This parameter sets the Target White value used in Snapshot and Video Viewfinder modes when using auto exposure.
Type: Byte
Range: 1–240
Image Brightness (3 digits) - Represents the image brightness value. White and black are defined as 240 decimals and 1, respectively.
180 - Sets the white level of the image to ~180.
Scan Image Brightness, and then scan three numeric barcodes from Numeric Barcodes representing the value. Leading zeros are required. For example, to set an Image Brightness value of 99, scan 0, 9, 9.