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BLC
On or Off
5.
Back-Light-Compensation, a function used for adjusting the exposure level
automatically in the conditions that lens is facing strong spot light source,
which normally drives AES or AISHUT too much and cause object too dark.
Off :To utilize this function, turn it on with the ON/OFF selection firstly
On : BLC AREA, make proper mask to block the light source. To do that,
user must situate the lens to cover the target precisely
BLC LEVEL, choose an appropriate sensitivity for the function
AGC
AGC stands for Automatic Gain Control. It maintains video level as
6.
constant against variable input levels, therefore keeps the brightness of
image stable.
There are 9 optional levels of headroom for the AGC setting. Factory default
is set to the maximum level of 18dB which gives the maximum dynamic
headroom. The smaller number, while has less dynamic range, responds
faster to get stable image during the changes of brightness.
White BAL
7.
Color tone function is mainly about color temperature setup. Two options are
offered to users, with default of
ATW function, standing for Auto-Tracking-White balance, will monitor the
ambient color temperature and makes adjustment to the white balance of
video output automatically by the internal microprocessor. The operation
range of color temperature is from 2,500 to 9,500
User may decide the preferred color temperature with ATW level function.
ATW level allows user to choose more blue or more red the background is.
AWB standing for Auto-White-Balance, is a conventional way which
requires a reference target in white color to be shot for white balancing. The
drawback of it is, if the color temperature keeps on changing, such
adjustment will be needed frequently. Like ATW, the AWB also provides
option to user for more blue or red.
For advanced color adjustments, use options R-Y and B-Y. However, these
will demand more practical experience, so it is suggested not to make such
change on these unless skilled advisor is available.
To switch between ATW and AWB, enter White Balance to make the change
.
User's manual
ATW / AWB and related adjustments
ATW
o
K.
.
40
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