WDR DAY & NIGHT COLOUR CAMERA WDR DAY & NIGHT COLOUR CAMERA-15-WDR ON WDR OFF3. Select a mode using the Left and Right buttons then press the SET button.Select WDR to adjust the WDR LIMIT and LEVEL.◈ LIMIT: Adjust the WDR sensitivity by selecting LOW, MIDDLE or HIGH.◈ LEVEL: Adjust the WDR brightness between 0 ~ 100.Select BLC to define the backlight enhancement area and the enhancement level.HLC : Enable a user to select a mask color of high light area from picture.WDR LlMITLIMITLEVELLOW100Press SET to ReturnHLC SETUPMASK COLOR 10Press SET to ReturnBLC SETUPTOPBOTTOMLEFTRIGHTLEVEL8513291165LOWPress SET to Return