
LS 6000 Scintillation System User’s Manual
PN 247971-F
2-5
Getting Started
Operating Controls
2
Display
A monitor is used to display the menus and instructions for specifying operations, editing a
User Program, and setting up new isotopes and quench curves. The screen is divided into
areas to display the information. Refer to Figure 2.4.
The first line on the screen displays the Date/Time. Next, a status line showing the operating
mode and/or the name of the menu is presented. The Main Editing Window displays the
CURSOR
ARROW
KEYS
There are four cursor keys: Up, Down, Left, and Right. Prompts on the menus
are selected (highlighted) using the Up/Down Cursor Arrow keys. When the first
prompt is highlighted, pressing the Up Cursor Arrow key presents the previous
menu. When the last prompt is highlighted, pressing the Down Cursor Arrow key
presents the next menu.
The Left/Right Cursor Arrow keys are used to make choices from a list of
selections displayed in the Data Entry Window for the selected prompt.
SELECT Used following entries to indicate to the system that the information entered is
complete. Can be used interchangeably with the ENTER key. Generally, this key is
used when using the keypad and EN-TER is used when using the alphanumeric
keyboard.
SAMPLE ARROW
KEYS
The Forward (left-arrow) key advances the rack currently in the counting position
by one vial for counting the next sample. If the rack is finished, or if no rack is in
the counting position, all racks are moved forward, advancing them until the
next rack is in position for counting.
The Backward (right-arrow) key moves the rack currently in the counting
position one vial to the right, putting the previous vial into position for counting.
If a rack is not in the counting position, all racks are moved until the next rack is
in position for counting.
Holding a Sample Arrow Key gives continuous motion of the racks in the
indicated direction.
START Starts the count of the vials loaded in the sample changer, provided all necessary
setup steps have been accomplished.
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