ACUSON Cypress™ Operator’s Manual 5-39
Continuous Wave Doppler (CW) Scanning
Activate the CW Display
To activate the CW spectral display, follow these steps:
1. Press the CW mode key once. The 2D sector is live and the Trackball is
assigned to the
CW cursor line.
2. Position the cursor to the desired portion of the image, and press CW a sec-
ond time. This freezes the
2D image and activates the CW spectral display.
3. Pressing CW again toggles between the active spectrum and the real-time
sector image. You can also reposition the
CW sample while the 2D image is
frozen. The cursor in the
2D image will move but the 2D image will remain
frozen.
Main Knob Controls Volume and CW Gain
When you press the CW mode key two options appear—Volume and CW Gain.
They are controlled by the Main knob. Press the Main knob to toggle between
the options.
Volume Increases or decreases the amplification of the audio signal sent to
the system speaker.
CW Gain Turn the knob clockwise to increase the amplification of the Dop-
pler signal. Turn counterclockwise to decrease.
In Freeze mode, turn the Main knob to scroll through the frames.
CW
TO SWITCH
BETWEEN
VOLUME AND
GAIN, PRESS
THE MAIN KNOB
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