Dahua ITC231-RF1A-IR User Manual page 68

Exposure mode
Scene mode
Sharpness
WDR
Gain mode
6.5.2.1.3 Iris
By adjusting step length, you can adjust image effect. See
Select exposure mode: auto and manual. You can set manual exposure mode
as 1/50～1/10000. You may also customize.
Set scene mode according to device environment.

Disabled：disable scene mode.

Default ： select Full Auto, High Color Temperature, Low Color
Temperature, Auto Color Temperature or Partial Auto.

Customized：select Home, Office, Night or Customized Color Temp.
Set sharpness of each scene. The higher the value, the higher the contrast of
detail will be and the image is clearer. But when this value is too high, image will
have higher noise.
Set WDR of each scene.
Lower brightness in highly bright area, and improve brightness in relatively dark
area, so images in these areas can both be clear. The higher the value, the
higher the WDR will be.
 Auto gain, set auto gain range.
 Fixed gain, set fixed gain value.
Figure 6-52 Iris
Figure 6-52 Iris
.