SQM-Leoperator's Manual

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SQM-LE Operator's Manual © Copyright 2005 - 2021 Version: 20210305 Company information Mailing address Unihedron 4 Lawrence Avenue Grimsby, Ontario L3M 2L9 Canada Telephone (905) 945-1197 Fax (905) 945-6770 Website unihedron.com Contents List of Figures ........................................................ 5 List of Tables ......................................................... 7 1 Introduction ....................................................... 9 1.1 QuickStart . 9 1.1.1 Setting up the instrument . 9 1.1.2 Other software . 9 1.1.3 FITS integration . 9 2 Measurements ...................................................... 11 2.1 Getting accurate readings . 12 2.1.1 Seeing conditions . 12 2.1.2 Light pollution . 12 2.1.3 Other luminance scales . 13 3 Theory of operation ................................................... 16 3.1 Light measurement . 16 3.2 Communication to the PC . 17 4 Specifications ....................................................... 18 5 Hardware connections .................................................. 19 5.1 Hardware connections . 19 5.1.1 Hub/Switch connection . 19 5.1.2 Wireless connection (wireless client bridge) . 20 5.1.3 More than one SQM-LE . 21 5.1.4 Direct connection . 21 5.1.5 Power over Ethernet (PoE) . 22 5.1.6 Lock switch . 23 6 Software development .................................................. 24 6.1 Writing your own software interface . 24 6.2 Pascal . 25 6.3 Custom web page . 25 7 Unihedron Device Manager .............................................. 26 7.1 Getting UDM . 26 7.2 Installation . 26 7.2.1 System requirements . 26 7.2.2 Windows . 26 7.2.3 Mac . 26 7.2.4 Linux . 26 7.3 Operation . 27 7.3.1 Start up . 27 3 Contents 7.3.2 Main screen . 27 7.3.3 Main menu . 28 7.3.4 File menu . 28 7.3.5 View menu . 29 7.3.6 Tools menu . 35 7.3.7 Help menu . 38 7.4 Information tab . 40 7.5 Log Continuous . 41 7.5.1 Import.dat into spreadsheet . 46 7.6 Calibration tab . 47 7.7 Report Interval tab . 48 7.7.1 Continuous reports . 48 7.8 Firmware tab . 48 7.8.1 XPort defaults . 50 7.9 Configuration tab . 50 7.9.1 Sensor arrangement . 51 7.9.2 Lock switch settings . 51 7.9.3 Vector datalogger . 51 7.9.4 Contour plot . 52 7.9.5 Minimum .dat requirements . 53 7.10 Simulation tab . 53 7.10.1 Simulation from file . 54 7.11 Accessory options . 55 7.11.1 Humidity accessory . 55 7.11.2 Display accessory . 55 7.11.3 LED accessory . 55 7.11.4 Relay accessory . 55 7.12 Command line parameters . 56 8 Commands and responses ............................................... 57 8.1 Commands . 57 8.2 Response details . 58 8.2.1 Reading request . 58 8.2.2 Unaveraged reading request . 58 8.2.3 Linear reading request . 59 8.2.4 Inline linear reading request . 60 8.2.5 Unit information . 61 8.3 Calibration commands . 62 8.3.1 Calibration information request . 62 8.3.2 Light calibration command . 62 8.3.3 Dark calibration command . 63 8.3.4 Disarm calibration command . 63 8.3.5 Manually set light calibration offset . 64 8.3.6 Manually set light calibration temperature . ..

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