19
2-2 Adjusting the brightness of image
Main Operation
2-2-2
Shutter Speed
Set the shutter speed to match the speed of movement of the measurement
target and the lighting environment.
MENU mode - [Setup] - [Cameras] - [Shutter Speed]
Note
Guidelines for setting shutter speed
Shutter speed characteristics are as follows. Select the appropriate shutter
speed to suit your inspection requirements.
2-2-3
Gain Setting
The sensor's gain (sensitivity) can be adjusted if bright images cannot be
obtained just by the Shutter Speed and Light Control settings.
MENU mode - [Setup] - [Cameras] - [Gain]
Note
Guidelines for setting gain
Increasing the gains results in a brighter image, however, the noise compo-
nent contained in the image also becomes more conspicuous. Select the
appropriate gain factor to suit your inspection requirements.
Setting value
Description
1/170 to 1/20000 s
Fixes the shutter speed to the desired value. Only available
candidate shutter speeds are displayed. The candidates dif-
fer with the camera that is connected and setup conditions.
Shutter Speed
Speed of Movement of Measurement Target
1/170 s
•
1/20000 s
Slow
•
Fast
Setting value
Description
x 1.0, x 1.5, x 2.0
Sets the gain factor.
x 1.0: The gain factor is not changed. (default value)
x 1.5: The gain factor is set to 1.5X.
x 2.0: The gain factor is set to 2.0X.
Gain
Image
Image Quality
x 1.0
•
x 2.0
Dark
↑ ↓
Bright
Good (little noise)
↑ ↓
Coarse (conspicuous noise)
Z01E-EN-01+ZFX+SettingGuide.book Seite 19 Mittwoch, 13. Februar 2008 2:38 14
