5. MANUAL MODE
The MCA Manual mode is used as a rate counter that functions in either a Preset Time, Preset Count or
Continuous Counting mode. You can press Spectrum for any count that you take in this mode and create
reports from the data obtained. The standard ROI is determined by the isotope that you are counting and
the spectrum analysis page will allow you to create multiple ROI’s or change the ROI displayed.
To Count In Manual Mode
(See Figures 5-1 and 5-2)
1. From the Operation screen, click on <Manual Mode>. The Manual Mode screen should now be
displayed.
2. Select the desired <Isotope> and <Detector>.
3.
Toggle
on
<Preset
Time>,
<Preset
ROI
Counts>
or
<Continuous
Counting>
and
enter
the
desired
count time or number of counts.
• Preset time count: When counting by preset time, the system counts for the time entered.
• Preset ROI count: The system counts to just beyond the number of ROI counts entered.
• Continuous counting: The system will count until <Stop> is pressed.
4. Click on <Start>. The system displays a message on the right side of the screen stating that a test is in
progress. The spectrum is displayed at the top of the screen, along with the associated time, counts
and cpm.
NOTE: Click on <Stop> at anytime to stop counting and use the counts up to that point for results. Click on
<Abort> to cancel the current counting operation without using the current count. The system will return to
the Manual Mode screen.
5. Once the count is completed, the message "Test Completed" is displayed. The results now appear in
the Test Results window. You may now count again in manual mode to build a report with multiple
counts, or exit to another mode.
NOTE: Click on <Clear All> to clear all counts stored in the Test Results window. To remove a particular line
from the window, highlight the line to be removed and click on <Remove>.
To Print a Manual Report
1. Click on the <Report> icon in the primary tool bar. The Report Generation screen should be
displayed.
2. Click on the desired parameters, including Administration or Test. Key in the Technologist name
and any comments to be printed on the report.
3.
Click
on
<Preview>
if
you
want
to
preview
how
the
report
will
look
when
it
is
printed.
4.
Click
on
<Print>
to
print
the
report.
5. Click on <Close> to return to the Manual Mode screen.
NOTE: The Manual Report allows for listing of multiple isotopes. This allows the operator to perform any
variation of the test or procedures deem desirable.
Spectrum Analysis
After any count is taken, the Spectrum Analysis option can be used to analyze counts in the spectrum and
print a Spectrum Analysis Report if desired.
5-1 MANUAL MODE
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