ix
ILLUSTRATIONS
Figure 1-1. InSpec 9000-2005 Card Tester ................................................................................................. x
Figure 2-1. Fuse Holder ............................................................................................................................... 4
Figure 3-1. Main Screen............................................................................................................................. 11
Figure 3-2. Archive Screen ........................................................................................................................ 12
Figure 3-3. View Screen............................................................................................................................. 14
Figure 3-4. Setup Screen ........................................................................................................................... 15
Figure 3-5. Limits for Unused and Returned Cards. .................................................................................. 16
Figure 3-6. Com Setup ............................................................................................................................... 17
Figure 3-7. Reference Amplitude ............................................................................................................... 21
Figure 3-8. Bit Size..................................................................................................................................... 22
Figure 4-1. Overview Chart ........................................................................................................................ 26
Figure 4-2. Profile Chart ............................................................................................................................. 27
Figure 4-3. Numerical Results.................................................................................................................... 29
Figure 4-4. Decoded Data.......................................................................................................................... 30
Figure 4-5. Start Sentinel ........................................................................................................................... 32
Figure 4-6. Performance Trend Chart- Amplitude...................................................................................... 34
Figure 4-7. Performance Histogram Chart - Amplitude ............................................................................. 35
Figure 4-8. Performance Statistics- Amplitude .......................................................................................... 36
Figure 4-9. Performance Trend Chart- Bit Size ......................................................................................... 36
Figure 4-10. Performance Histogram Chart - Bit Size ............................................................................... 37
Figure 4-11. Performance Trend Chart- Start Sentinel .............................................................................. 38
Figure 4-12. Performance Histogram Chart - Start Sentinel...................................................................... 39
Figure 4-13. Database of Cards Read ....................................................................................................... 40
Figure 5-1. CET Orientation ....................................................................................................................... 42
Figure 5-2. CET Insertion ........................................................................................................................... 42
Figure 5-3. CET Rotation ........................................................................................................................... 43
Figure 5-4. CET Extraction......................................................................................................................... 43
Figure A-1. Magnetic Field ......................................................................................................................... 46
Figure A-2. Reverse Polarity ...................................................................................................................... 47
Figure A-3. Encoding Head Model ............................................................................................................. 48
Figure A-4. Magnetic Tape Model.............................................................................................................. 49
Figure A-5. Flux Transitions ....................................................................................................................... 50
Figure A-6. Encode Current Level.............................................................................................................. 50
Figure A-7. Signal Amplitude ..................................................................................................................... 51
Figure A-8. Bit Cell - Flux Transition .......................................................................................................... 53
Figure A-9. Card Coding ............................................................................................................................ 54
Figure A-10. Bit Cells for 0 and 1 Bits ........................................................................................................ 56
