Bedrock SM50 - Page 2

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2 Bedrock SMxx operating manual © Bedrock Audio BV, 2019

Table of Contents

Default Chapter3
- Contact Information and Support3
- Table of Contents4
1 Introduction6
2 Smxx Versions and Features7
3 How to Use this Manual8
- New in Firmware Version 2.48
4 General Use and Safety Precautions9
- Safety Precautions When Charging9
- Safety Precautions Related to Connectors10
5 Getting Started11
- Preparing and Booting the Smxx11
- The Smxx Main Menu11
- Customizing the Main Menu13
- Warning Dialogs13
- Layout of the User Interface14
- Some more Tips and Tricks15
6 Speech Intelligibility Measurements16
- Quick STIPA (Not Featured on the Bedrock SM30)16
- STIPA Pro (Not Featured on the Bedrock SM30)20
- Full STI (Not Featured on the Bedrock SM30)24
- Speech Level Meter (Not Featured on the Bedrock SM30)27
7 Level and Spectrum28
- SPL Meter28
- LAEQ Logging31
- Real-Time Analyzer (RTA)35
- Fast Fourier Transform Analyzer37
- Statistical Acoustics (Percentiles)39
- RTA Logging (Button)41
8 Room Acoustics42
- Reverberation Time Meter (RT60)42
- Noise Curves49
9 Electro-Acoustics52
- Oscilloscope52
- AC Volt Meter53
- Electric in RTA and FFT54
- Polarity54
10 Other Modules and Control Modes56
- Calibration56
- Settings58
- Status62
- USB Audio Device Mode63
11 Accessing Saved Measurements from a PC64
- Connect USB Cable64
- Copy Your Measurement Data64
- Resetting Measurement Number Series65
- About the File Format65
- Downloading Recorded Audio65
- Further Use of USB65
12 Remote Control from a PC66
- Remote Duplication of the Smxx Screen (Remote Display)66
- The Bedrock Remote Control API68
13 Power and Charging70
- Charging Instructions70
- Power Saving Recommendations71
- Use of Power Banks and External Battery Packs71
14 Cleaning, Maintenance and Calibration72
- Battery Disposal72
15 Product Warranty73
16 Firmware Updates75
17 Buttons, Icons and Symbols76
18 Technical Specifications80
- Linear Range (31 Hz - 4K - 8K - 12.5Khz)81
19 Troubleshooting82
- LED States83
- Firmware Update Error Codes83
- EC Declaration of Conformity84
- Annex A. Correction Factors for SPL Measurements (IEC-61672)85
- Annex B. Manufacturer's Instructions for Periodic Testing According to IEC-61672-398
- Annex C. Manufacturer's Instructions for Periodic Validation of STI Test Functions100