GE VIVID E9 Service Manual page 174

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Adjust the 2D mode controls

ALWAYS USE THE MINIMUM POWER REQUIRED TO OBTAIN ACCEPTABLE IMAGES

IN ACCORDANCE WITH APPLICABLE GUIDELINES AND POLICIES.

1.) Press 2D on the Operator Panel to access 2D mode.

2.) These Image Controls are used to optimize the 2D picture. Verify that all the listed controls are

working as intended:

Use Gain and TGC controls to optimize the overall image together with the Power control.

Use Depth to adjust the range to be imaged.

Use Focus to center the focal point(s) around the region of interest.

Use Frequency (move to higher frequencies) or Frame rate (move to lower frame rate) to

increase resolution in image.

Use Frequency (move to lower frequency) to increase penetration.

Use the Reject control to reduce noise in the image.

Use the DDP control to optimize imaging in the blood flow regions and make a cleaner, less

noisy image.

Use UD Clarity (Cardiac) or UD Speckle reduce (non-cardiac) to reduce image speckle.

Extra care must be taken to select the optimal Speckle reduction level, as too much filtering

of speckle can mask or obscure desired image detail.

Use Adaptive reject (Cardiac) to reduce near field haze and blood pol artifact without diluting

tissue appearance of moving structures.

Section 4-3 - Functional checks

Troubleshooting