Spectral Doppler Mode
7. Spectral Doppler Mode.................................................................................................7-2
7.1 PW Mode (Pulsed Wave Doppler) ..................................................................................... 7-2
7.1.1 PW Main Menu .............................................................................................................. 7-3
7.1.2 PW Operation................................................................................................................. 7-4
7.1.2.1 Gate Position and Gate Width................................................................................. 7-4
7.1.2.2 Activation of PW Mode .......................................................................................... 7-5
7.1.2.3 PW Gain Control..................................................................................................... 7-5
7.1.2.4 PW Automatic Optimization................................................................................... 7-6
7.1.2.5 Sweep Speed ........................................................................................................... 7-6
7.1.2.6 Audio Signal............................................................................................................ 7-6
7.1.2.7 Invert ....................................................................................................................... 7-7
7.1.2.8 Angle Correction..................................................................................................... 7-7
7.1.2.9 Baseline................................................................................................................... 7-8
7.1.2.10 WMF ....................................................................................................................... 7-8
7.1.2.11 Velocity Range (PRF)............................................................................................. 7-8
7.1.2.11.1 HPRF Mode....................................................................................................... 7-9
7.1.2.12 Real Time Trace...................................................................................................... 7-9
7.1.2.13 Freeze .................................................................................................................... 7-10
7.1.2.14 PW Cineloop ......................................................................................................... 7-10
7.1.3 PW Sub Menu .............................................................................................................. 7-11
7.1.3.1 Scale ...................................................................................................................... 7-11
7.1.3.2 Format ................................................................................................................... 7-12
7.1.3.3 Frequency.............................................................................................................. 7-12
7.1.3.4 Dynamic ................................................................................................................ 7-13
7.1.3.5 Exit the PW Submenu ........................................................................................... 7-13
7.1.4 PW + 2D + Color Information (Triplex Mode)........................................................... 7-13
7.2 CW Mode (Continuous Wave Doppler)........................................................................... 7-14
7.2.1 CW Main Menu............................................................................................................ 7-14
7.2.2 CW Operation............................................................................................................... 7-15
7.2.2.1 Cursor Position and Focus..................................................................................... 7-15
7.2.2.2 Activation of CW Mode........................................................................................ 7-15
7.2.2.3 CW Gain Control .................................................................................................. 7-16
7.2.2.4 Sweep Speed ......................................................................................................... 7-16
7.2.2.5 Audio Signal.......................................................................................................... 7-16
7.2.2.6 Invert ..................................................................................................................... 7-17
7.2.2.7 Angle Correction................................................................................................... 7-17
7.2.2.8 Baseline................................................................................................................. 7-18
7.2.2.9 WMF ..................................................................................................................... 7-18
7.2.2.10 Velocity Range (PRF)........................................................................................... 7-18
7.2.2.11 Real Time Trace.................................................................................................... 7-19
7.2.2.12 Freeze .................................................................................................................... 7-19
7.2.2.13 CW Cineloop......................................................................................................... 7-19
7.2.3 CW Sub Menu .............................................................................................................. 7-20
7.2.3.1 Scale ...................................................................................................................... 7-20
7.2.3.2 Format ................................................................................................................... 7-21
7.2.3.3 Dynamic Range..................................................................................................... 7-21
7.2.3.4 Exit the CW Submenu........................................................................................... 7-22
7.2.4 CW + 2D + Color Information (Triplex Mode) .......................................................... 7-22
Voluson
®
730Pro - Basic User Manual
105831 Rev. 0 7-1