CONTENTS
INDEX ............................................................................................................................................................... 9
1 INTRODUCTION ...................................................................................................................................... 12
1.1 SV 971A AS SOUND LEVEL METER & ANALYSER ......................................................................................... 12
1.2 GENERAL FEATURES OF SV 971A ............................................................................................................. 13
1.3 ACCESSORIES INCLUDED ......................................................................................................................... 13
1.4 ACCESSORIES AVAILABLE ........................................................................................................................ 14
1.5 FIRMWARE OPTIONS AVAILABLE ............................................................................................................... 14
2 GENERAL INFORMATION ........................................................................................................................ 15
2.1 MEASUREMENT CONFIGURATIONS ............................................................................................................ 15
2.2 INPUT AND OUTPUT SOCKETS OF THE INSTRUMENT ........................................................................................ 16
2.3 INSTRUMENT POWER ............................................................................................................................. 17
2.4 CONTROL KEYS ON THE FRONT PANEL......................................................................................................... 18
2.5 WORKING WITH THE INSTRUMENT ............................................................................................................ 19
2.5.1 Measurement mode ................................................................................................................. 19
2.5.2 Configuration mode ................................................................................................................. 20
2.6 DEFAULT SETTINGS ............................................................................................................................... 23
2.7 DESCRIPTION OF ICONS .......................................................................................................................... 24
2.8 OVERLOAD AND UNDERRANGE DETECTION .................................................................................................. 25
2.9 SAVING DATA ...................................................................................................................................... 25
2.10 DOWNLOADING AND UPLOADING FILES ...................................................................................................... 27
2.11 ACTIVATING OPTIONAL FUNCTIONS ........................................................................................................... 27
3 MEASUREMENT FUNCTIONS AND CALIBRATION – FUNCTION ................................................................ 28
3.1 ACTIVATING MEASUREMENT FUNCTIONS – MEASUREMENT FUNCTION .............................................................. 28
3.2 CALIBRATION OF THE INSTRUMENT – CALIBRATION ....................................................................................... 28
3.2.1 Calibration – By Measurement ................................................................................................. 29
3.2.2 Last calibration record – Last Calibration .................................................................................. 30
3.2.3 History of calibrations – Calibration History .............................................................................. 30
3.2.4 Erasing calibration records – Clear History ................................................................................ 31
3.2.5 Post measurement calibration – Post Calibration ...................................................................... 31
3.2.6 Automatic calibration – Auto Calibration .................................................................................. 31
4 CONFIGURING MEASUREMENT PARAMETERS – MEASUREMENT ........................................................... 33
4.1 SETTING GENERAL MEASUREMENT PARAMETERS – GENERAL SETTINGS............................................................... 33
4.2 SETTING MEASUREMENT TRIGGER – MEASUREMENT TRIGGER ......................................................................... 35
4.3 SETTING PARAMETERS FOR PROFILES – PROFILES .......................................................................................... 37
4.4 SETTING ALARM THRESHOLDS FOR DOSE METER – ALARM ............................................................................... 38
4.5 CONFIGURING DATA LOGGING – LOGGING .................................................................................................. 38
4.5.1 Setting general logging parameters – Logger Setup .................................................................. 39