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Section 3: Theory of Operation...................................................................................... 3-1
3.1 Introduction .................................................................................................. 3-1
3.2 Overall Function Description Of The Model 35360A TRACKER Display ..... 3-1
3.2.1 Power Supply ......................................................................................... 3-2
3.2.2 300 Volt Electronic Bias Supply.............................................................. 3-3
3.2.3 Front Panel Switches.............................................................................. 3-3
3.2.4 Processor ............................................................................................... 3-3
3.2.5 VFD Display ........................................................................................... 3-3
3.2.6 Serial Communications Port ................................................................... 3-4
3.2.7 Electrometer ........................................................................................... 3-4
3.2.8 Multiplexer and A/D Converter ............................................................... 3-4
3.3 Model 35300A Ion Chamber Detectors........................................................ 3-5
3.4 Air Density Corrections ................................................................................ 3-5
3.5 Basic Operating Equations .......................................................................... 3-6
3.5.1 Charge.................................................................................................... 3-6
3.5.2 Current ................................................................................................... 3-6
3.5.3 Absolute Dose ........................................................................................ 3-6
3.5.4 Absolute Dose Rate................................................................................ 3-6
3.5.5 Percent-of-Center ................................................................................... 3-6
3.6 Basic Operating Quantities .......................................................................... 3-7
Section 4: Maintenance and Service ............................................................................. 4-1
4.1 Introduction .................................................................................................. 4-1
4.2 Troubleshooting ........................................................................................... 4-2
4.3 Line Fuse Replacement ............................................................................... 4-7
4.4 Interface Connector Cleaning ...................................................................... 4-9
4.5 Cleaning The Instrument.............................................................................. 4-9
4.6 Replaceable Parts Information..................................................................... 4-9
4.7 Recalibration & Repair Information/Technical Assistance.......................... 4-10
Section 5: Customization ............................................................................................... 5-1
5.1 Introduction .................................................................................................. 5-1
5.2 Make A Working Disk................................................................................... 5-2
5.3 Connection To The Computer...................................................................... 5-2
5.4 Starting The Customization Software........................................................... 5-2
5.5 Screen Formats ........................................................................................... 5-2
5.6 Definitions .................................................................................................... 5-5
5.7 Setting The Electrometer Gains And Offsets ............................................... 5-6
5.8 Usage Examples.......................................................................................... 5-8
5.9 Errors......................................................................................................... 5-10
Appendix A: Using Build-Up ..........................................................................................A-1
A-1 Build-Up, Peg, And Retainer Kit Options ..................................................... A-1