Fluke Biomedical 942A-200L-M4 - Manual (Page 69)

Appendix
Connector Designations
A
A-5
Table A-9. Standard Jumper Placement
Position Jumper Description
OUT JP1 Reset
2-3 JP2 Standard 27256 PROM
IN JP3-1 Fixed 1 Second Update
IN JP3-2 Fixed 1 Second Update
IN JP3-3 Latches alarms until acknowledged
IN JP3-4 Gives fail condition without counts, in five minutes
IN JP3-5 Alarms do not respond to check source counts
1-2 JP4 Negative Input Pulse
1-2 JP5 Negative Shield Polarity
1-2 JP6 Anti-Jam Active
1-2 JP7 Anti-Jam scintillation type detector
Table A-10. UDR Jumper Setting Options
Jumper Connect Description
JP1 - Momentary connect resets microprocessor
JP2 1-2 PROM type 27128
JP2 2-3 PROM type 27256
JP3-1 IN/OUT Accuracy selection
JP3-2 IN/OUT Accuracy selection
JP3-3 IN/OUT Alarm reset control, manual/automatic
JP3-4 IN/OUT Low count fail control, enable/inhibit
JP3-5 IN/OUT Alarm when check source is on, inhibit/enable
JP4 1-2 Negative input pulse selection
JP4 2-3 Positive input pulse selection
JP5 1-2 Positive shield (for negative pulse)
JP5 2-3 Negative shield (for positive pulse)
JP6 1-2 Anti-Jam fuse enable – Normal Operation
JP6 2-3 Anti-Jam fuse disable – Test Only
JP7 1-2 Scintillator detector anti-jam input
JP7 2-3 GM tube detector anti-jam