CONTENTS
1. INTRODUCTION AND SPECIFICATIONS (PRODUCT DATA) 1
2. CONTROLS 9
2.1. FRONT PANEL 9
2.2. REAR PANEL 10
3. OPERATION 12
3.1. PRELIMINARY ADJUSTMENTS 12
Selection of Mains Voltage 12
Mains Fuse Checks and Replacement 12
Mains Connections 12
Grounding Considerations 12
3.2. USE WITH MEASURING AMPLIFIER 13
3.3. USE WITH SOUND LEVEL AND VIBRATION METERS 14
4. RECORDING OF FREQUENCY ANALYSES 16
4.1. USE WITH LEVEL RECORDERS TYPE 2306 AND 2309 16
4.2. USE WITH LEVEL RECORDER TYPE 2307 19
5. SPECIAL CONSIDERATIONS IN FREQUENCY ANALYSIS
23
5.1. FILTER DEFINITIONS 23
TheIdeal Filter 23
Bandwidth 23
Octaves and Third Octave 24
Specified Filter Frequencies 24
5.2. RMS MEASUREMENT AND STATISTICAL ACCURACY 25
5.3. PRACTICAL ANALYSIS OF STATIONARY SIGNALS 26
AveragingTime 26
DCor AC Recording 27
Writing Speed 27
PaperSpeed 28
6. SERVICE AND REPAIR
29
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