Scanning
5-22 ACUSON Cypress™ Operator’s Manual
Activate the 2D Display
To activate the 2D display:
1. Press the 2D mode key once.
NOTE
2D is the default scanning mode for the Cypress system.
NOTE The shallowest 10% of the scanning depth (nearest the transducer
face) is not displayed. For example, if a scanning depth of 16.2 cm is
selected, the shallowest 1.6 cm is not displayed. To view the extreme
near field, reduce the scanning depth.
Time/Gain Compensation (TGC) Controls
The time/gain compensation (TGC) controls are six slide-pots that adjust the
amplification of the
2D image data. Each slide-pot is associated with a scanning
depth:
Slide-pots at the top of the slide-pot console control near-field amplification.
Slide-pots at the bottom of the slide-pot console control far-field amplification.
Main Knob Controls Compress and Gain
When you press the 2D mode key, two options appear—Compress and 2D
Gain. They are controlled by the Main knob. Press the Main knob to toggle
between the options. The current setting is shown in the upper left portion of the
screen.
Compress Adjusts the presentation of the 2D image by changing the
Dynamic Range settings.
2D Gain (the system default) Turn the knob clockwise to increase the overall
amplification of the 2D image data. Turn counterclockwise to decrease.
In Freeze mode, turn the Main knob to scroll through the frames or to select the
playback speed.
2D
TO SWITCH
BETWEEN
COMPRESS AND
GAIN, PRESS
THE MAIN KNOB
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