Instruction Manual

Model 970 Instruction Manual i
Table of Contents
Table of Contents ..............................................................................................................................i
1 Introduction ................................................................................................................ 1
1.1 Model 970 System Requirements.............................................................................. 1
1.1.1 Model 970 Technical Specification ............................................................................ 1
1.2 Hardware Description and Controls........................................................................... 2
1.2.1 Front Panel ................................................................................................................ 2
1.2.2 Rear Panel ................................................................................................................. 2
1.2.3 Battery Compartment................................................................................................. 3
1.3 Powering the Model 970 ............................................................................................ 3
1.3.1 AC Power Supply....................................................................................................... 3
1.3.2 Charging the Internal NiMH Batteries ........................................................................ 3
1.3.3 Using Alkaline Batteries ............................................................................................. 4
1.3.4 Alternative External Power ........................................................................................ 4
2 General Operation ..................................................................................................... 5
2.1 Initial Start Up ............................................................................................................ 5
3 Functions,Controls, and Displays .............................................................................. 8
3.1 SNAP-MCA Main Window ......................................................................................... 8
3.2 Menu Bar ................................................................................................................... 8
3.3 Button Bar ................................................................................................................ 16
3.4 Hardware Status Bar................................................................................................ 17
3.5 New User Hints Bar ................................................................................................. 18
3.6 Spectrum Display..................................................................................................... 18
3.7 Spectrum Status Bar................................................................................................ 18
3.8 Acquisition Controls and Indicators ......................................................................... 19
3.9 Spectrum Smoothing ............................................................................................... 20
3.10 Button Panel ............................................................................................................ 20
4 Using the Library Editor ........................................................................................... 29
5 Using MCS Mode..................................................................................................... 32
5.1 Menu Bar ................................................................................................................. 32
5.2 MCS Acquisition Controls and Indicators ................................................................ 33
5.3 MCS Analog Panel................................................................................................... 35
6 Procedures............................................................................................................... 36
6.1 Calibrating a Detector with Model 970..................................................................... 36
6.2 Adjust Hardware Settings ........................................................................................ 36
6.2.1 Radiation Source and Detector................................................................................ 36
6.2.2 Input and Polarity ..................................................................................................... 37
6.2.3 High Voltage ............................................................................................................ 37
6.2.4 Threshold ................................................................................................................. 37
6.2.5 Coarse Gain and Fine Gain ..................................................................................... 37
6.2.6 Shaping Time........................................................................................................... 38
6.2.7 Determining Initial Hardware Settings ..................................................................... 38
6.3 Perform Energy Calibration ..................................................................................... 39
6.4 Perform a Shape Calibration ................................................................................... 42
6.5 Create a Regions of Interest (ROI) Set.................................................................... 43
6.6 Performing an Efficiency Calibration........................................................................ 46
6.7 Fine Tuning Hardware Settings ............................................................................... 48
7 Support Programs.................................................................................................... 49
8 Specifications........................................................................................................... 50