biodex ATOMLAB 500, Operation And Service Manual, Page: 60 / 212

Figure 4.65. Threshold Value – (2-302) Screen
Enter a threshold value by touching the desired buttons on the keypad, or use the <
▲
> and
<
▼
> arrows to increase or decrease the threshold number or touch <Clear> to empty the
field and enter a new value using the keypad.
Touch <Accept> to record the threshold number and return to the Source Detection
Threshold screen or <Cancel> to return without making any changes.
4. Touch the <Select Isotope> button to display the following screen:
Figure 4.66. Select Isotope Screen
Highlight the desired isotope and touch <Accept>. The Source Detection Threshold
screen is displayed with the threshold value assigned to the selected isotope as
illustrated in Figure 4.64.
5. Touch the <Reset Defaults> button to revert to the factory defaults.
6. Touch <Back> to return to the Dose Calibrator Configuration screen.
Low Activity Resolution
Accessed from the Dose Calibrator Configuration screen, this option is used to define the
default display resolution of activity readings. “Auto” is the default setting. To change the
resolution, touch the current setting and touch the desired selection from the pop-up list.
Touch any part of the screen while the pop-up list is displayed to cancel without making any
changes. The “Higher” and “Highest” resolution add digits to the activity measurement.