Sony HDCAM HDW-700A Operation Manual page 77

Note
Make sure there are not bright spots in the rectangle.
4
Adjust the lens iris.
If the lens is manually adjusted, adjust it as appropriate.
If the lens has automatic iris, set the automatic / manual switch
on the lens to automatic.
5
Push the AUTO W / B BAL switch to WHT and release the switch.
The switch returns to the center position, and the adjustment is
completed.
During adjustment, the message "AWB:EXECUTING": is displayed in
the lower left portion of the viewfinder screen.
The white balance adjustment ends in a second with the message
"AWB:OK AWB MEM:A", and the adjustment setting is automatically
stored in the memory (A or B) that was selected in step 1.
Chapter 4 Adjustments and Settings for Recording
4
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