11 Preface 11
4.6 USB Address and RS232 Parameters ......................................... 55
4.7 Statistics ...................................................................................... 55
4.7.1 Graph ...............................................................................56
4.8 Math Functions ........................................................................... 57
4.9 Measurement Correction Settings .............................................. 58
4.10 59
4.11 Display Modes ............................................................................ 59
4.11.1 Numeric Display ..............................................................59
4.11.2 Analog Bar .......................................................................59
4.11.3 Analog Needle .................................................................61
4.11.4 Vertical Chart ..................................................................61
4.12 Firmware Upgrade Procedure ..................................................... 62
5 Performing Basic Measurements 64
5.1 Introduction ................................................................................ 64
5.2 Measurement Modes and Units .................................................. 64
5.3 CW Measurements ( with 918D or 818P Detectors ) ................. 65
5.4 Peak-to-Peak Power Measurements (918D Detectors) .............. 66
5.5 Power Ratio and Power Reference Measurements ..................... 66
5.6 Pulse Energy Measurements (818E Detectors) .......................... 67
5.7 Signal Integration Measurements (918D or 818P Detectors) ..... 68
5.8 Measuring Laser Pulse Energy with an 818P Thermopile
Detector (Single Shot) .............................................................. 68
5.9 Frequency Measurements (918D or 818E Detectors) ................ 70
5.10 RMS Measurements ................................................................... 71
6 Software Application 72
6.1 Overview .................................................................................... 72
6.2 Connection .................................................................................. 72
6.3 General Usage ............................................................................ 73
6.4 Menu Structure ........................................................................... 73
7 Computer Interfacing 75
7.1 General Guidelines ..................................................................... 75
7.2 Computer Interface Terminology ............................................... 75
7.2.1 <…> Delimiting Punctuation ..........................................75
7.2.2 <CR> Carriage Return .....................................................75
7.2.3 <LF> Line Feed ...............................................................75
7.2.4 (;) Semicolons ..................................................................75
7.2.5 <number> Numerical Types ............................................76
7.2.6 <string> String Types ......................................................76
7.2.7 Command Termination ....................................................76
7.2.8 Response Termination .....................................................76
7.3 RS-232C Communication .......................................................... 76
7.3.1 Setting Echo Mode From the Keypad .............................77
7.3.2 Setting Echo Mode via Remote Interface ........................77
7.3.3 Setting the USB Address .................................................77
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