CFM Mode
8.2.3 Quality
This control improves the Color Resolution by reducing the image frame rate alternatively it reduces
the Color Resolution by increasing the image frame rate.
Quality control (flip switch)
There are three steps for the Color Quality:
high:
higher Color resolution/ lower frame rate
norm:
normal Color resolution/ medium frame rate
low:
lower Color resolution/ higher frame rate
Remarks:
*
The current quality status is displayed in the status are and on the screen [Qual ...]
*
Changing the Quality is only possible in write mode!
8.2.4 WMF
A Wall Motion Filter is used to eliminate Color “noise” that is caused by vessel wall or cardiac wall
motion and that is low in frequency but high in intensity. Use a wall filter that is high enough to
remove the audible thumping of the walls of vessels or the heart, but that is sensitive enough to retain
grayscale spectral information near the baseline. The WMF control is used to change the wall motion
filter.
The settings are: low1, low2, mid1, mid2, high1, high2 and max.
Use the
[
WMF
]
flip switch to adjust the required Wall Motion Filter.
Switching up increases the filter.
Switching down decreases the filter.
Remarks:
*
The Wall Motion Filter is user-selectable but the actual cutoff frequencies vary depending on
the
[
PRF
]
control setting. The lowest wall motion filter cutoff frequencies cannot be used with
the higher PRF setting. Likewise, the highest wall motion filter cutoff frequencies cannot be
used with lower PRF setting.
*
Changing the WMF is only possible in write mode!
*
The suitable WMF-filter is automatically calculated and adjusted when the PRF is changed.
Voluson
®
730Pro - Basic User Manual
105831 Rev. 0
8-5
Содержание Voluson 730Pro
Страница 1: ... B BA AS SI IC C U US SE ER R M MA AN NU UA AL L GE Medical Systems Kretztechnik GmbH Co OHG ...
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Страница 411: ...Biopsy Setup 19 Biopsy Setup 19 2 19 1 To Program a Biopsy Line 19 3 Voluson 730Pro Basic User Manual 105831 Rev 0 19 1 ...
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Страница 446: ...Connections 21 2 1 Main Module Voluson 730Pro Basic User Manual 21 4 105831 Rev 0 ...
Страница 458: ...Connections 21 2 11 ECG preamplifier MAN Connection Voluson 730Pro Basic User Manual 21 16 105831 Rev 0 ...