User’s Manual47Backlight Compensation.• AUTOIn this mode, the PTZ Camera will operate the WDR function automatically.• ONUnder the item, users can define three parameters’ value: RATIO LEVEL(000 ~ 128), SHUTTER SPEED (000 ~ 128) and IRIS OFFSET (000 ~ 128),as shown in the following column.• EXITExit the WDR FUNCTION menu and go back to the MAIN PAGE 3 to carryon setup of privacy mask.3.3.21 PRIVACY MASKThe Privacy Mask function aims to avoid any intrusive monitoring. Users can adjustthe camera view position using the joystick, and adjust the mask size and area viathe direction keys on the control keyboard. The PTZ Camera will memorize thecenter of the selected view as an original point, so the joystick will be locked as usersenter the SET MASK menu (mentioned later). Refer to the following description forsetting privacy masks.NOTE: The Image Flip function (for all models) and the Image Inversefunction (for 23× and 35× models) will be disabled automatically while thePrivacy Mask function is enabled.MAIN PAGE 3IR FUNCTION AUTOALARM SETTING ENTERWDR FUNCTION OFFPRIVACY MASK ENTERTIME SETTING ENTERSCHEDULE ENTEREXIT OSD YESWDR MODERATIO LEVEL 000SHUTTER SPEED 000IRIS OFFSET 000EXIT YES