GE Voluson P6 Service Manual page 155

GE H RAFT
EALTHCARE
DIRECTION 5459672-100, R
4-4-3 Spectral Doppler Mode Checks
NOTE: Different menus are displayed depending on which Spectral Doppler Mode (PW or CW) is selected.
NOTE: The Continuous Wave Doppler Mode is an Option. The CW key is only illuminated if the option is
installed and the selected probe is capable for the Continuous Wave Doppler Mode.
Table 4-5
Step
1
2
3
4
5
6
7
8
4-14
6 DRAFT (J
EVISION
Figure 4-11 Spectral Doppler Mode (PW or CW) Functional menu
Spectral Doppler Mode (PW or CW) Functions
Task
Gate Position and Gate WIDTH
Activation of PW Mode
PW Gain Control
PW Automatic Optimization
FREEZE
SPEED
AUDIO SIGNAL
RT TRACE (Real Time Auto-Trace)
Section 4-4 - Functional Checks
17, 2013)
ANUARY
Expected Results
Adjust the Gate- Position resp. Size with the TRACKBALL in the 2DSingle image.
The upper trackball key changes from Gate position to Gate size.
Press the right trackball key to activate the motion display.
Press the left trackball key to activate both Modes (B/D).
Rotate the PW MODE key to adjust the amplification of the entire spectrum.
Pressing the AUTO key enables automatic optimization of the PRF and Baseline
The steering function is only available with linear probes.
By adjusting + or -, four different sweep speeds can be selected.
The envelope curve of the Doppler spectrum (maximum velocities) and the
corresponding evaluations are automatically displayed on the monitor.
V ® P8 / V
OLUSON OLUSON
P S M
ROPRIETARY ERVICE
® P6
ANUAL