Dahua ITC231-RF1A-IR - Page 69

Parameter
Note
Iris Type
Select current lens to use.
Iris Adjust Mode
Select iris adjust method. Different lens types have different adjustment
of iris.
 Default: auto adjust.
 Manual: manually adjust.
Chart 6-22
6.5.2.1.4 Metering Zone
The metering zone interface is shown as in Figure 6-53 Metering Zone.
Select Setting>Camera>Attributes>Metering Zone.
Figure 6-53 Metering Zone
Please refer to the following sheet for log parameter information.
Parameter
Function
Metering zone
 Spot measure: For moving vehicle.
 Full measure: For entire zone.
 Partial measure: For sensitive zone. If the zone is bright, entire zone will be
dark and vice versa.
Backlight/Front
light
According to actual condition, select backlight or front light.
Note:
Spot measure only.