Beckman Coulter COULTER ACT 5diff - Page 68

PN 177196BB
4-6
QUALITY ASSURANCE
ANALYZING CELL CONTROLS
3) For a detailed description of the QC Graphics screen, refer to Understanding the
QC Graphics Screen,
under Heading 7.3 RUNNING CELL CONTROLS In the Online
Help System or the Instructions for Use manual
.
6. From the Main Menu, click tt to display the QC screen and explain the
screen elements of the QC screens.
a. The file selected in the Control Name or the Lot Number box on the left side of the
screen determines which control’s data is displayed on the right side.
b. When the QC screen is first displayed, Levey-Jennings graphs are displayed on the
right side of the screen.
1) Three Levey-Jennings graphs are displayed at a time.
a) The tabs above the graphs (four for CBC controls and seven for CBC/DIFF
controls) allow access to the remaining parameter graphs for that control.
b) Click each of the tabs in turn, noting the graphs that appear for each.
2) Selecting a data point on a graph displays the results for that data point.
a) The last data point included in the graph is located on the far right.
b) Data points are not displayed for control runs that are excluded from the
control file.
3) Each graph contains three areas.
a) A central line representing the actual mean value for that parameter
b) A line above mean value (central line) represents the upper limit and a line
below the mean value represents the lower limit boundaries
c) Area showing dashes is the out-of-limit area.
c. For a detailed description of the Levey-Jennings Graphs screen, refer to
Understanding the QC Levey-Jennings Graph Screen, under Heading 7.3 RUNNING CELL
CONTROLS
In the Online Help System or the Instructions for Use manual.
d. In the Contextual toolbar at the bottom of the QC Graphics screen, click to
display the QC Data Grid screen.
Note: Clicking alternates the control data presentation on the right side of the
QC Data screen between graphs and tables.
e. On the QC Grid screen, control data is displayed in tables.
1) Control file storage is unlimited.
a) The most recent control results are displayed as the last set.
b) You can scroll to see older data.
2) The control results are compared to the target values and expected ranges
entered into the system when you set up the control file.
a) When a result exceeds the low limit, an L is displayed next to the result
and the result and flag are backlit red.
b) When a result exceeds the upper limit, an H is displayed next to the result
and the result and flag are backlit red.