitor
，
again click“IRIS+”to
set the size of the area. It appears a black rectangular area in the middle. At this
moment moving up means reducing the area vertically and moving down means
increasing. Moving left means reducing the area horizontally and moving right means
increasing. Click “IRIS+” to finish setting and return. show as Picture20-21
：
<
Infrared Intelligent High Speed Dome Camera Operating Manual
18
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BACKLIGHT
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>setting:
Picture19<
PRIVACY
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setting: