LT-200CL
16
If the external trigger is input before the EEN generated by the internal trigger is
completely output, the system generates the internal trigger again. In this case, jitter
may occur.
Fig.16 If the external trigger is coincident with the timing of the internal trigger
6.3.6 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 gain white balance and the other is
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
Shutter white balance (only for shutter select and external trigger mode)
Calculates the difference between green and red video levels, and green and blue levels,
and adjusts the red and blue channels‟ shutter speed so that the video level of all three
channels becomes equal.
Command
AH=0
Activate One push shutter AWB
Note:
If gain and shutter white balance are used in the external trigger mode, external trigger
pulses should be continuously provided while white balance adjustment is executing.
