GE LOGIQ e Basic Service Manual page 168

General Procedures and Functional Checks
Adjust the PW Doppler Mode controls (continued)
Table 4-7:
Step
1 Press PW Mode key
2 Adjust Gain
3 Display M/D-Mode
Cursor
4 B-Pause/Enter
Doppler Mode Soft Menu Key
Step
1 Adjust Rejection
2 Adjust Sweep Speed
3 Activate Full
Timeline
4 Select Display
Format
5 Adjust Frequency
4-34
1. Press Color on the Operator Panel to access Color mode.
2. Press PW to start Pulsed Wave Doppler (PW).
Use the trackball to select the Area of Interest (Sample
Volume) in PW or direction of interest in CW.
3. These Image Controls are used to optimize the Color
picture. Verify that all the listed controls are working as
intended:
PW Doppler Mode Operator Panel Controls
Task
PW Mode Starts
Amplifies the overall strength of the echoes
processed in the Color Flow window. Turn the
Gain dial (PW Mode key) to the left/right to
increase/decrease Gain.
Displays the M/D-Mode cursor on the B-Mode
image. Press Cursor and Trackball to position
sample volume graphic. Click SV gate to
adjust sample volume gate size.
Toggle between simultaneous and update
presentation while viewing Spectral Doppler.
Press B Pause to toggle between
simultaneous and update.
Table 4-8: PW Doppler Mode Soft Menu Key
Task
Selects a level below which echoes will not be
amplified (an echo must have a certain
minimum amplitude before it will be
processed).
Changes the speed at which timeline is swept.
Press Sweep Speed up/down to increase/
decrease the value.
Displays only timeline screen. Press the Full
Timescreen to activate.
Display layout can be preset to have B-Mode
and Time-motion side-by-side or over-under.
Enables the adjustment of the probe's
operating frequency. Press Frequency and
select desired value. The selected frequency is
displayed in the status window.
Expected Result(s)
Expected Result(s)
LOGIQ e – Basic Service Manual
5461614-100 English Rev. 6
Comments
Comments