Thermo Scientific SAM12, Manual

Page: 65 / 176

Issue: 1.0 Operating Instructions
Thermo Fisher Scientific SAM12 User Manual 5-25
To edit a Calibration Mix
, select a Calibration. Press in the
Calibration field to edit the Calibration name. In the
Calibration Mix section, use the drop-down list to change the
Nuclide. Press in the Percentage field to edit the percentage.
When complete, press Apply Settings button to save or Cancel
button to quit without saving.
To create a new Calibration Mix
, highlight in an empty
Calibration Mix window (or an existing Calibration Mix to
overwrite) and click on the Create New Mix button. Press in
the Calibration field to create a new Calibration name. In the
Calibration Mix section, use the drop-down list to add a new
Nuclide. Press in the Percentage field to edit the percentage.
When complete, press Apply Settings button to save or Cancel
button to quit without saving.
To delete an existing Calibration Mix
, highlight the
Calibration Mix for deletion and press the Delete Mix button.
Select Calibration|HV Scan to
view and create HV Scans. It is
also possible to set HVs for
detector amplifiers. The scan
allows repeated counts at an
increasing or decreasing HV to
be recorded to ascertain detector
operating point and efficiency
To start a new HV Scan
, press
the New HV Scan button to
display the Please enter scan
Parameters window:
Description of options:
Field Name Description
Minimum Voltage
(Volts) Enter a minimum voltage.
Maximum Voltage
(Volts) Enter a maximum voltage.
Note that this value should at least be Minimum
V Step Size.
Step Size (Volts) Enter a step size for the scan.
Step Duration
(seconds) Enter the length (in seconds) for each step.
Once the above scan parameters have been established, two
scans will be made against each amplifier threshold for all
HV Scan