JVC VN-685U - Manual (Page 105)

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A White Balance (continued)
B Gain Adjusts the B (blue) hue during AWC.
[+]
: Increases the blueness or blue level.
[-] : Decreases the blueness or blue level.
Memo :
● Click the [+] or [-] button once to change to the next value. To change the value continuously,
click repeatedly. The value will not change if the button remains pressed down.
[AWC]button Executes AWC (automatic white balance control).Execute by placing a white object
around the center of the screen in a location with a lighting condition that is similar to the
object to be shot.
● Pressing the [AWC] button replaces the [R Gain]] and [B Gain] valueswith the values of
the AWC execution results.
● Even when [White Balance] is set to AATW-NarrowB, AATW-WideB, pressing the [AWC]
button switches the mode automatically to AWC.
B Iris This item sets the iris.
Mode When Auto -1, Auto, or Auto +1 is selected, the iris is adjusted automatically.
Manual You can also adjust using the [+] and [-] buttons. In this case, the iris will change while the
button is being pressed. It will stop when the button is released.
C Back Light
Compensation For selecting the backlight compensation feature. Set this feature when there is a bright
light source in the same direction as the object. Enables unwanted light sources to be
excluded from the photometry area.
Mode Off : No backlight compensation.
Area1 to Area4 : For selecting a photometry area from the four available types.
[Setting value:Off, Area1, Area2, Area3, Area4]
Memo :
● The backlight compensation area is not linked to digital PTZ.
D B/W Mode This sets the function to switch from Color to B&W mode.
Mode Color : Always be in Color mode.
Black & White : Always be in B&W mode.
Auto : Auto Low,Auto Mid,Auto High
: This item automatically switches between Color Mode and B&W
Mode when the luminance meets defined conditions for over 30
seconds. Select the sensitivity from three options.
[Setting value:Color, Black & White, Auto]
Memo :
To ensure a successful B&W/Color switching
● If the [B/W Mode] item is set to AAuto Low, Auto Mid, Auto HighB, the B&W/Color
setting can be switched according to the brightness of the object, but the condition of
illumination and field angle may make this impossible. To be absolutely certain of
B&W/Color switching, connecting external sensor to alarm input cable of this camera
and setting alarm action of B&W mode is recommended.
Off Area1 Area2 Area3 Area4
Photometry
Area
Photometry
Area
Photometry
Area
Photometry
Area
Photometry
Area