LT-400CL
14
Line rate
>
Exposure time
Fig.11 Exposure setting should be less the line rate
6.3.3 EEN (Exposure Enable) function
This function outputs the timing for image accumulation in all operating modes except
test pattern output. The output can be through both the Hirose 12-pin and Camera Link
connectors. The polarity of this output is negative from the Hirose 12-pin connector and
positive from the Camera Link connector. These polarities cannot be changed.
Fig.12 EEN function
6.3.4 White balance
In this function, the green channel video level is used as the reference. Red and blue
channel levels are adjusted to match with that of the green channel.
There are two ways to adjust white balance: one is the gain white balance and the other
is the shutter white balance.
White balance
Control tool
Command
Rear panel
switch
WB
AH
Gain
○
○
☓
○
Shutter
○
☓
○
☓
Gain white balance
Calculates the difference between green and red video levels, and green and blue levels,
and adjusts the red and blue channels’ video level so that the video level of all three
channels becomes equal.
Command
WB=0 Manual/One push AWB
WB=1 4000K
WB=2 4600K
WB=3 5600K
Exposure B
Exposure G
Exposure R
( I nternal /External )
Tri gger
Line rate (LR) = 20000
Exposure (Rch) =22000
In this case, although the expsore time is set at 22000, but the actual exposure time is limited by the line rate, 20000.
Exposure B
Exposure G
Exposure R
EEN
(I nternal /External )
Tri gger
EEN represents with the longets exposure time among R,G and B