51Adjusting the white balance and black balanceAdjusting the black balance1 Set the switches as shown in the figure.OUTPUT: CAMAUTO W/B switch2 Set the AUTO W/B BAL switch to the ABB position,and then release it.The switch returns to the center, and theadjustment is performed.The black balance needs to be adjusted in thefollowing cases:O When the unit is used for the first timeO When the unit is used after it has not been used fora prolonged period of timeO When the unit is used in an ambient temperaturewhich has fluctuated significantlyO When the value selected for the gain switch hasbeen changedO When the super gain setting has been performedusing the USER buttonO When the gamma ON/OFF setting has beenchanged3 While the adjustment is in progress, the followingmessage appears on the viewfinder screen (butonly when “2” or “3” has been set as the displaymode).While the adjustment is in progress, the lensaperture is automatically set to CLOSE.ABB ACTIVEMessage appearing while the adjustment is inprogress4 Adjustment is completed in several seconds. (Amessage similar to the one shown in the figurenow appears.)The adjustment value is automatically saved in thememory.ABB OKMessage appearing upon completion of theadjustmentO Check that the lens connector has been connectedand that the lens aperture is set to CLOSE.O While the black balance is being adjusted, theaperture is automatically set to the light-shieldingstatus.O While the black balance is being adjusted, the gainselector circuit is switched automatically.Flicker or noise may appear on the viewfinderscreen, but this is not indicative of malfunctioning.O If black shading is not satisfactory even with ABBOK, open the BLACK SHADING screen of CAMMAIN MENU 4, and adjust the black shading.(Refer to page 91.)O When the super gain has been set to ON, the blackbalance is executed at the preset position in thewhite balance memory.