Scanning
5-24
ACUSON Cypress™ Operator’s Manual
Frequency
Turns second
harmonic imaging
ON
and
OFF
or adjusts
the transmit frequency
(depending on the
transducer type).
Some transducers are capable of employing sec-
ond harmonic imaging. Second harmonic imaging
uses a lower transmit frequency and a higher
receive frequency. Harmonic imaging can improve
image quality and edge definition in difficult studies.
For the 3V2c transducer, turn or press the knob
to turn Harmonic mode
ON
or
OFF
. The default
state is
ON
.
For the 7V3c transducer, turn the knob to switch
between a “low” center frequency of 5 MHz and a
“high” center frequency of 6 MHz.
For the 7L3 transducer, turn the knob to switch
between a “low” center frequency of 5 MHz and a
“high” center frequency of 7 MHz.
Harmonic is
ON
when
“
Harmonic
”
is displayed with
the System Data in the top left corner of the screen;
Frequency can be adjusted when “Frequency” is
displayed with the System Data. See “Cypress Sys-
tem Data” on page 5-9 and Table 14 on page 5-10.
Apex Invert
Moves the orientation of the image so that the apex
switches from the top to the bottom of the screen.
Press the corresponding Soft Window knob to
select
APEX INVERT
.
To invert the image turn the knob. Turn again to
return to normal.
Fine Power
Adjusts the Mechani-
cal Index (
MI
) setting.
Press the corresponding Soft Window knob to
select
FINE POWER
.
To decrease the MI, turn the knob counterclock-
wise.
To increase the MI, turn the knob clockwise.
The
MI
setting is displayed in the data field located
in the upper left portion of the screen (see Table 14
on page 5-10 for more information).
TABLE 16.
2D
Scanning Soft Windows Options
Window/Function
Description
