Soft-db Opus Suite SLM 4-Ch Module User Manual

Opus Suite SLM 4-Ch Module User Guide – v2.5 2012-12-06 Alto 6-Channel Concerto 4-Channel I-Track 6-Channel Compatible Hardware: Soft dB Inc. 1040,

7 5 Main Interface The main interface is divided in five areas: 1) Measure controls (see section 5.1, p. 8) 2) File Info (see section 5.2, p. 9)

8 Input Setup Number of inputs(1 to 4) Input type (ICP or AC) Dynamic range Sensor sensitivity Display Setup Elements to display during the measureme

9 5.2 File Info File Info This indicator displays the actual DataSet ID. These two buttons are used to open the previous/next DataSets in the Reco

10 Red background: Audio recording in progress on this input. Over/Under Range Transparent background: Input level is between the dynamic range limi

11 Launches the Record Setup (see section 8 ,p. 31) Comment / Tag Button Allows the user to write a comment on the measurement before it starts. Wh

12 5.5.2 Y Axis Scaling Each graph has a icon at the bottom left corner. Clicking on this icon adjusts the Y scale to the graph data. 5.5.3 Cur

13 5.5.3.1 Complementary Actions Associated to the Cursors 1) The length of the Historic graph is limited to 1000 values. When the number of val

14 3) Selecting versus on a Spectrum graph displays either the Global value or the Band value (associated to the cursor) on the Legend. 5.5.

15 5.5.4.1 Selecting the record The Audio Recording Indicator is displayed on the top of the magnified Time History graph. In the case of simultane

16 5.5.4.2 Playing the record Click the button at the right end of the Audio Recording Indicator to start playing the record. Adjust the volume

i CONTENTS 1 Introduction ...

17 6 Input Setup Click the button on the main interface to launch the Input Setup interface. The Input Setup allows defining: • Input Selection

18 6.1 Input Selection The Concerto allows the user to perform measurements on 1 to 4 inputs simultaneously. Click on the / button to enable or

19 6.4 Input Sensitivity and Calibration The input sensitivity can be manually changed in the text field or it can be calibrated using the calibrati

20 6.5 Reference Value The reference value is the unit reference from which the decibel (dB) is calculated. 6.6 FFT High Pass Filter The FFT spectr

21 7 Display Setup During a measurement, all acoustical parameters are calculated and available for display. The button launches the Display Setup

22 7.2 Graph Type For each graph, the Graph Type list box allows the user to select the graph type. ← Time History Graph of global levels (see sect

23 7.2.1 Time History Graph Available data Data Type Measure Type Display Type Freq Weighting Global level SPL Slow Instant, Max or Min A, C or Z

24 7.2.2 1/3 Octave Spectrum Graph Available data Data Type Measure Type Display Type Freq Weighting 1/3 Octave Spectrum level SPL Slow Instant, M

25 7.2.3 FFT Spectrum Graph Available data Data Type Measure Type Display Type Freq Weighting FFT Spectrum level Leq Running Average A, C or Z SEL

26 7.2.4 Numeric Indicators Available data Data Type Measure Type Display Type Freq Weighting Global level SPL Slow Instant, Max or Min A, C or Z

ii 7.2.6 Camera display ... 28 7.3 Dat

27 7.2.5 Statistic Graph Available data Data Type Measure Type Display Type Freq Weighting Global level SPL Slow Max, Min and Statistics A, C or Z

28 7.2.6 Camera display The camera display can be used to display the life video captured by a webcam. The camera settings can be adjusted from th

29 7.3 Data Selection The Edit button of the Data Selection allows selecting the data to display on each graph. Display Element Click / to ena

30 7.4 X Axis Properties The X axis range is automatically adjusted to the contained data. However, the 1/3 octave spectrum and FFT spectrum graphs

31 8 Record Setup The Record Setup allows the user to define: • Record Destination (see section 8.1, p. 32) • Dataset ID (see section 8.2, p. 37)

32 8.1 Record Destination Obviously, the measurements can be saved on the local drive. These data are recorded in a format compatible for post-proce

33 These DataSets are displayed as on the explorer window. The File/Open function in the main interface opens these DataSets to display them

34 8.1.2 Record on the Web When Web + Local Drive is selected, the data are saved both locally (see above) and remotely. New controls appear on the

35 The combination of the Base Path, Unit Serial Number and Station Name form the record path on the FTP server. The Unit Serial Number is related t

36 For example: • 20120831_14h56m15_Per1_DS0.dat: DataSet started on 2012-08-31 at 14:46:15, averaging period 1 (the main one), the first DataSet of

1 1 Introduction Congratulations on your purchase of the Opus Suite SLM 4-ch module. The Opus Software Suite is a Sound and Vibration software that

37 8.2 Dataset ID DataSet ID The ID Format allows the user to choose the name format of dataset files to be recorded. • Four-digit increment of t

38 8.2.1 DataSet and Leq Alignment In several cases, it is useful to align the Leq measurements to match the time on the clock. For example, it may

39 8.3 Auto-Store Setup The Auto-Store Setup provides several options for saving measurements. AutoStore Modes The measurement will stop after the

40 8.4 Data Selection The Data Selection area of the Record Setup Interface displays a summary of the options selected by the user. It also display

41 8.4.1.1 Instantaneous Record Mode The Instantaneous Record Mode records instantaneous values at a rate defined by the Instant Rate. This record m

42 Global SPL Slow Statistics A, C or Z SPL Fast SPL Impulse SPL Peak Leq and SEL Average 1/3 Octave Spectrum SPL Slow Statistics A, C and Z SPL Fast

43 8.4.2.2 Average Record Mode In Average Record Mode, the record rate can be set between 1 s to 24 hrs. Simply click on the field to modify this v

44 The Statistic L% Selection control let the user decide what statistics data will be saved. This control applies to all statistic data (both globa

45 8.5 Audio Setup The audio recordings are useful to identify the source of the noise that was measured. Recordings can be done on a level trigge

46 common audio players. Applying a gain exposes the audio signal to numerical saturations. Trig Tab The file format of the audio recordings. • OF

2 2 Compatible Hardware Every hardware option has an embedded state of the art Soft dB SR-MK3 DSP board allowing real-time and precise measurement w

47 OFF No audio recording is performed. ON Continuous audio recording is performed from the start to the end of a measurement. On Trig Recording is t

48 8.6 Photo Setup Along with the audio recordings, photos can be taken as an event occur or periodically. If activated, a camera will record a ph

49 8.6.2 Camera Setup Interface The Camera Setup interface is available from the Photo Setup interface. Camera Setup Interface The Camera Preview

50 8.7 Generator Setup To edit the Generator Setup, press the corresponding button on the Record Setup interface. There are two independent generat

51 8.7.1 Calibration Check The calibration check is generally used in long term or permanent environmental system. It is intended to periodically ve

52 Averaging Controls Starts and stops the average of the averaging of the spectrum. Once the Average Time in completed, the user is asked if the c

53 9 Data Exporter The Data Exporter utility is used to export data contained in a dataset in a .txt or .xls file Directory Path Shortcuts Tra

54 Directory Path Displays the path of the active directory. File/Folder Operators Can be used to: • Go to parent directory • Open directory • Ren

55 10 Explorer Dialog Explorer Window Controls and Indicators File/Folder Operators • Go to parent directory • Open directory • Create new folde

56 11 File Manager The File manager is used to perform most file operations: • Navigate the directory structure • Create folders • Rename files a

3 3 Opus Environment The Concerto unit comes equipped with the Opus Environment. This environment acts as a main interface that gives access to t

57 Directory Path Displays the path of the active directory. Shortcuts Allows easy access to common directories. When the File Manager is used on a s

58 Appendix 1: Concerto Hardware Connections 4 Inputs Mic Stand DC in ¼ 20 insert Power-on button Second Battery 2 Outputs USB port Right click

59 Power on/off Turn On Press the trigger button located at the back of the unit This key has two (2) functions: 1. To turn the unit ON. 2. Start

60 Power Reset If the Concerto happens to crash and it is not possible to take back the control, a power reset might be necessary. To complete the po

61 Inputs and Signal Processing Specifications (Embedded Signal Ranger MK3 DSP Board) DSP Processor Texas Instruments TMS320C6424 Inputs 4 Outputs 2

62 Appendix 2: 1/3 Octave Filters – IEC 61260 Class 1/ANSI S1.11 1/3 Octave Filters The 1/3 octave filters are computed at low-level in real time (at

63 Shape Test Numerical Results at 1 kHz The following table presents the numerical results of the shape test at 1 kHz: Frequency (Hz) Low limit (dB)

64 1/3 Octave Filter Linearity The linearity of the 1/3-octave filter has been measured for both ranges (low and high). The experimentation is done w

65 Frequency (Hz) Saturation Level (dB) Minimum Linear Level (dB) Linear Dynamic Range (dB) Noise Floor (dB) 10000 120.5 26.3 94.2 16.9 12500 120.5

66 Frequency (Hz) Saturation Level (dB) Minimum Linear Level (dB) Linear Dynamic Range (dB) Noise Floor (dB) 8000 132.5 32.7 99.8 22.4 10000 132.5

4 The Clock indicator displays the time and date on the unit. To change time, simply click on the indicator to display a dialog window. The Quit bu

67 Summation Test (High Range Case)-0.5-0.4-0.3-0.2-0.100.10.20.30.40.510 1001000 10000 100000Frequency (Hz)Amplitude dB

5 4 Quick Start The AutoStore Setup is presumed to set to OFF. Step 1 Set the Averaging Time Click on the field to change the Leq Averaging Time.

6 Before Measurement During Measurement After Measurement ← Run / Pause / Continue Button ← Stop / Save Button ← Current DataSet ← Previous / N