48Adjusting the white balance and black balanceAdjusting the white balance3 Erect a white pattern at a place with the sameconditions as the source of light illuminating thesubject, zoom in, and shoot the white of the patternon the screen.A white object (such as a white cloth or white wall)near the subject may be used as a substitute forthe white pattern.The size of the white object required is shown inthe figure below.4 Adjust the lens aperture.5 Set the AUTO W/B BAL switch to AWB, and thenrelease it.The switch returns to the center, and the whitebalance is automatically adjusted.At least one-fourth ofthe screen widthAt least one-fourth ofthe screen heightTake care to keep high-brightness spots off the screen.6 While the adjustment is in progress, the followingmessage appears on the viewfinder screen (butonly when “2” or “3” has been set as the displaymode).AWB ACTIVEAUTO W/B BAL switchMessage appearing while the adjustment is inprogress7 Adjustment is completed in several seconds. (Amessage similar to the one shown in the figurenow appears.)The adjustment value is automatically saved in thememory (A or B) which was set in step 1.AWB A OK 3.2KMessage appearing upon completion of theadjustment8 A message such as the following appears if thecolor temperature of the subject is lower than 2500K or higher than 5600 K.The downward pointing arrow indicates that thecolor temperature is lower than the displaytemperature; conversely, the upward pointingarrow indicates that the it is higher than the displaytemperature.When a zoom lens with an automatic aperturefunction is used, aperture hunting may occur. Adjustthe aperture’s gain control (marked as IG, IS, S, etc.)provided with the lens.For details, refer to the operating instructions whichaccompany the lens.Hunting:The auto iris response is repeated, causing the brightness levelsof the image to become inconsistant.AWB A OK 2.5K mWhen the color temperature is lower than 2500 KAWB A OK 5.6K mWhen the color temperature is higher than 5600 K
