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LS 6000 Scintillation System User’s Manual

PN 247971-F

3-11

Counting Samples

Multi-Task

2. From the Multi-Task Menu, highlight “Interrupt Count” and press SELECT. The menu

shown in Figure 3.9 is displayed.

3. Highlight “Count Single Rack” and press SELECT. The Count Single Rack Menu (Figure

3.3) is displayed.

NOTE If Interrupt Data is stored, this data must be reviewed, printed or deleted before another Interrupt

Count can be performed. Refer to Interrupt Data Section 3 for information on Interrupt Data. Press

[PREVIOUS MENU] to return to the Count Single Rack Menu when you are finished in Interrupt Count.

4. To count using the default parameters without any changes, press SELECT.

To change the counting time, highlight “Counting Time”, and enter the desired counting

time (0.01 to 999.99 minutes). Highlight “Count Any Isotope”, and press SELECT.

To count with a User Program, refer to Counting with a User Program at the end of this

section.

5. The Main Editing Window displays instructions to load the samples. Load the Interrupt

Rack with the samples you wish to count as described on the screen.

NOTE The Interrupt Rack with the Interrupt Card installed must be used to count samples during Multi-Task.

Once the samples are counted, the rack is skipped when Auto Count is resumed.

6. Press START to begin Interrupt Count. The screen displays a message “Suspending Auto

Count” and the sample being counted is terminated. The Sample Rack in position is

moved out of the count position and the instrument searches for the Interrupt Rack. The

screen displays “Searching for Interrupt Rack”.

Figure 3.9 The Interrupt Menu

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Motorola LS6000B-U Betriebsanweisung Seite 49