GE H
EALTHCARE
DRAFT
V
OLUSON
E8 / V
OLUSON
E6
D
IRECTION
KTD102576, R
EVISION
7
DRAFT (A
UGUST
23, 2012)
S
ERVICE
M
ANUAL
Chapter 4 - Functional Checks
4-17
4-4-5
Color Doppler Mode Checks
NOTE:
Different menus are displayed depending on which Color Doppler Mode (CFM, PD, HD-FLow or TD) is
selected.
NOTE:
After pressing the
PD
key on the control panel, the
HD-FLOW
key (to activate the Bi-Directional Angio
Mode) can be seen.
Figure 4-15 CFM Main and CFM Sub Menu
Table 4-5
Color Doppler Mode (CFM, PD, HD-Flow, TD) Functions
Step
Task
Expected Results
1
Color Box Position and
Color Box Size
Adjust the Box- Position resp. Size with the
TRACKBALL
in the 2DSingle image.
The
upper trackball key
changes from Box position to Box size.
2
CFM Gain
PD Gain
HD-Flow Gain
TD Gain
Rotate the
C MODE
key to ensure that continuous flow is displayed, where appropriate.
Rotate the
PD MODE
key to adjust the Power Doppler Gain
Rotate the
PD MODE
key to adjust the Bi-Directional Angio Gain
Rotate the
C MODE
key to adjust the Tissue Doppler Gain.
3
STEERING
Beam Steering is only possible with linear probes in CFM, PD and HD-Flow Mode.
4
2D+2D/C (PD, HD-Flow
or TD)
Changes the Single image display to two simultaneous half images. The left frame shows only
the 2D Mode image. The right frame shows the 2D Mode image with color information.
5
INVERT
The color of the color wedge inverts around the baseline. (impossible in PD Mode)
6
ZOOM
Image magnification (PAN-Zoom) in read- and write mode.
7
QUALITY
Improves the Color Resolution by reducing the image frame rate, respectively vice versa.
8
WMF
(Wall Motion Filter)
Used to eliminate Doppler “noise” that is caused by vessel wall or cardiac wall motion.
(CFM,PD, HD-Flow)
9
PRF
By touching toward up the PRF increases. By touching toward the PRF decreases.
10
THRESHOLD
After
FREEZE
you can adjust the Color Threshold. It eliminates small color noise or motion
artifact signals in the color image. (small number cuts off less signals than a higher setting)
11
DISPL. MODE
To select the CFM- Display Mode (V; V-T; V-Pow; Pow-T; or T).