GE Vivid q N Service Manual page 468

GE
D FQ091019, R
IRECTION
10.)Check the Gain rotary as follows:
a.) When turning the rotary in a clockwise direction, each time you hear a click, right arrows are
b.) When turning in a counter-clockwise direction, each time you hear a click, left arrows are
NOTE: When performing this step, make sure that a minimum of 32 clicks are heard when turning the
Gain rotary in both the clockwise and counter-clockwise directions to ensure that a complete
check is performed.
11.)Check the On/Off button.
a.) Press the button once; make sure the button is shown as depressed in the Test Screen.
b.) Release the button; make sure the button is no longer showing as depressed in the Test
12.)Check the Lights Control (Backlights and Active Lights), as follows:
a.) trackball to the Active Lights button (under Lights Control) and press Set. Make sure that all
b.) trackball to the Backlights button (under Lights Control) and press Set. Make sure that all the
13.)Trackball to the Battery Light button (top right of Test Screen) and press Set. Make sure that all the
corresponding LEDs is activated (illuminates green).
14.)Trackball to the Ext DC Light button (top right of Test Screen) and press Set. Make sure that all the
corresponding LEDs is activated (illuminates green).
15) Perform the Trackball Test, as follows:
a.) Move the trackball; the position of the trackball cursor on the screen is reflected by a change
NOTE: when the trackball cursor is positioned at the extreme top left of the screen:
X = 0 and Y = 0.
b.) As you move the trackball cursor, make sure the coordinate values increase/decrease in small
16) When done with all the above tests, trackball to the OK button and press Set.
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EVISION
displayed in the Test Screen.
displayed in the Test Screen.
Screen.
the corresponding LEDs are activated (illuminated green - Patient, CW, Application, etc.).
alternatively, check each one (one-by-one) individually.
extended keyboard backlighting is correctly illuminated.
in the displayed X and Y coordinate values.
steps, without jumping more than two or three digits. If for example, the values increment by
steps of 10, this indicates that the trackball operation is faulty (possibly the trackball requires
cleaning, or replacement).
Section 7-6 - Performing Back End Diagnostics on the System
V N S M
IVID Q ERVICE ANUAL