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Imaging Mode
7.4.14
CW Mode
CW Mode Overview
CW Mode allows observation of the highest speed and characteristics of
blood flow using continuous wave Doppler signal.
CW Mode Main Menu Controls
Table 7-38: CW Mode Main Menu Controls
Parameter
Sweep
Volume
Rev 1.00
1
Angle correction marker
3
CW cursor line
5
Angle Value
7
Time scale
9
CW Mode parameters window
11
Velocity scale
Description
Adjusts the horizontal refresh rate of the Doppler area of
the display. The selected sweep is correspondingly dis-
played in the time scale.
Regulates PW sound spectrum. When normal noise is low,
the sound spectrum is more obvious. When PRF value is
low, the noise is relatively low. When PRF value is high, the
noise is brighter.
Figure 7-35: CW Mode Screen
2
4
6
8
10
12
Chapter 7 - System Operation
Sample Volume
Invert marker
Doppler baseline
Frequency scale
CW Mode Soft menu
CW Mode Main menu
157
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