B-K Medical Pro Focus 2202, User Manual

Page: 148 / 356

148 Chapter 10
The current setting is displayed on the screen next to PRF.
Wall Filter
As in Color mode, you can set the cutoff frequency for the wall filter.
To set the cutoff frequency for the wall filter:
•
Click Wall Filter under Power on the left side of the screen and select the value
you want (or point at Wall Filter and press
[
+/-
]
).
or
•
Press
[
Filter
F
]
to step through the available values.
The current setting is displayed on the screen next to Wall Filter.
Power Mode Frequency
As in Color mode, if an MFI (Multi-Frequency Imaging) transducer is selected, you
can select the Doppler scanning frequency as well as the B-mode scanning
frequency. The view must be scanning when you do this.
To select the Power mode frequency:
•
Press
[
Frequency
c
]
to step through the frequency options.
or
•
Click MFI under Power on the left side of the screen and select the value you
want (or point at MFI and press
[
+/-
]
).
The current value is displayed on the screen next to MFI.
NOTE:
The current scanning frequency displayed at the top of the screen is
always the B-mode frequency.
Persistence
You can adjust the persistence level of the Power mode image. The view must be
scanning when you do this.
To adjust Power mode persistence:
•
Click Persist under Power on the left side of the screen and select the level you
want (or point at Persist and press
[
+/-
]
).
The available values range from 1 (no averaging) to 8 (maximum averaging).
The current setting is displayed on the screen next to Persist.