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6. TROUBLESHOOTING .........................................................................................................39
6.1. DIAGNOSTIC AIDS................................................................................................39
6.2. FAULT ISOLATION................................................................................................40
6.3. COMPUTERS...........................................................................................................41
6.4. SIGNAL INTERFACE ASSEMBLY AND DETECTORS.....................................41
APPENDIX ..................................................................................................................................42
A. WARRANTY..........................................................................................................................42
B. GLOSSARY............................................................................................................................43
C. FORMULAS...........................................................................................................................45
C.1. ACTIVITY FROM COUNTS..................................................................................45
C.2. EFFICIENCY...........................................................................................................45
C.3. N*SIGMA ALARM LEVEL ...................................................................................45
C.4. RELIABLE DETECTABLE ACTIVITY (RDA) FORMULA................................46
C.5. SIGNAL TO BACKGROUND RATIO...................................................................46
C.6. VARIANCE..............................................................................................................47
D. CONFIGURATION TRACKING SHEET..........................................................................48
E. PARTS.....................................................................................................................................49
E.1. RECOMMENDED SPARE PARTS ........................................................................49
E.2. SPARE PARTS ORDERING INFORMATION......................................................49
F. DRAWINGS............................................................................................................................50