If the setting of the FILTER selector is changed, a message reporting the setting appears for about 3 seconds in the setting change and adjustment progress message display area of the viewfinder screen (in display mode 3).

3 Place a white test card under the same lighting conditions as for the subject to be shot and zoom up to it.

Alternatively, any white object such as a cloth or a wall can be used.

The absolute minimum white area is as follows:

Rectangle centered on the screen. The lengths of the sides are 70% of the length and width of the screen.

The white object must be within the rectangle and have an area of at least 10% of the screen.

Note

Make sure there are not bright spots in the rectangle.

4 Adjust the lens iris.

Manually adjusted lens: set the iris to an appropriate setting.

Lens with automatic iris: set the automatic/manual switch on the lens to automatic.

5 Push the AUTO W/B BAL switch to WHT and then release the switch.

AUTO W/B BAL switch

The switch returns to the center position, and the adjustment is executed.

During adjustment, the message “AWB : EXECUTING” is displayed on the viewfinder screen (in display mode 2 or 3).

The white balance adjustment ends in about one second with the message shown in the following

figure, and the adjustment setting is automatically stored in the memory (A or B) that was selected in step 1.

 

 

 

 

 

Approximate color

 

AWB:OK

 

 

 

 

. K

 

 

temperature of the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

subject

 

 

 

 

 

 

 

 

 

 

 

 

Note

If the camera has a zoom lens with an automatic iris, the iris may hunt 1) during the adjustment. To prevent this, adjust the iris gain knob (indicated as IG, IS, or S) on the lens.

1)Hunting

 

 

 

 

 

 

Repeated brightening and darkening of the image, resulting from

4Chapter

For details, refer to the lens operation manual.

repeated response to automatic iris control.

 

If the automatic white balance adjustment

Adjustments

 

cannot be made

 

 

 

If the white balance adjustment cannot be completed

and

normally, an error message will appear for about 3 seconds

Settings

on the viewfinder screen (in display mode 2 or 3).

 

Possible messages are listed below.

for

 

 

 

White balance adjustment error messages

Recording

 

 

 

 

 

Error message

Meaning

 

 

AWB : NG

The white video level is too low.

 

 

LOW LEVEL

Either open the lens iris or increase

 

 

 

the gain.

 

 

 

 

 

 

AWB : NG

The color temperature is too high.

 

 

COLOR TEMP HIGH

Select a suitable filter setting.

 

 

 

 

 

 

AWB : NG

The color temperature is too low.

 

 

COLOR TEMP LOW

Select a suitable filter setting.

 

 

 

 

 

 

AWB : NG

Adjustment could not be completed

 

 

TIME LIMIT

within the standard number of

 

 

 

attempts.

 

 

 

 

 

 

AWB : NG

The white area could not be

 

 

POOR WHITE AREA

checked.

 

 

 

 

 

 

AWB : NG

The white video level is too high.

 

 

OVER LEVEL

Either stop down the lens iris or

 

 

 

change the ND filter.

 

 

 

 

 

 

If any of the above error messages is displayed, retry the white balance adjustment. If the error message occurs again, contact your Sony service representative.

Adjusting the Black Balance and the White Balance

55