3 white balance control, 4 backlight – EverFocus EZ550 User Manual
Page 30
C H A P T E R 3 O S D M E N U A N D C O N F I G U R A T I O N
28
3.3.3 WHITE BALANCE control
The screen color can be adjusted by using the WHITE BALANCE function.
1. Please direct the arrow to point to “WHITE BAL” on the SETUP menu by turning
the mini-joystick UP
(c) or DOWN (d).
2. Please select the mode you would like to operate by turning the mini- joystick LEFT
(e) or RIGHT (f).
Please select one of the 3 modes below:
Ö
ATW (Auto Tracking White Balance): This mode can be used within the color
temperature range from 2,500°K to 8,300°K (eg, fluorescent light, outdoor, sodium
vapor lamp or inside tunnels).
Ö
AWC (Auto White Balance Control): Press mini-joystick while the camera is directed
at a piece of white paper to get the optimum state under the present illumination. If
the environment and the light source are changed, you need to adjust the white
balance again.
Ö
MANUAL: The manual adjustment mode enables a more precise adjustment. Please
select ATW or AWC first. Then change to manual adjustment mode and press mini-
joystick. Set the suitable color temperature, and increase or decrease the red and blue
color values at the same time while checking the color changes of the object.
3.3.4 BACKLIGHT
Even there is a massive backlight behind the object, bright images of the background and
the object can still be obtained by using the BACKLIGHT function.
1. Please direct the arrow to point to “BACKLIGHT” on the SETUP menu by turning
the mini-joystick UP
(c) or DOWN (d).
NOTE:
Under the following conditions, the WHITE BALANCE function may not operate well. In
such cases, please select the AWC mode.
○
1 When the object’s surroundings have a high color temperature.
○
2 When the object’s surroundings are dark.
○
3 If the camera faces a fluorescent light directly or is installed in a place where the
illumination changes constantly, the WHITE BALANCE function may become unstable.
SETUP
LENS DC <┘
SHUTTER ___
> WHITE BAL. MANUAL <┘
BACKLIGHT OFF
AGC MIDDLE
DNR LOW
SENS-UP AUTO <┘
SPECIAL <┘
EXIT
WHITE BAL.
RED |+++++++++| 32
BLUE |+++++++++| 39