Accessing The Front End Diagnostic Options; Calibration Tests - GE Vivid i n Service Manual

GE H
EALTHCARE
D FQ091013, R
IRECTION
7-4-1

Accessing the Front End Diagnostic Options

In 2D-Mode, press <ALT +Config> on the alphanumeric keyboard. The Diagnostic Test window is
•
displayed, as shown in
7-4-2

Calibration Tests

7-4-2-1 DC Offset Calibration
NOTE: For a description of this test, refer to the information provided in
IMPORTANT In order to access an individual board test, it is necessary to insert the service dongle from
NOTICE
system boot-up and enter the Service Password.
NOTE: When performing this test, no probe should be connected to the system and nothing should be touching
the probe connectors!
1.) In the Diagnostic Test window, trackball to DC Offset Calibration in the list of Front End tests
available for selection from the Diagnostic Test Tree (see
Offset Calibration name is displayed under Execute; the relevant system components to be tested
(in this case, all components) are highlighted light blue in the Schematic View as shown below:
2.) As indicated in the Special Instructions area, disconnect any probes currently connected to the
system and make sure that nothing is touching the probe connectors.
3.) Under the Special Instructions area, activate the Loops checkbox
and select the required number of Loops from the combo box.
4.) Adjacent to On Fail, select either Stop or Continue, as required.
Stopping on failure enables you to review a failed test, the moment it fails. Alternatively, you may
prefer testing to continue on failure and later you may review the report.
1
EVISION
(Figure
Figure 7-7 DC Offset Calibration Test
Chapter 7 - Diagnostics/Troubleshooting
7-1).
V V N S
IVID I N AND IVID Q
DC Offset Calibration on page 7 -
below) and press Set. The DC
Figure 7-7
M
ERVICE ANUAL
11.
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