11
3.
SOFTWARE GUIDE
3.1 Startup Sequence
•
Set up the Fission Meter panels and connect the Ranger to the panel assembly according to
Section 1.3.2.
•
Press and hold the Ranger’s lower
-left, green power button (
) until the PDA boots and Windows
Mobile starts.
•
Press and hold the panel assembly
ON
button until the readout displays the current neutron count
(cps) and battery voltages.
Battery voltage for each panel must be >8.5 V or the software might not
calculate correctly.
Each battery tube requires eight (8) D-cell batteries, loaded
positive terminal
down
, as described in Section 1.3.2.2.
•
On the Ranger, tap the Windows Start button (
), then
Fission Meter
(
) to open Fission Meter
software main screen (Figure 9). The lower-right indicator is blue if the count rate is above
background is 0
–
50 cps, amber if 50
–
100 cps, and red if >100 cps.
•
Decide which detection mode to use and tap the appropriate button.
Figure 9. The Main Screen.
3.2 Mobile Search Mode
The Mobile Search Mode screen is shown in Figure 10. This is the survey mode. Typically, you will survey with
the panels folded, thin sides always facing out.
The screen shows two pairs of data displays:
•
Sigma C strip chart and barometer
—
The strip chart tracks counts above background in standard
deviations. The barometer indicates count rate above background.
