Scanning Modes
Vivid i User’s Manual
99
2378958-100 Rev. 02
The Doppler Power
setting affects only
Doppler operating
modes.
•
Adjust Power to obtain an acceptable image using the
lowest setting possible. This is particularly important in CW
mode, as the energy duty cycle is 100% (constant).
Adjust the following settings to further optimize the display of
the image.
• Use
the
Horizontal sweep
to optimize the sweep speed.
•
To view signal detail, use the
Velocity range
to enlarge the
vertical spectral Doppler trace.
• Use
Invert
to reverse the vertical component of the spectral
Doppler area of the display.
• Use
Angle correction
to steer the ultrasound beam to the
blood flow to be measured (Not typically required during
cardiac studies).
CAUTION
Use all noise reduction controls with care. Excessive
application may obscure low level diagnostic information.
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