GE LOGIQ E9 Service Manual page 185

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5573152-100, R

Review Test Patterns (cont'd)

In addition to Gamma grayscale settings, a setting is now available that follows the DICOM Gray Scale

Standard Display Function (GSDF). If a site's PACS workstations are calibrated to the GSDF, this

setting may help to make the image appearance more uniform between the ultrasound system and

PACS. By default, GSDF is disabled for 19" Monitors and enabled for widescreen monitors.

For all monitors, you may enable the GSDF-compliant mode in the Utility pages. System ->

System Display -> Display -> Enable DICOM grayscale mode (GSDF).

With GSDF disabled, the Monitor still uses a gamma curve that may be selected on the Touch Panel

(for backwards compatibility with sites that are happy with their PACS or may have a mix of older

With GSDF enabled on Widescreen Monitors, the gamma button on the touch panel affects the

image, emulating the appearance of that gamma, but does not affect the monitor.

19 inch Monitors will need to be set up manually after upgrading since the default screen layout

settings in R6 are adjusted to Wide screen monitors. This can be accomplished via Utilities pages.

Go to Utilities -> System -> System Display

Set the drop-down menu in Use Wide Screen for... -> Single Image to Off.

Make sure the checkbox in Side Panel Content -> Measurement Summary is checked.

With GSDF enabled on 19 inch Monitors, the manual monitor settings must be at factory

defaults to ensure GSDF compliance.

Chapter 6 Service Adjustments