Using the System
Trackball Arbitration Icon
For example, the functions of the left and right trackball buttons can include:
• Cycle through cineloop sequences when the image is frozen or in Review.
• Erase traces.
• Select measurements within a group.
The functions of the middle trackball button include:
• Activate the spectral trace in M-mode and Doppler imaging.
• Complete measurements and calculations.
The labels under the trackball image indicate the functions that are available for the entire
For some measurements, the trackball functions become available only after you press
Also, you can configure the left and right trackball buttons by using the Left Select Key and
Right Select Key settings in the Tools & Results tab of the Analysis setups.
Soft Key Controls
Soft key controls (knobs that can be pressed and turned) are located along the top of the
control panel. Two rows of labels for soft key functions and settings appear along the bottom of
the touch screen. Each column of labels corresponds to the soft key below it on the control
panel. The soft keys select imaging features and settings. The functions of the soft keys change
depending on the mode, the application, the preset, and the transducer.
EPIQ 7 User Manual 4535 617 25341