
LS 6000 Scintillation System User’s Manual
PN 247971-F
4-8
Setting Up User Programs
Editing A User Program
Choose SPM (if installed) if you want to do single photon counting. The User Program is
modified for single photon counting. These parameters are not available: Quench Monitor;
Lum-Ex Correction (if installed); 2 Phase (if installed); and Counting Precision. The Data
Calculation program defaults to the Single Photon Program. Refer to Section 5.9 for more
information on single photon monitoring.
Isotope 2 and Isotope 3
The procedure for setting up Isotope 2 and Isotope 3 is identical to that of Isotope 1 except
the list of choices includes NONE. SPM is not included.
For single label studies, choose NONE for Isotopes 2. The prompt for Isotope 3 is not
displayed when Isotope 2 is set to None.
For dual label studies, choose Isotope 1 as the lower energy isotope and Isotope 2 as the
higher energy isotope. The lower limit for Isotope 2 is set the same as the upper limit for
Isotope 1. Choose Isotope 3 as None.
For triple label studies, set up Isotope 3 as the highest energy isotope. The lower limit for
Isotope 3 is set the same as the upper limit for Isotope 2.
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