5-86 Image Optimization
Click [Exit] on the menu in the top-left part of the screen to exit contrast imaging mode,
or press <B> to return to B mode.
5.14.2 Contrast Image Parameters
Parameter Area Display
When entering contrast imaging mode, the screen displays the contrast image. If the [Dual
Live] on the soft menu is “ON”, both the contrast image (marked with “ ”) and tissue
image (marked with “ ”) are displayed (the two window positions can be changed).
Parameter area displays as follows:
Type Parameter
Description
Contrast
FCH Contrast frequency.
D Depth.
G Gain.
FR Frame rate.
IP Post processing parameter
DR Dynamic Range.
Tissue
G Gain
IP Post processing parameter
DR Dynamic Range.
Timing (if timer is
“ON”)
/
In real-time mode, the time displayed is the elapsed
time.
In freeze mode, the timer stops working and the
elapsed time is displayed.
Image Optimization
To adjust the contrast image as well as the tissue image, use the left/right keys of soft
menu controls <4> to switch between the menus of tissue image and contrast image.
The parameters in Contrast mode are similar to those in B mode. See chapter B for details.
Special Contrast imaging parameters are introduced below.
Timer
The two timers are used to record the total time of the contrast imaging and the single time
of one contrast exam.
After the image is frozen, Timer 1 is still running, and after unfreezing the image, the
corresponding time can be seen.
Timer 2 stops timing when a contrast exam is frozen, and after unfreezing the image
Timer 2 is off.
NOTE:
The starting time displayed may be inconsistent with the actual one due to
system error or some other human error. Check the agent-injecting time.
Set [Timer 1(2)] to “ON” to start timing from the moment you inject the contrast agent. The
screen displays the times in the bottom-right corner.
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