Fluke Biomedical 956A-201-M2 - Manual (Page 25)

2-7
Table 2-12. Model 956A-201-M2 Option Jumpers
Jumper Function Position Operation
JP1 Microprocessor Reset Out
In Normal Operation (factory) Momentary
connect to reset microprocessor without
cycling AC power
Not Applicable
JP2 PROM Type 1-2
2-3 PROM 27128
PROM 27256 (factory)
JP3-1/JP3-
2
Statistical Accuracy (Note: This
accuracy refers only to the
statistical interpretation of
detector counts, and not
detector accuracy) Out/Out
Out/In
In/Out
In/In 2% Accuracy – Not Implemented
5% Accuracy – Not Implemented
10% Accuracy – Not Implemented
Fixed one second display update (factory
JP3-3 Alarm Acknowledge In
Out Manual Acknowledge (factory)
Automatic
JP3-4 Fail Alarm In
Out Enable No Counts Fail Alarm (factory)
Inhibit No Counts Fail Alarm
JP3-5 Check Source Alarm In
Out Alarm Inhibited (factory)
Alarm Enabled
JP4 Shield Polarity Selection 1-2
2-3 Negative Input Pulse (Other Detectors)
Positive Input Pulse (G-M Detectors)
(factory)
JP5 Shield Polarity Selection 1-2
2-3 Shield for Negative Pulse
Shield for Positive Pulse (G-M) (factory)
JP-6 Anti-Jam Fuse Selection 1-2
2-3 Enable for Normal Operation (factory)
Anti-Jam Circuit fuse bypassed (testing)
JP7 Detector Type for Anti-Jam
Circuit Timing 1-2
2-3
Out Scintillation
G-M Tube (factory)
Anti-Jam Circuit Disabled (for testing only)