Interlogix TVB-4105 - Manual (Page 9)

TruVision TVB-2104/4104 and TVB-2105/4105 IR Camera User Manual 7
Select the lens
In the Main menu, go to Lens and select the type of lens used with the camera.
Select DC to adjust the lens setting manually,
DC Lens menu:
Brightness: Select the Brightness level, value from 1 to 100.
Iris Speed: Select the iris speed, value from 1 and 5.
Exposure
In the Main menu, go to Exposure and press Enter. The Exposure menu
appears.
Exposure menu:
Menu Item Description
Shutter 1/50: Fixed value
MANUAL: Define the manual shutter value. Select a higher value to see
movement and a lower value to see clearer images. The values range
from 1/50 to 1/100000.
FLK: Flicker mode avoids interference from light sources.
AUTO: The camera sets the optimum shutter speed. You can define the
maximum shutter speed in AUTO mode. The values range from FLK to
1/100000.