A p p e n d i x E A d v a n c e d F e a t u r e C o n t r o l sE - 1 6 I n s t r u c t i o n s f o r U s eSpeed IndicatorThe speed of scanning is depicted by the shading of the speed indicator.Shading Scan SpeedBelow optimum scan rate — increase scan speed slightly.Optimum scan rate.Above optimum scan rate, nearing "tear" speed — decrease scan speed slightly.Contrast Agent Imaging SelectionsNote: For systems with a touch screen, press CONTRAST on the control panel. For systems withouta touch screen, press CADENCE on the control panel.Selection DescriptionStart Timer /Stop TimerStopWatchActivates and displays or deactivates and removes the on-screen timer. The timer displays thetime elapsed since the timer was started. When the image is frozen, the system also displaysthe time when freeze occurred. Off OnNote: For systems without a touch screen, the selection is assigned to a soft key.Reset Timer Reset TimerSets the timer to zero and automatically starts the timer. 00.00.00FR Control (Not available during Doppler or M-mode)Frame rate controlLimits the frame rate to the selected maximum value.Available Settings: Transducer-dependentStart Burst Rotate:Selects the number of frames (fr) for the burst process. The number of frames determines theduration of the burst process. 1, 3, 5, 7, 10, 15, 20, 30, 50Press:Starts the burst process.Note: For systems without a touch screen, the selection is on the LED panel.MBD Rotate:Selects the duration of MBD in seconds (sec). <1, 1, 2, 3, 4Press:Enables Micro-Bubble Destruction (MBD).Note: For systems without a touch screen, the selection is on the LED panel.