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XL2 DataExplorer User Manual

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1. Project Result 00 25 00 30 0 69 0 658 55 SA Lvl 00 01 25 88 5 Project Result L amp eg dt Distribution 100ms Level statistics graph O 2015 NTi Audio AG MBe 83 9 81 8 68 2 59 6 Percentiles LM Percentiles a XL2 DataExplorer User Manual 13 Click on to switch to the Result view which provides an overview on the individual Marker data and the Project result highlighted row You may expand or collapse any of the Marker categories File View Markers Tools Help e ala E Results LAeq LAFmax LCeq dB dB dB Type Start Date Duration Recorded 0 25 00 66 9 T 72 1 Train 0 01 11 d 81 7 Bl Train 2014 01 17 11 53 37 0 00 26 79 8 D Train 2014 01 17 11 59 25 0 00 20 i 79 4 B Train 2014 01 17 12 12 30 0 00 25 84 1 Helicopter 0 00 30 E 76 1 O Helicopter 2014 01 17 12 06 45 0 00 30 76 1 Horn 0 00 14 li 75 6 L Horn 2014 01 17 11 57 22 0 00 04 4 72 1 El Horn 2014 01 17 12 02 25 0 00 10 1 76 4 Bell 0 00 79 1 69 7 0 69 3 Markers LAeq LAFmax LCeq dB dB dB Birds 0 01 10 59 3 69 1 63 4 D Birds 2014 01 17 12 08 39 0 01 10 59 3 69 1 63 4 Type Start Date Duration XL2 AZA 02868 D2 2 70 Start 2014 01 17 11 52 45 End 2014 01 17 12 17 50 Samples 301 15 000 14 Click on to edit the Report properties tick the checkboxes for the parts to be printed edit the corresponding text and optionally Browse to add y
2. qa B b Select Setup Levels and RTA clear the Chart Sia limas RTA Mash UN checkbox and tick the 1 3rd octave ChtView dae Bicis eror R Bonet Level Statistics 6 3 dt EN measurements or results that shall be Day Night Level 63 mm displayed by default m l c Select Setup Levels and Math clear the Chart C sos wa won in checkbox and select the SLMeter or RTA evel Statistics Level E Chart Color 7 Result calculation results that shall be displayed by Day Night Level Larsen dt LAeq dt m default LAFISeq LAeq o LAleq dt LAeq dt yj E LAleq LAeq El EN v LCeq dt LAeq dt v E LCeq LAeq al EN v LAE v Preferences Setup Levels SL Meter RTA Math LN Chart View SLMeter RTA Level Statistics Level From To 7 Chart Color E Result Day Night Level Yi dt 125 gt 80 0 m CL v n 125 80 0 E EN E 22 dt 50 0 v 315 0 EEE 2 50 0 315 0 E EN 23 dt 6 3 200000 E 13 63 20000 0 T pa v E Ge O 2015 NTi Audio AG MBe Project view 25 d Select Setup Levels and LN clear the Chart checkbox and select the Level Statistics that shall be displayed by default Hint The Pref
3. o clicking on the button of the Audio player Audio player You may switch off the AGC Automated Gain Control and manually adjust the gain However please note that in this mode the Audio player may still reduce the gain to avoid clipping Hint The AGC cannot be switched off if the XL2 audio file was recorded in the mode Compressed A GC You may access the WAV file s behind the Audio bar segments To do so right click on the requested segment and select Browse to Alternatively you may also hover over the time indicator in the Audio player to read the file path of the related WAV file O 2015 NTi Audio AG MBe Chart view 33 3 3 Setup Levels ENE coe Click on the z i amp amp button or press Ctrl L to select the sound levels math results and level statistics to be displayed in the Chart vew and Result view respectively Hint The displayed levels are selected independently for the Chart and the Result view Select All IM Select All LAeq dt LAeg LAeq LAFmax El LAFmax dt E LAFmin LAFmax E LCeq E LAFmin dt El LZeg E LAFmin Advanced E LCeg_ dt LCeg Example of available levels in Result view E L eg_dt E LZeg Advanced Example of available levels in Chart view Click on Advanced to open the Setup Levels panel which provides access to more settings a Sound levels e Tick the checkbox to select 7 i e display or deselect all lev
4. Example of a Data Explorer result table after export to MS Excel Copy bitmap to clipboard Right click on a graph and select Copy Bitmap the graph is now in your clipboard and may be pasted to a document etc Copy data to clipboard Right click on a graph and select Copy Data or Copy Selected Rows the relevant data is now in your clipboard and may be pasted to a table document etc O 2015 NTi Audio AG MBe Index A AGC 32 audio bar 28 32 player 28 32 audit intervals 35 activate 33 level statistics 52 percentiles 52 automated gain control 32 chart main 37 overvew 31 spectrogram 39 spectrum 39 view 28 clipboard 62 clipping 32 copy project 19 copy to clipboard 62 correction factor 33 cursor 42 lock 61 D data 21 export 48 60 62 flow 21 import 9 19 21 24 Data Explorer option 19 21 structure 7 day 55 example 56 default settings 24 33 54 55 2015 NTi Audio AG MBe E edit marker 45 error marker 45 evening 55 example 56 exclude 45 export data 62 project 19 export data 48 folder 19 gain control 32 H hardware 6 highlights 5 import preferences 24 repeat mode data 21 XL2 file 21 info section 28 37 installation 6 instance 7 internet 21 introduction 5 K k1 k2 33 key marker 45 L LDEN 55 example 56 legacy data 21 Index XL2 DataExplorer User Manual legend 39 level display 37 marker 45 overv
5. Max Y 100 0 Preferences Setup Levels Chart View Level Statistics Day Night Level Enabled Period Penalty dB Day Evening Night O E Split at Midnight c cones panel the Edit percentiles panel or the Day Night Level panel O 2015 NTi Audio AG MBe 26 XL2 DataExplorer User Manual 2 3 Project info As soon as an XL2 test file has been imported to the Data Explorer it becomes a Data Explorer Project with the following content e Logged level data e Recorded audio file if applicable e Project info See below e Events Markers created by the XL2 or by the user from within the Data Explorer e Report properties e List of level measurements e Expansion level layout of Result view also after exit amp re enter Hint To re establish the original status of a Data Explorer Project after you have amended the data simply re import the XL2 Test file Project Info pop up In the Chart or Result view you may move the cursor to the left bottom corner of the XL2 Data Explorer window to open the Project Info pop up The Project Info pop up contains the following list of non editable information Project Info Device Info XL SNo A2A 02868 D2 FW2 70 Mic Type Mic Sensitivity 39 9 mV Pa from M2230 S N 2601 Factory adjusted Profile Full mode Timer Mode single Timer Set 00 25 00 Log Interval 0 1 sec K1 0 0 dB K2 0 0 dB kset Date k Values not
6. New folder Y Favorites Marne Date modified Type BZ Desktop Downloads Recent Places MyTest SLM 000 XL2 28 04 2014 10 26 AL2 File Libraries E Documents a Music i Pictures BE Videos Computer gt BN AL Test Fade Fader File name MyTest SLM 000 XL2 Select XL2 Test file Hint It is recommended to keep a backup of the imported XL2 Test files or the converted XL2 Data Explorer files in case of loss of data O 2015 NTi Audio AG MBe 24 XL2 DataExplorer User Manual 2 2 Preferences The Preferences feature allows you to customize some default settings according to your demands e g the displayed level or RTA curves the Main chart Y axis scale the default percentiles or the Day Night Level periods The customized default settings a are automatically applied on all XL2 projects that are subsequently imported b may be applied individually by manual interaction on selected older XL2 projects To define the default settings select the menu File gt Preferences in the Project view Preferences E3 a Select Setup Levels and SLMeter clear the Setup Levels SLMeter RTA Math LN Chart checkbox and tick the level ChartView Level chat Color Rear Level Statistics LAeq_dt 7 E a measurements or results that shall be Day Night Level Lan a q displayed by default LAFmax dt o mm LAFmax Y Bi v E LAFmin dt E EN
7. 2 69 4 Example of Audit Intervals in the Result view Hint If an Audit Interval is completely covered by an Exclude Marker it has no results Please notice that e the duration of the Audit Intervals must be selected via the Setup Levels e if you double click on an Audit Interval line the software automatically toggles to the Chart view displays the corresponding section and locks the cursor to it O 2015 NTi Audio AG MBe 52 XL2 DataExplorer User Manual 5 Level Calculations The XL2 Data Explorer offers two tools for customized level calculations DA the Level statistics or percentiles are accessible via the Yo button ii the Day Night level window is opened by clicking on the Di button 5 1 Level statistics Click on yo to open the Level Statistics window select the Level and click on Salat to calculate amp display the statistical distribution of recorded dt values e Level select any dt value that has been recorded by the XL2 e Percentiles o click on to open the Edit percentiles panel o tick the Chart or Result checkbox to select i e display or deselect all percentile results in the corresponding view e Audit intervals if active click on an Audit Interval to see the corresponding level statistics and percentile results Do Level Statistics bolbos Based on LAeq dt v Edit LN Show in Chart V Result L10 L 5 0 L 10 0 L 50 0 L 90 0 9
8. Dame PR y pei Db arti judo ond TA La sr Cerro CIA DOR EE ML Ka DA OL Sen ml IA ALA pes E d n r 2 col ISO DA ILES BES Jun ER EL E i 2 EE DIMUS HE BOO ES RIS DU Dun ML EE SM mis Chart view Result view lim sme eher TA mE EE EEE h lbs ih NS as Mg rupta E TA a The SG I AL ee E36 XL2 Data Explorer views Hint By switching from the Chart view or Result view to the Project view all project data i e including your amendments will be automatically saved 2015 NTi Audio AG MBe ERN XL2 DataExplorer User Manual Multiple instances It is possible to run two or more instances of the XL2 Data Explorer on one PC 23 12 NTI Traffic Noise Demo 2 Processed XL2 Data Explorer 0 14 1 es EIZ NTI Event Audio and TA Lym Demo XL Date Eqptorer 0 14 1 He New Maters Help Ele Mew Manes Help 12 3 2198 8 0l Ey Y 2118 8 e ella AR Acer 3 C C Curva w Position 17 Jen 12 25 70 zaton 29 Jan 17113114 ED me Fei d 000 06 ED Tore Paa uto 0004 w LA k 30 d 5 Ling dr E z el Umati 475d ER x IE Laim de 174a 1155 00 120000 120600 121000 121500 n 43 d 201an17 1200 171300 121400 171500 Tuas M Lies ct 600 dB amp s j E 5 vi a so A f w a t N Jj L j Multiple instances This feature may be used for example for comparing a XL2 Test files that were recorded in the same location but at different dates b XL2 Test files that were record during the same event b
9. Example of Main chart mth Level RTA curves The Main chart shows the curves of the selected levels and RTA data over time e Zoom in to or out of a specific area e Move the cursor to a specific position in the Main chart to read the instantaneous value s of the displayed level s in the Info section Hint There is a gap between the start point of the recording and the first sample s of the result curve s This gap corresponds to the XL2 log Interval dt The first results are only available at the end of the first log interval whereas the audio file recording starts at the very beginning 243 2015 01 19 SLM 000 XLA Data Explorer 1 30 3 File View Markers Tools Help mix E se E JEW Bn y AGC m 13 Jan 10 47 00 10 48 00 10 43 00 10 50 00 10 51 00 ier Position 19 Jan 10 46 14 ff Time Resolution 00 00 10 LAeg dt 56 5 dB LAFmax dt 82 2 dB LAFmin dt 39 4 dB LCPKmax dt 95 2 dB Project Result Start 19 Jan 10 46 04 End 19 Jan 10 51 04 slim 00 05 00 Lfeq Cursor RTA 64 9 3 32 4 p p U L XL2 A24 05497 E0 2 20 Start 2015 01 19 10 46 04 End 2015 01 19 10 47 44 Samples 10 30 The audio file recording starts at the very beginning 0 s while the first samples are only available after the first logging interval dt has elapsed 10 s O 2015 NTi Audio AG MBe 38 XL2 DataExplorer User Manual Info section The Info section provides contextual information related to the displayed levels and
10. FW2 70 Mic Sensitivity 39 9 mV Pa from M2230 S N 2601 Factory adjusted Range 0 100 d8 Hope you enjoyed this demo NTi Audio AG Example of print preview Hints If you lock the cursor within the Main chart or Spectrogram the corresponding data are added to the printout The report printout includes neither the default size RTA spectrum nor the Level statistics O 2015 NTi Audio AG MBe ez XL2 DataExplorer User Manual 6 3 Data Export Export to MS Excel Click on the EA button to export the numerical data of the Result view to an MS Excel spreadsheet di 1 uS d O r fe Results B Results 3 Recorded Train 5 Train 17 01 2014 11 53 Train 17 01 2014 11 59 Train 17 01 2014 12 12 Helicopter Helicopter 17 01 2014 12 00 10 Horn 1 Hom 17 01 2014 11 57 Hom 17 01 2014 12 02 13 Bell Bell 17 01 2014 12 15 15 Project Result is Markers i En 17 01 2014 12 08 20 M 4 H 72 NTi Traffic Noise Demo 2 Pr 4 Bereit Start Einf gen Seitenlayout Formeln 0 25 00 0 01 11 0 00 26 0 00 20 0 00 25 0 00 30 0 00 30 0 00 14 0 00 04 0 00 10 0 00 10 0 00 10 0 22 55 0 01 10 0 01 10 Daten berpr fen 18 3 78 76 6 79 6 39 3 99 3 Ansicht 2 Type Start Date Duration LAeg LAFmax 3 66 9 89 89 84 5 81 9 89 19 7 mf 88 4 72 8 66 4 79 1 79 1 18 2 69 1 69 1 Wal Entwicklertoals Acrabat BH 100 2
11. a while e Marker 5 gt LM the XL2 input level exceeded the user defined threshold e Marker 6 9 gt Key 1 4 the operator pressed the XL2 Input Keypad during the recording e Marker 10 gt Error a technical problem e g SD card overflow occurred during the recording Create edit or delete a Marker Markers can be created edited or deleted using buttons context menus or the keyboard Add Marker 1 Select the Marker type using the D Exlude combo box then click on the e button OF press the corresponding number key 0 9 on the PC keyboard 2 Create the Marker by selecting an area in the Main chart with left click drag Hint Overlapping Markers are supported Marker type position duration The type the start end points or the duration of any Marker can be edited regardless whether it has been imported from an XL2 test or created in the Data Explorer software Right click on the Marker or Marker name in the Main chart and select Edit then e amend the Marker Type Start End or Duration in the Info section or e click on the left or right edge of the Marker band and manually adjust it with the HP cursor or e click on the Marker band and pan it with the gt cursor Click on OK in the Info section to confirm or on Cancel to abandon your changes Delete To remove a Marker e right click on it in the Main chart and select Marker Delete or e right click on its name in the Main chart and sele
12. created any Marker may be edited or deleted by the user Marker types The XL2 Data Explorer supports eleven 11 different Marker types which are by default labeled Exclude and Marker 1 10 The name and color of each of these Marker types may be edited Also you can choose whether each Marker type should be Excluded from the Result calculation je ad Click on LALA to open the Define Marker Types panel Define Marker Types Marker Mame Excluded Color Train Fj Helicopter af Marker 6 Marker 7 Marker 8 1 2 3 4 3 6 7 8 9 Marker 9 Marker 10 Example of edited Marker types The panel shows the 11 Marker types e Double left click on any entry in the first column to edit the corresponding Marker Name consequently the name of all Markers of this type in the Main chart or Result view will be amended e Tick the checkbox in the second column to exclude all Markers of this type from the level result calculation e Amend the color of any Marker type via the corresponding dropdown menu Hints The level data of an excluded Marker is not considered for the overall level result calculation In the Main chart every excluded Marker is identified by a minus sign in front of its name 2015 NTi Audio AG MBe 46 XL2 DataExplorer User Manual If Markers were set by the XL2 unit during the recording they are assigned and labeled as follows e Marker 4 gt Pause the XL2 recording had paused for
13. dB Project Result Start 17 Jan 11 52 48 Eu 17 Jan 12 17 48 Ditrstinn 00 25 00 Cursor RTA LZeq Frequency 63 0 Hz Value 66 2 dB 17 Jan 11 55 00 12 00 00 12 05 00 12 10 00 12 15 00 8 16 31 5 63 125 250 500 1k 2k 4k 8k 16k XL2 A2A 02868 D2 2 70 Start 2014 01 17 11 52 45 End 2014 01 17 12 17 50 Samples 301 15 000 Chart view wth large RTA spectrum O 2015 NTi Audio AG MBe Chart view NEN Buttons O 2015 NTi Audio AG MBe Description Return to Project view Switch to Chart view Switch to Result vew Select the levels to be displayed Print the project report Preview the project report Open the Report properties Change the layout of the chart vew Main chart only with Spectrogram with large RTA spectrum Zoom by Date Time Zoom In Zoom Out Zoom All out Pan left Pan right Edit the name function or color ofthe Markers Add a Marker Select the type of anew Marker Open the Level statistics window Open the Day Night Level window XL2 DataExplorer User Manual Time axes The time axes always show the absolute date amp time as recorded by the XL2 at the time when the level data was acquired e The time axis of the Overvew chart always shows the full recorded period e The time axis of the Audio bar Main chart and Spectrogram automatically adapts to the current zoom range Separator The separator line between the Main chart and the Spectrogram can be shifted vertical
14. graph select Zoom and manually enter the preferred Min X Max X Max Y values o right click on the graph and select Zoom All Out to return to the full view O 2015 NTi Audio AG MBe o5 XL2 DataExplorer User Manual 5 1 1 Percentiles The list of LN values for the percentiles calculation can be edited as follows e Enter a numerical LN value in the top input box and click on Add e Select an LN value from the list and click on Delete or Delete All e Click on Apply Default to apply the default values Edit LN LN Value 10 Apply Default mm TN Edit percentiles panel Hint The default list of LN values may be defined via the preferences XL2 Test files that have been previously imported may be adjusted by clicking on the Default button O 2015 NTi Audio AG MBe Level Calculations 55 5 2 Day Night Level The Day Night Level window calculates the Lay Ley ening L ight bow MN levels with indiwdual weightings penalties 1 Day Night Level Enabled Day 0 0 Evening 5 0 og 100 El Split at Midnight Day Night Calculation Example of Day Evening Night time scheme wth penalties Time scheme and penalties The top section of the window comprises of the parameter settings for the time scheme and penalties e Enabled Period each 24 hour period can be divided into between 1 and 3 periods 1 Day gt always enabled 2 Night gt tick checkbox to enable a separate result calculation o
15. in the Main chart or on a Marker label then move it over the RTA spectrum f 400 Hz Leg 53 9 dB 104 7 Cursor RTA RTA spectrum wth readout default size above large size below O 2015 NTi Audio AG MBe az XL2 DataExplorer User Manual 3 7 Cursor The cursor mouse pointer can be used to perform several actions e Readout the instantaneous level results gt info section or level amp frequency gt RTA spectrum e Zoom amp pan e Start audio file replay right click on the required start point in the Main chart or Spectrogram then select Play from here Readout The info section shows the instantaneous level or spectrum of the cursor position in the Main chart or Spectrogram e f the cursor is located in the Main chart the info section shows the corresponding level values In addition the intersection s of the cursor and the displayed curve s are highlighted by a small x e f the cursor is located in the Spectrogram the frequency and the level value that corresponds to the actual cursor position is also shown in the Info section Cursor color The default cursor color is red While the audio file is playing the cursor is blue Zoom in out pan e Zoom in o select the zoom area with left click drag over the target area of the Main chart or Spectrogram or o use the scroll wheel of your mouse e Zoom out o double left click on the Main chart or Spectrogram or o use the scroll
16. project report click on Browse to select your logo e Tick the checkboxes of the sections that shall be included in the report Report Properties Title Industriel nm Muster AG v Introduction TaktMax Pegelmessung gem ss dem Deutschen TA L rm Standard TA Technische Anleitung zum Schutz gegen L rm Automatische Audio Aufzeichnung bei berschreitung von 66 dB IM Conclusion Jan 2014 MBe LIECHTENSTEIN Example of Report properties O 2015 NTi Audio AG MBe 6 2 Report printout Printouts You can create and customize printable reports of the selected project data with the XL2 Data Explorer software 1 Edit the Report properties optional 2 To preview the print click on the Print Preview button or select the menu File gt Print Preview 3 To print click on the Print button or select the menu File gt Print de LIECHTENSTEIN ws LIECHTENSTEIN NTi Traffic Noise Demo 2 Processed Results Start 2014 01 17 11 52 48 Type Start Date Duration LAeq LAFmax LCeq dB dB dB End 2014 01 17 12 17 48 Recorded 0 25 00 66 9 8 0 721 This demo project shows some advanced features of the XL2 Data Explorer Version 1 0 Train 0 01 11 78 3 89 0 817 It contains 25 minutes of data and audio recorded near a street and a train line in Schaan Liechtenstein Train 2014 01 17 11 53 37 0 00 26 778 845 798 Trai 01 17 1
17. to zoom in out e Click on the 5 button to open the Zoom panel and manually edit the X axis zoom range Y axis scale and the RTA axis color scheme Start 2014 01 17 11 52 48 End 2014 01 17 12 17 48 Duration 00 25 00 Y Axis RTA Axis Auto R Zoom panel Hint The Y axis scaling may be adjusted to a predefined default via the preferences To adjust the Y axis of an XL2 Test file that has been previously imported right click on the Y axis section of the Zoom panel and select Default e Return to the overall view Fs T Zu o clickon o double click on the Main chart o right click on the Main chart or Spectrogram and select Zoom All Out Pan When you are zoomed in there are several ways to pan e Click on the 417 or button e Press the left right arrow on the PC keyboard e Click on the zoom range in the Overview chart and move it with the mouse e Press Ctrl left click in the Main chart or Spectrogram and move the zoom range with the mouse O 2015 NTi Audio AG MBe Chart view 45 3 9 Markers Markers are a very helpful way to e exclude user defined areas of the recording from the overall result calculation e and highlight specific events that occurred during the recording Markers are either logged by the XL2 during the recording or manually added by the user within the Data Explorer Every Marker is displayed as a colored band in the Main chart Irrespective of how it was
18. 1 40 10 la amp Ele View Markers Tools Help eum 8 ig A amp amp amp e o Es Vou a Audio gt AGC 12 05 00 12 10 00 ass Cursor Position Time Resolution 00 00 05 LAeq dt LAFmax dt Project Result Start 17 Jan 11 52 48 End 17 Jan 12 17 48 Duration 00 25 00 LAeq 66 9 dB LAFmax 89 0 dB 17 Jan 11 55 00 12 00 00 12 05 00 12 10 00 12 15 00 L eg Project Result RTA 17 Jan 11 55 00 12 00 00 12 05 00 12 10 00 12 15 00 16 B3 250 1k 4k 16k AL A2A 02868 D2 2 70 Start 2014 01 17 11 52 45 End 2014 01 17 12 17 50 Samples 301 15 000 zia 1 NTi Traffic Noise Demo 1 Plain XL2 Data Explorer 1 40 10 Ele View Markers Tools Help EEE eeg x a Results Type Start Date Duration Ei m Recorded 00 25 00 CCT 2500 ses so Markers b LAeq LAFmax Type Start Date Duration dB dB Lvl 00 01 25 71 3 89 0 Audit Intervals LI M Start Date Duration dB a u 2014 01 17 11 50 00 00 02 12 2014 01 17 11 55 00 00 05 00 2014 01 17 12 00 00 00 05 00 2014 01 17 12 05 00 00 05 00 2014 01 17 12 10 00 00 05 00 2014 01 17 12 15 00 AL2 A2A 02868 D2 2 70 Start 2014 01 17 11 52 45 End 2014 01 17 12 17 50 Samples 301 15 000 Example of Result view with audit interval 5 O 2015 NTi Audio AG MBe Chart view 3 5 Main chart Info section Main chart 100 30 50 2 Helicopter FO BU 50 40 3D 20 10 17 Jan 11 55 00 12 00 00 12 05 00 12 10 00 12 15 00
19. 1 592 76 1 79 Areas marked as Train Horn Helicopter and Bell are excluded from the result r comenda c Train 2014 01 17 12 12 30 0 00 25 79 6 89 0 841 This text as well as the logo on the Report may be edited in the File gt Project Properties window Helicopter 0 00 30 71 3 79 7 761 This demo is an extension of NTi Traffic Noise Demo 1 Plain Helicopter 2014 01 17 12 06 45 0 00 30 713 797 761 Horn 0 00 14 74 4 88 4 75 6 mi Horn 2014 01 17 11 57 22 0 00 04 680 728 721 1 Horn 2014 01 17 120225 0 00 10 75 5 884 764 69 7 TA E Project Resat 102055 Terz 782 694 A I lA Fim am d Mr 7 Markers P M Arh Mar N TA fa h int ne Ly Type Start Date Duration LAeq LAFmax LCeq 4 1 An er ala ET Ww N Wy py a i W wy y AN y la dB dB d8 Birds 0 01 10 59 3 69 1 63 4 jd Birds 2014 01 17 12 08 39 0 01 10 593 69 1 634 This text may be edited in the File gt Project Properties window Some suggestions for modifying the content of this Report to suit your presentation Edit the Project Properties Zoom and or scroll the charts to the specific area which you want to see in the report Hide show the spectrogram Configure the Measurements LAEQ LAF in View gt Customize Measurements Collapse expand Markers in the Results view Cursor 2014 01 17 12 12 40 Frequency 400 Hz LZeq 83 3 d8 R ga d outs of TC UT locked cursor Device Info XL2 SNo A2A 02868 D2
20. 2 10 00 12 15 00 sd ER Project Result RTA LZeq Frequency 400 0 Hz Value 61 1 dB XL2 AZA 02868 D2 2 70 Start 2014 01 17 11 52 45 End 2014 01 17 12 17 50 Samples 301 15 000 O 2015 NTi Audio AG MBe 12 XL2 DataExplorer User Manual 9 Select the menu View gt Setup Levels to choose which levels are displayed in the Main chart and select the appropriate colors Here you may also enable or edit the values of the correction factors k1 k2 SU Meter k2 Ml Chart Color E Result co _ u Level LAeq dt LAeq LAFmax_dt RW 3 LAFmax LAFmin dt LAFmin LCeg dt LCeq LZeg dt kl El El E El El El El El E El Es mp mp qm mp gen mu pm qm mj a mp pm pp mp a LZeq kl dB 0 0 k2 dB 0 0 Audit Intervals Mone 10 Listen to the sound recording to identify or further analyze an event click on the corresponding point in the Audio bar to replay the sound 71 NTi Traffic Noise Demo 1 Plain XL2 Data Explorer 1 20 4 File View Markers Tools Help lt a Ep Oe Q E ev s e Q 4 m E E Wr B exuce Audio N 4 AGC 12 00 00 12 05 00 12 10 00 12 15 00 Giir Position 17 Jan 12 12 12 Time Resolution 0 00 01 LAeq_dt 55 3 dB LAeq 66 1 dB Project Result Start 17 Jan 11 52 48 End 17 Jan 12 17 48 Duration 0 25 00 LAeq 66 9 dB LAFmax 89 0 dB 17 Jan 12 12 20 12 12 40 12 13 00 LZeq Cursor RTA 17 Jan 12 12 20 12 12 40 1
21. 2 13 00 16 63 250 1k 4k 16k Start 2014 01 17 12 12 02 End 2014 01 17 12 13 13 Samples 72 15 000 2015 NTi Audio AG MBe Introduction 11 To highlight an area or exclude it from the overall result calculation add a Marker first select the Marker type using the El Exclude button click on the Y button and then left click drag with the mouse over the Main chart to add the Marker x2 Z1 NTi Traffic Noise Demo 1 Plain XL2 Data Explorer 1 20 4 File View Markers Tools Help 38 A m A Er 2 17 Jan 11 55 00 12 00 00 12 05 00 12 10 00 12 12 40 LZeq 17 Jan 12 12 00 12 12 20 16k 1 Jan 12 12 00 12 12 20 12 12 40 XL2 A2A 02868 D2 2 70 o 12 Click on to open the Level statistics window and then on Q Y Ep 12 13 00 Start 2014 01 17 12 11 59 End 2014 01 17 12 13 14 Samples 76 15 000 J Yes Audio PA 12 15 00 Dur Position 17 Jan 12 12 38 Time Resolution 0 00 01 LAeq dt 88 0 dB LAeq 66 9 dB Project Result Start 17 Jan 11 52 48 End 17 Jan 12 17 48 Duration 0 25 00 LAeq 66 9 dB LAFmax 89 0 dB 12 13 00 Cursor RTA 104 7 83 8 62 8 41 9 20 9 0 0 16 63 250 1k 4k 16k distribution of dt values in a graph as well as the Percentile results in a table Level Statistics Based on LAeq dt Edit LN Show in d L1 0 56 Type Start Date Duration dB Chart V Result L 5 0 56 L 10 0 L 50 0 L 90 0 55 954 dB dB dB dB
22. 20 9 0 0 12 10 00 12 15 00 16 63 250 1k 4k 16k Start 2014 01 17 11 52 45 End 2014 01 17 12 17 50 Samples 301 15 000 2015 NTi Audio AG MBe Introduction 7 You may zoom into any area of the Main chart or Spectrogram left click drag with the mouse over the area of interest The zoom response is instantaneous In addition the Info section on the right hand side of the Main chart shows the instantaneous levels at the current Cursor position as well as the result of the whole project x 2 71 NTi Traffic Noise Demo 1 Plain XL2 Data Explorer 1 20 4 File View Markers Tools Help 5 82 pm e amp e Ei DM Audio urere merde eo Ic AA Lara penta han urn 17 Jan 11 55 00 12 00 00 12 05 00 Cursor Position 17 Jan 12 12 38 O_O Time Resolution 0 00 01 LAeq dt 88 0 dB LAeq 66 9 dB DF Project Result Start 17 Jan 11 52 48 End 17 Jan 12 17 48 l Duration 0 25 00 LAeg 66 9 dB a C LAFmax 89 0 dB 17 Jan 12 12 20 12 12 40 12 13 00 f 400 Hz LZeq 85 8 dB 17 Jan 12 12 20 12 12 40 12 13 00 16 63 250 1k 4k 16k XL2 A2A 02868 D2 2 70 Start 2014 01 17 12 12 02 End 2014 01 17 12 13 13 Samples 72 15 000 File View Markers Tools Help meg 17 Jan 11 55 00 12 00 00 12 05 00 12 10 00 12 15 00 Position Time Resolution 0 00 05 LAeq dt LAeq LAFmax Project Result Start 17 Jan 11 52 48 s 15500 T2000 DESEE EMEN l End 17 Jan 12 17 48 17 Jan 11 55 00 12 00 00 12 05 00 1
23. 5 L 954 Type Start Date Duration dB dB dB dB dB Project Result 00 25 00 80 0 69 0 65 8 59 5 534 Lvl 00 01 25 88 5 83 9 81 8 68 2 59 6 m Project Result LAeq dt Distribution 100ms Percentiles LN Level statistics graph Percentiles Level statistics window Pa Level Statistics ole x Based on LAeq dt v Edit LN Show in W Chart V Result Type Start Date Duration L E L erta L xen L eds L 2 LE Project Result 00 25 00 80 0 69 0 65 8 59 5 53 4 5 Lvl 00 01 25 88 5 83 9 81 8 68 2 59 6 an 2014 01 17 11 50 00 00 02 12 Audit interval 835 799 71 6 579 52 6 2014 01 17 11 55 00 00 05 00 2014 01 17 12 00 00 00 05 00 2014 01 17 11 55 00 L4eq_dt Distribution 100ms Percentiles LN Level statistics of selected audit interval 2015 NTi Audio AG MBe Level Calculations 0 1 Hint A red exclamation mark next to the button Ya shows that the level statistics have to be re calculated This has to be done every time when you activate amend or deactivate the Audit Intervals or one or several Markers Level statistics graph e Axes o the left axis refers to the dt levels green bars o the right axis refers to the percentiles blue line e Cursor hover over the graph to read out the dB value probability and cumulative probability at the corresponding x axis position e Zoom o click amp drag to select an area of the graph that shall be enlarged o right click on the
24. 5 NTi Audio AG MBe
25. A Test files that were recorded on an XL2 with the Data Explorer Option installed on the XL2 device at the time of recording the data can be imported directly to the Data Explorer software B Test files that were recorded on an XL2 without the Data Explorer Option installed on the XL2 device at the time of recording the data Legacy data require an internet connection in order to be imported to the Data Explorer software XL2 Test Data import procedures NOTE The XL2 Data Explorer allows the import of XL2 log files regardless in which mode they have been recorded however this does not include the cycle results that were acquired in the Repeated Timer mode O 2015 NTi Audio AG MBe 22 XL2 DataExplorer User Manual Import procedure 1 Define the Y axis and percentile preferences for imported files optional 2 Connect the XL2 to your PC with the Data Explorer software via the USB interface or insert the SD card into a card reader and copy the required XL2 test files to the hard disk wd Computer NTi Audio XL2 E Projects MyProject Su Organize Share with Burn Mew folder Tr Favorites idis Desktop m Downloads Recent Places MyTest SLM 000 XL2 MyTest SLM 000 123 Log tt MyTest SLM 000 123 Report bd J MyTest SLM 000 Audio FS133 7dB PK 00 wav MyTest SLM 000 RTA Oct Log b MyTest SLM 000 RTA Oct Report bd all Libraries Documents a Music
26. NT OOOd00 0 00000000 o USER MANUAL all E AUDIO User Manual XL2 Data Explorer PC Software for the Analysis of XL2 Sound Level Data Doc version 1 4 0 0e Refers to SW v1 4 0 or higher x NTi Audio AG is an 1509000 2008 o y certified company www nti audio com o O OO O O O O O O O O O O 0 o o o o July 15 MBe Contents Table of Contents Part Introduction 5 Y INSANO SR Dias Ri APA Ra WANA AULA RIA MARI tn 6 2 SOHWAare sITHcluEe nie 7 SU EONA aaa an 9 4 LICONSA ME ia A a 16 Part ll Project view 19 1 Data Ninive pice 21 A A O TEL 24 3 Proje CHIN AA Sd aE aa 26 Part Ill Chart view 28 1 MOVE EVICW Charte rai SS Eee RD a a ee ate aunt ane US 31 2 Audio Dar DAVE apa liada 32 gt Setup Level canica 33 42 AU ii raiasree 35 5 Main chart Info Sechan ae dada 37 6 Spectrogram RIA SPE CTUM ios ese sel er ee en 39 E SCUFISOP eis a AA RR RAR CI ER AA 42 8 Z00M UN t e 44 S MAKETS ius iio ad 45 Part IV Result view 48 1 Markers In RG SUIT VIEW ua aan 49 2 Audit Intervals tin Result VIA WA ara 50 Part V Level Calculations 52 Mi MO VG SI eec Re 52 Pereentlles Wa AE EEE SE EN 54 2 Day Night i i pc 55 LDEN SXamples naa A RE 56 Part VI Reporting 60 Report DIODES ELS eins ERE 60 REDOFEPFINIOUF near en ne a ee ee ee 61 Data EXPO uti E a HM M E NE TUE 62 Index 63 2015 NTi Audio AG MBe Introduction 5 1 Introd
27. Pictures BE idas j 6 items Date modified 28 04 2014 10 26 28 04 2014 10 26 28 04 2014 10 26 28 04 2014 10 26 28 04 2014 10 26 28 04 2014 10 26 Example of XL2 Test files with continuous audio file QC Computer MTi Audio AL2 E Projects MyProject Organize Share with Burn New folder ur Favorites Name BE Desktop m Downloads L Ei Recent Places Lo 2014 04 28 SLM 000 AudioEvent 0001 0200 2014 04 28 SLM 000 XL2 C 2014 04 28 SLM 000 123 Log bd CS 2014 04 28 SLM 000 123 Report txt 2014 04 28 SLM 000 RTA Oct Log bt _ 2014 04 28 SLM 000 RTA Oct Report bxt Libraries E Documents al Music Pictures AA Widen j 6 items Date modified 28 04 2014 11 15 28 04 2014 10 25 28 04 2014 10 24 28 04 2014 10 25 28 04 2014 10 24 28 04 2014 10 25 Type XL2 File Text Document Text Document Wave Sound Text Document Text Document Mmm UL LE t Type File falder Text Document Text Document Text Document Text Document Example of XL2 Test files wth segmented audio files 3 Click on the Import button in the Project view and select the xl2 test file to be imported Hint them into the Data Explorer It is strongly recommended that you copy the XL2 test files to the PC hard disk first and then import O 2015 NTi Audio AG MBe Project view 23 xt Open QCGO u k Computer MTIAUDIOXL2 E Projects MyProject Search MyProject Organize
28. a acquisition Audio ME Example of a continuous Audio bar l W 9 3 wW o ENE Example of a segmented Audio bar The Audio bar is normally continuous but can also be segmented For example if the XL2 Log Audio mode was switched to Events Only Furthermore longer audio recordings will be concatenated as the maximum file size for an audio log is restricted to approx 500 MB 1 hour full audio or 12 hours compressed audio The area displayed in the Audio bar always corresponds to the content of the Main chart i e the zoomed area The vertical lines below the Audio bar consequently refer to the time scale of the Main chart too There are three ways to listen to the recorded audio file a To replay the audio file you may Lock Cursor o click on the desired position in the audio bar or ZOOM o right click on the Audio bar the Main chart or the Spectrogram and Zoom All Out select Play from here or o click on the button of the Audio player Play from here b To pause the audio file replay Copy Bitmap o press the Space bar or o right click on the Audio bar the Main chart or the Spectrogram and ONGEA COMLEX MENU select Pause or o click on the button of the Audio player c Stop the audio file replay by 00 00 07 9 o pressing the Esc button or o right clicking on the Audio bar the Main chart or the Spectrogram AGE 26 dB and select Stop or
29. ct Delete Marker Spectrum You may either display the RTA spectrum of a specific Marker or of all Markers of the same type a RTA spectrum of a specific Marker i Right click on the Marker name and select Lock ii Right click on the Marker area and select Marker Lock b RTA spectrum of all Markers of the same type i Right click on the Marker name and select Lock All of Type Mark erName ii Right click on the Marker area and select Marker gt Lock All of Type Mark erName O 2015 NTi Audio AG MBe poa XL2 DataExplorer User Manual 4 Result view The Result vew summarizes the numerical results of the selected levels in a table DE mE Hint Click on E to select the level results that are displayed in the columns Notice that the Result view does not display dt values 22 Z2 NTi Traffic Noise Demo 2 Processed AL Data Explorer 1 40 10 File View Markers Tools Help EN Start Date Duration 00 25 00 Train 00 01 11 Helicopter 00 00 30 O Helicopter 2014 01 17 12 06 45 00 00 30 Horn 00 00 14 00 00 10 69 3 z Bell 3 79 1 Markers Type Start Date Duration E Birds 00 01 10 Audit Intervals Type Start Date Duration 10 2014 01 17 11 50 00 00 06 22 10 2014 01 17 12 00 00 00 09 20 10 2014 01 17 12 10 00 AL A2A 02868 D2 2 70 Start 2014 01 17 11 52 45 End 2014 01 17 12 17 50 Samples 301 15 000 Example of Result view Structure The Result view is vertically divi
30. ded in two sections Project Results and Markers a Project Results 1 Recorded the overall level results including the data of all Markers 2 Every Marker with a sign in front of its name is excluded from the Result and shown separately 3 Result highlighted row the overall level results without considering the data of the excluded Markers b Markers The individual results of all remaining Markers i e no excluded Markers c Audit Intervals The individual results of all Audit Intervals O 2015 NTi Audio AG MBe Result view NOS Features The following operations are supported in the Result view e Select the levels that are displayed e Click on or to expand or collapse Markers e Right click to the Result view and select Expand All or Collapse All applies to all Marker categories e Double click on a Marker or an Audit Interval to open the Chart view with the zoom range at the selected Marker position Audit Interval respectively e Delete a selected Marker if necessary e Click on E to export the formatted table to an MS Excel file e Open the Level statistics calculation e Open the Day Night Level calculation Hint All settings are saved in the Project i e the Result view layout will re open in its last state when the project is opened again 4 1 Markers in Result view The Result vew shows the Type Start Date Duration and the measured level s within the corresponding Mar
31. el or RTA curves and results in the corresponding view e Tick the particular checkboxes of the levels RTA spectra or correction factors k1 k2 that shall be displayed e Edit the values of the correction factors k1 k2 Setup Levels Setup Levels SLMeter RTA Math UN SLMeter RTA Math iN Level kl k2 E Chart Color Result Level LZeg Chart Color F Result LAeq dt Oo E El 6 3_dt E EE E LAeq 7 mm q 63 E lm o LAFmax_dt O E 57 a 8 0 dt 7 EE LAFmax Oo E Eq EN El 80 a EN EJ LAFmin_dt E E E p 10 0 dt amm LAFmin EN E 10 0 E E LCeq dt O E EN 12 5 dt mM ES Leg DO 0 ME c 125 o Mm o LZeq dt EN 16 0 dt imm EE E 160 e c ki dB 0 0 k2 dB 0 0 Mum EI NEN nn m _ Audit Intervals None Cane Audit Intervals None Cancel Setup Levels panel tabs SLMeter and RTA Hint Activate an Audit Interval if required optional 2015 NTi Audio AG MBe 34 XL2 DataExplorer User Manual Hint By right clicking on the SLMeter or RTA Setup Apply Default Levels panel you may a apply the current default settings b select all dt values in the list c deselect all dt values in the list b Math results S
32. elect All_dt Deselect All dt e Tick the checkbox to select i e display or deselect _ all math results in the corresponding view e Tick the particular checkboxes of the math results that shall be displayed Setup Levels SLMeter RTA Math SLMeter RTA Level LCeq dt LAeq dt LCeq LAeq Audit Intervals None Setup Levels SLMeter Math LN SLMeter RTA E Chart Color E Result Level LZeq From To Y Chart Color E Result D EN yl dt 125 v 800 7 4 EN n 125 80 0 7 X2 dt 500 v 200 7 4 2 50 0 50 0 v 4 23 dt 63 y 200000 v EN 2 63 20000 0 E EN Cancel Audit Intervals None Cancel Setup Levels panel tabs Math SLMeter and Math RTA NOTE Math values are only available if the corresponding raw data have been logged in the XL2 project c Level statistics e Tick the checkbox to select i e display or deselect _ all level statistics in the corresponding view e Tick the particular checkboxes of the level statistics that shall be displayed Setup Levels o SLMeter RTA Mat
33. eq Edit the Project Properties LZeq Zoom and or scroll the charts to the specific area which you want to see in the report 20K Hide show the spectrogram Configure the Measurements LAEQ LAF jin View gt Customize Measurements 1K Collapse expand Markers in the Results view 63 amp 3 17 Jan 11 55 00 12 00 00 12 05 00 12 10 00 Hope you enjoyed this demo Hardware Configuration Device Info XL2 SNo A2A 02868 D2 FW2 70 x iA NTi Audio AG Mic Sensitivity 39 9 mV Pa from M2230 S N 2601 Factory adjusted Range 0 100 d8 pump 16 Click on ie to print the report kd 17 Click on to return to the Project view this step automatically saves all project data including your amendments 2015 NTi Audio AG MBe 16 XL2 DataExplorer User Manual 1 4 License agreement Scope This End User License Agreement EULA is a legal agreement between you either an individual or a single entity and NTi Audio AG NTi Audio By installing or using the NTi Audio software content or documentation collectively the NTi Audio software accompanying this EULA you accept these terms and are consequently bound to them If you do not agree to the terms of this EULA do not install or use the NTi Audio software The NTi Audio software is licensed not sold to you by NTi Audio for use only under the terms of this license agreement This EULA only gives you some rights to use the software You may use the s
34. erences settings are limited to seven percentiles e Select Chart View clear the Auto checkbox and enter the Minimum and Maximum dB values for the lower and upper ends of the Y axis f Select Level Statistics and press to edit the percentiles that shall be calculated and displayed by default and or edit the scaling of the graph axes g Select Day Night Level and the edit the time scheme or penalties according to your demands Hint Changes of the preference settings are applied on all XL2 log files that are subsequently imported The preferences of older projects may be updated individually via the Setup Levels panel the Zoom Preferences Setup Levels SLMeter RTA Math LN Chart View Level E Chart Color E Result Level Statistics Statl E Ip Day Night Level Stat2 i Stat3 E E Stat4 EN Stat5 EN Stat6 El EN al Stat7 F EN m Setup Levels Default Y Axis Chart View Auto W f Level Statistics Min 0 0 Day Night Level Max 1300 i Default RTA Axis Auto 4 Min 0 0 Max 130 0 1 i RR RE ERE RE AERE i re Preferences Setup Levels Default Percentiles Chart View LN Level Statistics L 5 0 Day Night Level L 10 0 L 50 0 6 L 90 0 L 95 0 Edit LN Default Probability Axes Auto 4 Min X 0 0 Max X 130 0
35. es are not intended or suitable for use in situations or envronments where the failure or time delays of or errors or inaccuracies in the content data or information provided by the NTi Audio software or services could lead to death personal injury or severe physical or envronmental damage including without limitation the operation of nuclear facilities aircraft navigation or communication systems air traffic control life support or weapons systems D No oral or written information or advice given by NTi Audio or an NTi Audio authorized representative shall create a warranty Should the NTi Audio software or services prove defective you assume the entire costs of all necessary servicing repair or correction O 2015 NTi Audio AG MBe Introduction E In no event shall NTi Audio be liable for personal injury or any incidental special indirect or consequential damages whatsoever including without limitation damages for loss of profits loss of data or information business interruption or any other commercial damages or losses arising out of or related to your use or inability to use the NTi Audio software or services or any third party software or applications in conjunction with the NTi Audio software or services however caused regardless of the theory of liability contract tort or otherwise and even if NTi Audio has been advised of the possibility of such damages In no event shall NTi Audio s total liability to you for all damage
36. ess Ctrl O o select a project and click on _ Open Delete select a project or folder and press Del NOTE All contents of the folder will be deleted e Rename select a project or folder and press F2 Refresh the list of projects press F5 e Organize the projects in ascending or descending order click on the preferred column title e Arrange the columns by moving them with the mouse to the preferred position O 2015 NTi Audio AG MBe 20 XL2 DataExplorer User Manual e Copy to right click on a project and select Copy To e New folder right click in the Project view and select New Folder e Up one folder level click on E e Change working folder click on q e Create new folder click on E7 Save project All amendments to an open project e g Markers layout of the Chart view or Result view are automatically saved Furthermore upon returning to the Project view the project file xIdb is closed Consequently if you want to restore a previous project status you may either e manually undo every amendment e or restore an older version of the project file on your PC Copy project You can copy amp paste a Data Explorer project e g to another location and open the copy if the PC has the XL2 Data Explorer software installed O 2015 NTi Audio AG MBe Project view 21 2 1 Data import Data flow There are two different ways to import logged data from a XL2 to the Data Explorer software
37. h LN Level LAeq dt fill Chart Color Y Result L10 7 L50 O El L 10 0 5 E El L 50 0 Fl E El L 90 0 DI El L 95 0 E E El LN are defined and calculated through the Level Statistics Tool Audit Intervals 5 Cancel Setup Levels panel LN level statistics O 2015 NTi Audio AG MBe Chart view 35 3 4 Audit Intervals The Audit Intervals feature allows to divide the log data in measurement intervals segments of selectable length These intervals are always synchronized with the time of the day For instance the 15 audit interval would divide a recording from 08 12 to 09 05 into following intervals 08 12 gt 08 15 gt 08 30 gt 08 45 gt 09 00 gt 09 05 The selected measurement results are then displayed for every interval in the Main chart and in the Result view Hint The Audit Intervals feature is available regardless in which mode the data had been logged on the XL2 To activate the Audit Intervals feature open the Setup Levels panel select the required interval duration and press OK SLMeter Level LAeq dt LAeq E Chart Color E Result CO mm LM a E kl El El El El El El El El E El Fs m pm qm pm qm pm pm gm ASA Es mp aaa es k2 dB 0 0 Selection of audit interval O 2015 NTi Audio AG MBe 36 XL2 DataExplorer User Manual 71 NTi Traffic Noise Demo 1 Plain XL Data Explorer
38. iew 31 results 48 setup 33 setup default 24 spectrum 39 Statistics 52 Statistics printout 61 license 21 license agreement 16 lock cursor 42 61 main chart 28 37 marker data 48 result vew 49 spectrum 45 measurement results 37 midnight 55 MS Excel 61 62 multiple instances 7 N night 55 example 56 NTi Audio 5 16 C option 19 21 overview chart 28 31 P pan 44 pause 45 penalty 55 percentiles 52 54 default 24 printout 61 printout 61 probability 52 project 19 content 26 copy 19 info 26 28 restore 19 save 19 properties of report 60 R read only mode 7 readout 42 repeat mode data import 21 replay sound file 32 42 report 60 61 properties 60 restore project 19 result vew 48 RTA levels default 24 RTA spectrum 39 printout 61 E save project 7 19 separator 28 setup levels 33 default 24 share project 19 21 shift zoom range 44 software installation 6 structure 7 spectrogram 28 39 spectrum 28 39 ofmarker 45 statistics 52 step by step 9 structure 7 support 5 ST table export 62 time axis 28 trial mode 21 tutorial 9 O 2015 NTi Audio AG MBe U undo amendments 19 V view 7 chart 28 project 19 result 48 EM X axis zoom 44 XL2 marker 45 XL2 Data Explorer option 19 21 structure 7 XL2 setup 9 Y Y axis scale 44 default 24 Py ae zoom 42 44 2015 NTi Audio AG MBe KO XL2 DataExplorer User Manual Notes O 201
39. ker Train 0 01 11 78 3 89 0 81 7 LAeg LAFmax LCeg Jura Type Start Date Duration dB dB dB O Train 2014 01 17 11 53 37 0 00 26 778 4 5 79 8 O Train 2014 01 17 11 59 25 0 00 20 76 6 81 9 794 O Train 2014 01 17 12 12 30 0 00 25 79 6 89 0 84 1 Example of Markers in the Result view Hint The impact of including excluding a Marker in from the result calculation can be directly visualized via the Define Marker Types panel Please notice that e Markers can only be edited in the Main chart e you may nevertheless delete the Marker s in the Result view by using the X button e if you double click on a Marker line the software automatically toggles to the Chart view and displays the corresponding section Hint Right clicking in the Result view opens a context menu to expand or collapse all Markers or to copy the selected row to the clipboard O 2015 NTi Audio AG MBe so XL2 DataExplorer User Manual 4 2 Audit Intervals in Result view The Result vew shows the Type Start Date Duration and the measured level s within the corresponding Audit Interval Audit Intervals LAeq LAFmax LZeg Type Start Date Duration dB dB dB 3 2014 01 17 11 50 00 00 01 46 38 2 65 2 69 6 3 2014 01 17 11 55 00 00 04 56 62 2 72 6 75 3 3 2014 01 17 12 00 00 00 04 50 62 5 72 4 72 2 3 2014 01 17 12 05 00 00 00 00 ne 3 2014 01 17 12 10 00 00 04 35 60 9 73 4 73 0 3 2014 01 17 12 15 00 00 02 38 39 7 78
40. ly adjusting the height of the graphs Project info A pop up with the Project info opens as soon as the cursor is moved over the XL2 serial number firmware version in the left bottom comer of the Chart view O 2015 NTi Audio AG MBe Chart view 1 3 1 Overview chart The Overvew chart provides a permanent view of the full recorded period 17 Jan 11 55 00 12 00 00 12 05 00 12 10 00 12 15 00 Overview chart wth highlighted zoom range The level curve that is displayed by default is if available the LAeq Otherwise it s the first level measurement data recorded in the log of the XL2 Test file The yellow background of the Overvew chart indicates the area that is currently displayed in the Audio bar Main chart and Spectrogram If you zoom in to an area in the Main chart the area will be highlighted in yellow in the Overview chart e The time axis of the Overview chart always shows the full recording period e The time axis of the Audio bar Main chart and Spectrogram cover the currently displayed i e Zoomed recording period only Time axis of Overview chart 17 Jan 1 12 15 00 Time axis of Audio bar amp Main chart E 17 Jan 11 53 00 12 00 00 12 01 00 Example of Overview chart Audio bar and Main chart O 2015 NTi Audio AG MBe 32 XL2 DataExplorer User Manual 3 2 Audio bar amp player NOTE The Audio bar is only shown if the audio log was switched on in the XL2 at the time of dat
41. measured Range O 100 dB Start 2014 01 17 11 52 48 End 2014 01 17 12 17 48 Resolution 1 3 Octave Recorded RTA Unit dB Project info pop up example Hint Please refer also to chapter Report properties O 2015 NTi Audio AG MBe NN XL2 DataExplorer User Manual 3 Chart view The chart view contains the Overview chart Audio bar amp player Main chart amp info section Spectrogram with RTA spectrum and the Project info x2 Z1 NTi Traffic Noise Demo 1 Plain XL2 Data Explorer 1 30 3 File View Markers Tools Help Em 2808 88 amp amp N e zs Ye IM Audio Overview chart o grat player 00 19 49 9 0 dB 17 Jan 11 55 00 12 00 00 12 05 00 12 10 00 12 15 00 Info section N Audio bar Position 17 Jan 12 12 40 Time Resolution 00 00 05 3 3 gt LAeq dt 86 0 dB Main chart LAeq 67 5 dB LAFmax 89 0 dB Project Result Start 17 Jan 11 52 48 End 17 Jan 12 17 48 Duration 00 25 00 LAeq 17 Jan 11 55 00 12 00 00 12 05 00 12 10 00 12 15 00 16 63 250 1k 4k 16k XL2 A2A 02868 D2 2 70 Project info Start 2014 01 17 11 52 45 End 2014 01 17 12 17 50 Samples 301 15 000 Default chart view 22 Z1 NTi Traffic Noise Demo 1 Plain XL2 Data Explorer 1 30 3 File View Markers Tools Help 25 88 BQap amp 8 S o e EC JM Audio 4 AGC 17 Jan 11 55 00 12 00 00 12 05 00 12 10 00 12 15 00 Cane Position 17 Jan 11 58 25 Time Resolution 90 90 05 LAeq_dt 64 5 dB 7 LAeq 67 7 dB LAFmax 84 5
42. ng systems o Windows XP SP3 o Windows Vista SP1 or later o Windows 7 o Windows 8 Pro or 8 1 Pro e Hardware requirements o Recommended Minimum Pentium 1 GHz or higher with 512 MB RAM or more o Video board with shader model 3 0 or higher DirectX 9 0c e Minimum disk space 2 GB Hint Result data that is exported from the XL2 Data Explorer to MS Excel is saved in xlsx format Please check the compatibility of your MS Office installation with this file format and install the Microsoft Compatibility Pack if necessary Software installation procedure 1 Access your personal account in My NTi Audio 2 Download the XL2 Data Explorer installation package 3 Double left click on the installation file XL2 Acoustic and Audio Analyzer e Firmware V2 70 or higher legacy data require minimum firmware V2 32 or higher e XL2 Data Explorer Option installed on the XL2 device if you don t have the Option yet contact your nearest NTi Audio partner 2015 NTi Audio AG MBe Introduction 1 2 Software structure Views The XL2 Data Explorer offers three different vews e Project list of the imported projects e Chart detailed project data in graphical form numerical readouts e Result numerical readout of the measurement results and of marked sections Project view ina od Fim Hals F Ghar bettie i ckard an ne Fee El Ca H a ior Gos zie Sonal durae T fa XH LI vau El iaid bid BEN Tidi Pai Es 1 Pla s ESET Ti Boise
43. oftware only as expressly permitted in this EULA This EULA also applies for all upgrades or updates to the NTi Audio software if any supplements internet based services and support services for this NTi Audio software unless other terms accompany those items If so those terms will govern License Uses and Restrictions A Software Installation Subject to the terms and conditions of this license agreement you are granted a limited non exclusive license to use and run the NTi Audio software Data transfer from an XL2 Audio amp Acoustic analyzer to the NTi Audio software is only enabled if the corresponding license is installed on the analyzer B No Reverse Engineering You may not and you agree not to or to enable others to copy except as expressly permitted by this license agreement or by the usage rules if they are applicable to you publish distribute decompile reverse engineer disassemble attempt to derive the source code of decrypt modify or create derivative works of the NTi Audio software or any services provided by the NTi Audio software or any part thereof C Termination This license is effective until terminated Your rights under this license agreement will terminate automatically or otherwise cease to be effective without notice from NTi Audio if you fail to comply with any term s of this license agreement Upon the termination of this license you must cease all use of the NTi Audio software and destroy all co
44. orts the logged data and audio file this procedure can take a few seconds to some minutes depending on the file sizes During this process all relevant files including the WAV file associated with the selected project are copied into the Data Explorer project folder xt Open O E Computer NTIAUDIOXL2 E gt Projects gt MyProject amp Organize New folder Ww Favorites Name EE Desktop Downloads os F E Recent Places Libraries En Documents al Music e Pictures BE Videos ME Computer 4 File name MyTest_5LM_000 XL2 L MyTest SLM 000 XL2 Date modified 28 04 2014 10 26 AL2 File 5 As soon as the import process is completed select the imported project and click on the Open button to open it in the Chart view 6 You can now view the level curves and results E xt2 Z1 NTi Traffic Noise Demo 1 Plain XL2 Data Explorer 1 20 4 EE sz File View Markers Tools Help m EE SES 17 Jan 11 55 00 12 00 00 12 05 00 17 Jan 11 55 00 12 00 00 12 05 00 LZeq 17 Jan 11 55 00 12 00 00 12 05 00 XL2 A2A 02868 D2 2 70 v Qe 40 2 um WE B ecuce DA 2 Audio 4 AGC 0 dB 12 10 00 12 15 00 Cursor Position Time Resolution 0 00 05 LAeq dt LAeq LAFmax LCeq Project Result Start 17 Jan 11 52 48 End 17 Jan 12 17 48 Duration 0 25 00 LAeq 66 9 dB LAFmax 89 0 dB 12 10 00 12 15 00 Project Result RTA 104 7 83 8 62 8 41 9
45. our own logo Title NTi Traffic Noise Demo 1 Plain Introduction This demo project shows the basic features of the AL Data Explorer Version 1 0 It contains 25 minutes of data and audio recorded near a street and a train line in Schaan Liechtenstein For a demonstration of more advanced features of the Data Explorer see NTi Traffic Noise Demo 2 Processed Conclusion c MBe Jan 2014 Logo Browse i I AUDIO 2015 NTi Audio AG MBe Introduction 15 Click on to verify the Print preview INT AUDIO NTi Traffic Noise Demo 2 Processed Starr 2014 01 17 11 52 48 End 2014 01 17 12 17 48 This demo project shows some advanced features of the XL2 Data Explorer Version 1 0 It contains 25 minutes of data and audio recorded mear a street and a train line in Schaan Liechtenstein 2014 01 17 11 53 37 Areas marked as Train Horn Helicopter and Bell are excluded from the result M 2014 01 17 12 12 30 This text as well as the logo on the Report may be edited in the File gt Project Properties window This demo is an extension of NTi Traffic Noise Demo 1 Plain 2014 01 17 12 06 45 2014 01 17 11 57 22 2014 01 17 12 0225 0 22 55 LAFmax LCeq dB dB 69 1 63 4 2014 01 17 12 08 39 691 63 4 This text may be edited in the File Project Properties window 17Jan11 5500 12 00 00 12 05 00 1210 00 arable ELER E ei lAegdt LAeq LAFmax LCeqdt LC
46. pies full or partial of the NTi Audio software Services The NTi Audio software may enable access to NTi Audio and third party services and web sites collectively and individually NTi Audio services Such NTi Audio services may not be available in all languages or in all countries Use of these NTi Audio services requires internet access and use of certain NTi Audio services may requires an NTi Audio ID may require you to accept additional terms and may be subject to additional fees By using this software in connection with an NTi Audio ID or other NTi Audio account you agree to the applicable terms of service for that account Disclaimer A NTi Audio and all our affiliates do not give any warranty guarantee or conditions for this software i e you bear the sole risk of using it This limitation applies to anything related to this software including breach of contract warranty guarantee or condition strict liability negligence or other tort to the extent permitted by applicable law It also applies if NTi Audio knew or should have known about the possibility of the damages B The NTi Audio software and services are provided as is i e with all faults You bear the sole risk of using it NTi Audio gives no express warranties guarantees or conditions NTi Audio excludes the implied warranties of merchantability fitness for a particular purpose and non infringement C You acknowledge that the NTi Audio software and servic
47. r penalty for the night period 3 Evening gt tick checkbox to enable a separate result calculation or penalty for the evening period only accessible if Night is enabled e From To assign individual start times to the enabled periods o Adjust the times for when the individual enabled periods begin o The end time of a period is automatically the start time of the next period o Enter the times in the format hh mm ss e Penalty positive offset that should be added to the measurement results to reflect the annoyance level during that period o Enter the penalties expressed in dB for the Day Evening and Night periods separately e Split at Midnight the Night level is calculated separately for each calendar day see example i e split by 1 00 00 00 hrs to start of Day 2 end of Day Evening to 24 00 00 hrs Hint The default list of Day Night Levels may be defined via the preferences XL2 Test files that have been previously imported may be adjusted by right clicking on the top section of the window and selecting Default Click on settings to let the system evaluate amp display the level results that correspond to the current NOTE If no valid measurement could be executed the message n def not defined is shown as result 2015 NTi Audio AG MBe ose XL2 DataExplorer User Manual 5 2 1 LDEN examples Example 1 5 Day Night Level Penalty dB Day 0 0 Evening 5 0 Night 10 0 El Split a
48. rent cursor position o Time resolution of the currently displayed Main chart depends on the actual zoom range o The instantaneous value s and color of the displayed level s at the current cursor position Result absolute result data o Start End and duration of the whole recording o The Results i e all recorded values minus the excluded Markers o Type of the Marker o Start End and duration of the Marker o Level data values of the Marker o Type of the Audit Interval o Start End and duration of the Audit Interval o Level data values of the Audit Interval Marker properties of the selected Marker Audit Interval properties of the selected Audit Interval O 2015 NTi Audio AG MBe Chart view NEN 3 6 Spectrogram RTA spectrum Spectrogram The Spectrogram displays the logged spectra of the XL2 test i e sound level at each frequency over time e X axis time e Y axis frequency e Color sound level red highest level value green medium turquoise 50 of maximum level dark blue low O O O O O black lowest level value 2Uk 4 250 53 2 5 3 17 Jan 11 55 00 12 00 00 12 05 00 12 10 00 12 15 00 Example of Spectrogram NOTE The Spectrogram and the RTA spectrum are only available if Add Spectra was set to Yes in the XL2 during the data logging Hint Right click in the Spectrogram and select Show Legend to show the color assignments spectrogram Legend Hint Yo
49. rt of XL2 Test files to the Data Explorer software x 2 XL2 Data Explorer 1 30 6 File Help A CAUsers mbe Documents NTi Audio XL2 Data Explorer Demo Projects Name Size Start Date Duration Serial Number 2014 11 Vaduz Eg MyTest SLM 018 348 884 KB 2013 01 31 16 30 7 01 01 30 A 02130 C pg 1 NTi Traffic Noise Demo 1 Plain 3860KB 2014 01 17 11 52 00 25 00 A2A 02868 D Em Z2 NTi Traffic Noise Demo 2 Processed 3796 KB 2014 01 17 11 52 00 25 00 A2A 02868 D pg Z3 NTi Event Audio and TA L rm Demo 1108 KB 2014 01 20 17 11 00 05 00 A2A 02868 D Eg 2014 05 20 SLM 002 596 KB 2014 05 20 10 12 01 00 00 424 02673 D pg 2015 01 09 SLM 000 340 KB 2015 01 09 14 37 00 00 25 A2A 05497 Et End Date EL 2015 01 18 SLM 000 404 KB 2015 01 19 10 46 00 05 03 A24 05497 E Y Duration Eg 2015 01 19 SLM 001 596 KB 2015 01 19 11 33 00 01 01 A2A 05497 El 4 Serial Number Eg All Levels 532 KB 2015 01 19 12 58 00 01 11 A2A 05497 El RTA Date modified Date created Start Date Projects view wth imported projects sorted by recording date and right click context menu Hint Click on any column title to sort the projects in ascending or descending order Right click on any column title to amend the selection of displayed columns Direct actions e Import project click on Import and select an XL2 file XL2 e Open project o double click on project name o select a project and pr
50. s exceed the amount of ten US dollars USD 10 00 The foregoing limitations will apply even if the above stated remedy fails of its essential purpose Separate Provisions If any provision of this EULA shall be held to be invalid illegal or unenforceable the validity legality and enforceability of the remaining provisions shall in no way be affected or impaired thereby Privacy At all times your information will be treated in accordance with NTi Audio s privacy policy which is incorporated by reference into this license agreement and can be viewed at http www nti audio com privacy statement Controlling Law This license agreement will be governed and construed in accordance with the laws of Liechtenstein Europe excluding its conflict of law principles No amendment to or modification of this EULA will be binding unless in writing and signed by NTi Audio The English version of this EULA shall govern to the extent not prohibited by local law in your jurisdiction 2015 NTi Audio AG MBe Project view NO 2 Project view The Data Explorer always starts up in the Project view The Project view is also accessible from the Chart or Result views by clicking the button e After the initial installation the Project vew shows the Demo Projects folder e From then on it always opens the same folder that had been selected the last time NOTE The XL2 unit must have a Data Explorer Option installed to allow the direct impo
51. t Midnight Day Night Calculation Start Date Measurement Weighting Result Duration Duration dB 31 Jan 31 Jan 31 Jan 01 Feb 01 Feb 01 Feb 02 Feb 02 Feb 3 29 57 5 10 00 00 14 00 00 10 00 00 14 00 00 10 00 00 14 00 00 10 00 00 14 00 00 10 00 00 14 00 00 10 00 00 68 0 41 5 65 7 36 0 40 4 38 4 354 40 5 02 Feb 38 2 Example 1 Day Night time settings penalties and calculated results calendar day 1 calendar day 2 calendar day 3 A RETA 00 06 00 12 00 18 00 Night 1 Night 2 Example 1 Day Night time scheme O 2015 NTi Audio AG MBe Level Calculations Example 2 DY Day Night Level Penalty dB 0 0 3 0 10 0 El Split at Midnight Day Night Calculation Start Date Measurement Weighting Result Duration Duration dB 31 Jan 1 29 57 5 12 00 00 l 717 74 31 Jan 2 00 00 2 00 00 1 371 31 Jan 10 00 00 10 00 00 gt 41 5 31 Jan 01 Feb 12 00 00 12 00 00 01 Feb 2 00 00 2 00 00 01 Feb 10 00 00 10 00 00 01 Feb 02 Feb 12 00 00 12 00 00 Example 2 Day Evening Night time settings penalties and calculated results calendar day 1 calendar day 2 calendar day 3 a S S LLL I BZ UO 00 06 00 12 00 18 00 Night 1 Example 2 Day Evening Night time scheme O 2015 NTi Audio AG MBe XL2 DataExplorer User Manual Example 3 Day Night Level From 0 00 00 6 00 00 18 00 00 20 00 00 Split at Midnight Day Night Calculation Start Date Measurement Weigh
52. the current cursor position Hint Cursor Position Time Resolution LAeq dt kl k2 LAeq 55 3 dB LAFmax 111 5 dB LAFmin 29 4 dB LCPEmax 121 1 dB Project Result Start 31 Jan 16 30 02 5 End 07 Feb 17 31 32 4 Duration 7 01 01 29 9 LAeq 31 7 dB LAFmax 111 5 dB LAFmin 294 dB LCPEmax 121 1 dB 111 2 dB LAS mar 03 Feb 10 00 00 2 0 dB 3 2 dB 01 00 00 45 1 dB Example amp 1 of Info section Cursor Position 17 Jan 12 12 40 Time Resolution 00 00 05 LAeq_dt 86 0 dB LAeq 67 6 dB LAFmax 89 0 dB LAFmin 46 1 dB LCeq dt 90 1 dB Project Result Start 17 Jan 11 52 48 End 17 Jan 12 17 48 Duration 00 25 00 LAeq 66 9 dB LAFmax 89 0 dB Marker Type O Lvl Start 17 Jan 12 12 25 End 17 Jan 12 12 50 Duration 00 00 25 LAeq 79 6 dB Offset kl 1 3 dB k2 0 0 dB Cursor Position Time Resolution 00 00 05 LAeg_dt kl LAFmax 5 Project Result Start 17 Jan 11 52 48 End 17 Jan 12 17 48 Duration 00 25 00 LAeq 61 4 dB LAFmax 78 2 dB LZeg 73 0 dB Audit Interval Pr Type os Start 17 Jan 12 10 00 Duration 00 04 35 LAeg 60 9 dB LAFmax 73 4 dB LAFmax 89 0 dB Example 2 of Info section LZeq 73 0 dB Example 3 of Info section The Marker extension appears as soon as the mouse is placed on a Marker band e Offset values of the correction factors k1 k2 only visible if at least one correction factor 0 Cursor instantaneous values of the cursor o Position date amp time of the cur
53. ting Result Duration Duration dB 31 Jan 31 Jan 31 Jan 31 Jam 01 Feb 01 Feb 01 Feb 01 Feb 02 Feb 02 Feb 02 Feb 1 29 57 5 2 00 00 4 00 00 12 00 00 2 00 00 10 00 00 12 00 00 2 00 00 10 00 00 12 00 00 2 00 00 10 00 00 12 00 00 2 00 00 10 00 00 12 00 00 2 00 00 10 00 00 ILI 371 7 41 7 02 Feb Example 3 Day Evening Night time settings split at midnight penalties and calculated results calendar day 1 calendar day 2 calendar day 3 18 00 0000 06 00 12 00 18 00 2400 06 00 Night 1 Night 2 Night 2 Night 3 Example 3 Day Evening Night time scheme split at midnight 2015 NTi Audio AG MBe XL2 DataExplorer User Manual 6 Reporting The XL2 Data Explorer provides several features for creating a report from the project data e Editable Report properties T I e Print preview printout h e Data export to MS Excel E e Copy graph to clipboard bitmap format e Copy numerical data to clipboard 6 1 Report properties The Report properties e are accessible from the Chart or Result view via the Report Properties button or the menu File Report Properties e contain the following editable information o Title headline of the project report Introduction user comment that precedes the charts in the project report Conclusion user comment that is inserted at the end of the project report O O 0 Logo user logo placed in the top right corner of the
54. u may edit the RTA axis via the Zoom panel and thus define an absolute level gt color scheme This may improve e g the comparison of the spectra of different projects O 2015 NTi Audio AG MBe 40 XL2 DataExplorer User Manual RTAspectrum The RTA spectrum displays the LZeq level vs frequency of the cursor position it may be enlarged via the Change Layout button i Cursor outside Main chart Spectrogram overall project spectrum is displayed ii Cursor over Main chart or Spectrogram gt spectrum at the current cursor position is displayed iii Cursor over a Marker label spectrum of the marked area is displayed Hint Marker color applies also to the RTA spectrum iv Cursor locked to all markers of the same type spectrum of all markers of the same type is displayed v Cursor locked to Audit Interval gt spectrum of the selected area rate Project Result RTA Cursor RTA o Marker RTA O 63 50 IK 4k Marker Type RTA 104 7 gt 16 63 250 1k 4k 16k 16 B3 250 1k dk 16k Different RTA spectrums displayed default size wth different cursor positions i il iii iv v 2015 NTi Audio AG MBe Chart view a In addition the RTA spectrum provides individual level frequency information both numerically on top of the graph and graphically with a red bar a Move the cursor over the RTA spectrum or Spectrogram b Lock the cursor
55. uction The XL2 Data Explorer is a PC based software application with a powerful data processor for easy and fast analysis of sound level measurement data Visualize analyze and control millions of data points with this tool that is dedicated to acoustic consultants and noise measurement professionals It provides a convenient way to view and manage your data and quickly create professional customized reports e Visualization of the entire data set including spectrogram e Very fast zoom and pan response over the entire log e Timeline for audio files and synchronized playback including proper leveling e Exclude markers eliminate unwanted areas from the level calculations e Include markers allow level calculations of specific areas e Visualization of recorded events analyze and report only the noise infringements e Audit interval and percentile LN calculation e Results are immediately visible as recalculations are executed on the fly e Report and customize your results simply and professionally For dedicated support please contact your nearest NTi Audio partner NTi Prague NTi Americas NTisAudio HO NTi Korea NTi China NTi Japan O NTi Audio AG amp Im alten Riet 102 9494 Schaan u E u Liechtenstein Europe Phone 423 239 6060 AUDIO Fax 423 239 6089 www nti audio com v1 40 0e July 2015 O 2015 NTi Audio AG MBe 6 XL2 DataExplorer User Manual 1 1 Installation System requirements e Supported operati
56. ut at different positions c different sections of the same XL2 Test file Hint A project file that is simultaneously open in two instances can be edited only in the first instance O 2015 NTi Audio AG MBe Introduction 1 3 Tutorial The following step by step guideline demonstrates a typical use of the XL2 Data Explorer 1 Activate the logging as well as the spectra and the audio file recording on the XL2 Audio and Acoustic Analyzer then execute a sound level measurement and save the test SLMeter TER SLA aso 16 26 SLMeter 122 SLARI 7 lt aso 11 43 ES Loggin On FOLDER NEM DIE gm Hs Praject Interval dt Ao n Add Spectra Yes t Log Audio On File RENAHE SEARCH Format Compressed HLL LE LADO E Automatic Humber ing Log values selected er Record Voicenote 0 Leg 5 1 LAF max E e LAFmin 1 3 LePEmax B Y L2F max i SET KUNA RO a OO CRT oou 2 Connect the XL2 directly to your PC via USB or insert the SD card into a card reader for faster data transfer 3 Run the XL2 Data Explorer and click on the Import button in the Projects view 13 XL2 Data Explorer 1 20 7 File Help E CAUsersimbelDocumentsiNTi Audio XL Data Explorer Name Date modified Date created L Demo Projects 2014 07 08 15 20 2014 07 08 15 14 O 2015 NTi Audio AG MBe KO XL2 DataExplorer User Manual 4 Select the XL2 Test file just recorded and click Open The XL2 Data Explorer imp
57. wheel of your mouse e Pan o Overview chart place the cursor on the zoom range yellow area then left click drag o Main chart or Spectrogram press Ctrl left click drag Lock cursor The cursor position can be locked by right clicking in the Main chart or Spectrogram or over a Marker label or in an Audit Interval The RTA spectrum consequently shows the spectrum at the corresponding cursor position or of the marked area Lock cursor gt RTA spectrum a in the Main chart gt of the specific cursor position b to a single Marker gt of the marked area C to all Markers of a specific type gt of the combined Marker areas d in the Spectrogram gt of the specific cursor position e to an Audit Interval gt of the marked area Hint A locked cursor is indicated by a i1 in the Info section When printing a report the values of the locked cursor appear in the printout below the charts 2015 NTi Audio AG MBe Chart view To unlock the cursor e press Esc e click on iSi in the Info section e right click and select Lock cursor again e lock the cursor at a new position O 2015 NTi Audio AG MBe 44 XL2 DataExplorer User Manual 3 8 Zoom amp pan Zoom There are several ways to zoom w e e Click onthe 4 buttons to zoom in out e Place the cursor in the Main chart or Spectrogram then o left click drag to the end position of the required zoom range o use the scroll wheel of your mouse

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