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6 - 8 Operator’s Manual

6 Image Acquisition

V 1:1

This function is to display images in vertical format in the dual-split mode. After the feature is

enabled, one image appears above, and the other image appears below.

In the dual-split mode, tap [V 1:1] to enable this function.

B Display

To turn on or off the B image display as Color imaging remains active.

Dual

To enter the Dual-split display mode, and to switch between the windows.

6.3 Power Mode

Power mode provides a non-directional display of the blood flow in terms of intensity as opposed to

flow velocity.

DirPower (Directional Power mode) provides additional information of the flow direction toward

or away from the probe.

TIP:

In Power mode, the acoustic power is synchronous with that of B mode. Adjustment of the depth to

the B mode image will lead to corresponding changes in Power mode image.

6.3.1 Power Mode Image Scanning

Perform the following procedure:

1. Select a high-quality image during B mode or B + Color scanning, and adjust to position the

area of interest in the center of the image.

2. Tap [Power] to enter Power mode.

3. Change the size and position of the ROI.

– Tap the corner of the ROI and drag to change the size.

– Tap inside the ROI box and drag to change the position.

4. Tap [Image] to open the image menu. Adjust the parameters to optimize the image.

6.3.2 Power Mode Image Parameters

Because both are based on Doppler color imaging, the adjustments of Power mode are same with

these of Color mode’s. Hence, only the adjustments of Power mode are introduced.

Power Gain

Refers to the overall sensitivity to flow signals, and this function is used to adjust the gain in Power

mode. The real-time gain value is displayed in the image parameter area.

Steer

The feature is used to adjust the ROI of the color flow of different angles with immobility of the

linear probe.

Scale

This function is used to adjust the speed range of color flow, which is adjusted through PRF in the

system. The real-time PRF value is displayed in the image parameter area.

Mindray TEX20 Operator's Manual

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