Appendix A  Technical Description 
Instructions for Use  A - 7 
Formats 
  Dual, Seamless Dual image display 
  Live dual image display format 
  Virtual Format Imaging: linear, sector, steered, or trapezoidal format 
  Curved-sector, linear, and phased-sector data acquisition and display formats 
General (2D) Imaging Features 
  Field of view (FOV) format adjustment 
  Up to 16 choices for magnification in frozen, CINE, or real-time imaging 
  0.5 cm to 30 cm depth of view display  
  CINE memory capacity: Up to 30 seconds of CINE capture 
  Acquired 2D-mode frame rates up to 500 fps 
  Up to six 2D-mode transmit frequencies per transducer 
  Quad signal parallel processing 
  Linear array transducer beam steering 
  2D/Doppler Refresh, Update, and Triplex functions 
  Gain of -20 dB to 20 dB in one decibel increments 
  Dynamic range of 30 dB to 90 dB in five decibel increments 
  Multi-frequency Ensemble Tissue Harmonic Imaging feature 
  Three levels of Dynamic Tissue Optimization (DTO)