Sony DCX-930 - Page 30

Adjusting the Black Balance
In the following cases, it is necessary to adjust the black
balance so that the lower video level portions of the
output image are of correct tones:
¢ when using the camera for the first time;
e when using the camera after a week or longer period
without using it; or
¢ when using the camera after the temperature has
changed dramatically.
The black balance setting is preserved even when you turn
off the power, and it is not normally necessary to re-adjust
it after you turn on the power again.
2 Press the BLACK button.
screen.
¢ If the color bars signal is displayed on the screen,
press the BARS button to make it disappear.
© If the menu is displayed on the screen, press the
MENU button to make it disappear.
1 Keep the camera picture displayed on the monitor |
Automatical black balance adjustment begins and is
accomplished in several seconds. The “BLACK: OK”
message appears on the monitor screen, and the
adjusted black level is stored in memory
automatically.
(Unless re-adjusted, the stored level will be preserved
for about 10 years.)
¢ The iris of the lens is automatically closed when you
press the BLACK button, and remains so until the
end of the black balance adjustment. If you were
manually controlling the lens iris before pressing the
BLACK button in step 2, you need to reopen it after
adjustment because otherwise it will remain closed.
© During the adjustment the gain control circuit
operates, so the monitor screen flickers several
times. Note that this is not a fault.
Chapter3 Shooting | 3-3(E)