When the objects in the long and short
distance are under the same surveillance
area
When there is no contrast (white and black)
in the object (e.g. sky or wall)
When the thin horizontal line is captured
5.2.3. White Balance
The White Balance function corrects the abnormal white colour into
the normal white colour under any colour temperature lighting.
Select the mode among ATW, AWC and Manual. ATW is selected
by default.
WB Mode
ATW
Balances the colour automatically depending on the source of
light from 1,800~10,500K colour temperature.
Indoor[ATW(I)] : Use this mode in the area under the limited
colour temperature.
Outdoor[ATW(O)] : Use this mode in the area under the broad
colour temperature.