Invert - Siemens ACUSON Cypress Operator's Manual

Scanning
5-46
PW Scanning Soft Windows Options
TABLE 22.
Window
Baseline
Adjusts the position of
the zero-velocity
baseline marker

Invert

Reverses the flow in
reference to the base-
line
Sweep
Adjusts the sweep
speed of the spectral
display
Filter
Applies a high-pass
filter to the Doppler
spectrum
ACUSON Cypress™ Operator's Manual
Function/Description
Turning the corresponding knob clockwise raises
the baseline; turning the knob counterclockwise
lowers the baseline. There are five positions:
Baseline at the top
Baseline halfway between the top and middle
positions
Baseline in the middle
Baseline halfway between the middle and bottom
positions
Baseline at the bottom
The Spectral Doppler display can be inverted,
reversing the Display of forward and reverse flow in
reference to the baseline.
Press the corresponding knob to select.
Turn the knob to invert the display. Turn the knob
again to return to the non-inverted display.
An on-screen indicator ("
the System Data Field when the Doppler is
inverted.
Press the corresponding knob to select Sweep.
Select a sweep number from 1 to 4 where the
selection is the number of seconds. For example,
Sweep 1 is a 1-second sweep; Sweep 2 is a 2-
second sweep; etc.
The range is from 25 Hz to 1400 Hz. Press the cor-
responding knob to select Filter.
To increase the filter setting, turn the knob clock-
wise.
To decrease the filter setting, turn the knob coun-
terclockwise.
The filter setting is displayed in the upper left por-
tion of the screen in Hertz (Hz) (see "Cypress Sys-
tem Data" on page 5-9).
") is displayed in
INVERT