Chapter 8: T-Uptake/FTI-Measurements LB 9507
8-6
T8
09: SEQUENCE OF INJECTIONS 1->2
1->2 2->1 LAST DISPLAY
If you have selected 2 injectors, you have to define the sequence
of the injections here: injector 1 first and then injector 2 or vice
versa. Make your selection by pressing the button below the
option you want. The following display is shown:
T9
09: DELAY TIME INJ1/INJ2[s] 1.2
(0.7 - 300.0) LAST DISPLAY
Enter the desired delay in seconds between both injections and
confirm with <enter>.
T10
09: MEASURE BACKGROUND (BKG) NO
YES NO LAST DISPLAY
Select here if the background rate is to be measured prior to the
injections.
If you select <NO>, display T14 appears or - if no injector was
selected - T15. <YES> takes you to the next display:
T11
09: MEASURING TIME BKG [s] 0.5
(0.1 - 200.0) LAST DISPLAY
Enter between 0.1 and 200.0 seconds for the background
measurement and press <enter>. Reasonable times start at half
a second, allowing statistical variations to be compensated for.
Otherwise, the background values may be too high or too low
which either distorts the result of the measurement or leads to an
exceeding of the threshold.
Remember that the background effect is measured in order to
obtain an alarm threshold for background rates that are too high.
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