Chapter2. Introduction And Installation 2 - 11
CW
(Optional)
This is used to turn CW Spectral Doppler Mode on. CW Spectral
Doppler Mode gives information on the speed/direction of blood flow in
the form of a spectral trace and audio signal.
Dual
This is used to turn Dual Mode on. Dual Mode is used to compare two
2D images. Use the Set button Dual button or Update button to
change the activated image in Dual Mode. Press 2D button to turn
Dual Mode off.
Harmonic
This is used to turn Harmonic Imaging on. Press this button again to
turn the mode off. This button is only activated with the specific probe.
Gain/
Freeze/
PGC
This adjusts 2D Gain, 2D Post Gain or activates the Freeze function.
- 2D Gain function – Use the dial in 2D mode to adjust Gain.
- Freeze function – Press the button while scanning to stop the
video scanning. LED of this button in frozen state is displayed as
blue and Cine, Save, Echo Print, and Measurements are
available. Press this button again, LED is displayed as green.
- 2D PGC(Post Gain Control) function - Changes the post curve in
the frozen state to provide effects similar to changing Gain, TGC,
DR, etc.
Gain/
PGC
This adjusts Gain or Post Gain.
Image Adjustment
Focus
This switch is used to focus on the area of interest. Raise/ lower the
switch to raise/lower the focusing point.
Depth
This switch is used to adjust the scanning depth of the image. Raise/
lower the switch to decrease/ increase the scanning depth of an
image.
HD Zoom
Raising this switch causes a Zoom box to appear. Modify the size of
Zoom box with the Change button and Trackball, and press Set
button to apply it to the image.
Press Exit button or adjust Depth switch to exit. The position of the
magnified area can be adjusted with the Trackball.