FujiFilm VisualSonics Vevo F2 User Manual page 263

Focused Profile
A focused profile sets transmit delays so that all signals reach a focal point at the same time.
When this type is selected, the following settings are available:
Focal Depth (mm)
l
Steering Angle (in degrees)
l
f-Number
l
Note:
size. Increase the f-number to be more object specific.
Note:
under the text field.
Modes
Focused profile
The f-number is the ratio of the imaging depth to the aperture
If the exact f-number is not possible, the actual value is displayed
Vevo F2 Imaging System User Manual
263