GE MEDICAL SYSTEMS
D
IRECTION FK091075, REVISION 04 VIVID 3N PRO/EXPERT SERVICE MANUAL
7-22 Section 7-3 - Performing Front End (FE) Diagnostics
7-3-7 Beamformer (BF) Diagnostic Tests
The BF diagnostic tests enable you to check the ADC output and perform a digital beamformer test.
NOTE: Before performing the BF tests, perform the IMP, VME Bus, RFT and FEC tests, as described
beginning on page 7-13. If the BF test is performed without first performing these tests, and
errors are identified, you must perform the FEC tests, then the RFT test, the VME Bus test, and
the IMP test, to ensure that the BF board is the source of the error.
NOTE: When replacing the BF, perform calibration as described in Section 6-8 "Calibration" on page 6-21.
NOTE: IMPORTANT - Do not perform BF Calibration after operating in CW or PW scanning modes
since validation will fail. Perform the BF Calibration procedure only after 2D scanning mode.
1) Access the FE Diagnostics dialog box, as described in 7-3-1 "Accessing the Front End Diagnostic
Options" on page 7-6.
2.) In the FE Diagnostics dialog box, trackball to the BF tab and press Select,
OR
3.) Trackball to the BF button in the Data Flow Map and press Select.
The BF tab is displayed, as shown in Figure 7-11 (or Figure 7-12) below:
Figure 7-11 BF Tab - FE Diagnostics Dialog Box (RFI Configuration)
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