B&K 2250 Light Manual do Utilizador Página 1

TechnicalDocumentationHand-held Analyzer 2250 LightWith Sound Level Meter Software BZ-7130 1/1-oct. Frequency Analysis Software BZ-7131 1/3-oct. Frequ

2Hand-held Analyzer 2250 Light – User ManualParameter Text Appearing on the ScreenParameters, instructions and descriptions appearing on the screen ar

92Hand-held Analyzer 2250 Light – User ManualANALYZER 1/1-OCTAVE (or 1/3-OCTAVE), tap on the black bar at the top of thescreen and select FREQUENCY AN

CHAPTER 101/1- and 1/3-octave Frequency Analysis (Optional Modules)93The Broadband view shows an instantaneous LAF readout, with associated bar graph

94Hand-held Analyzer 2250 Light – User ManualFig.10.3Adjusting the X-axis3) Scale the Y-axis (left-hand vertical scale of the graphical display) by ta

CHAPTER 101/1- and 1/3-octave Frequency Analysis (Optional Modules)95Spectrum Table shows the displayed part of the spectrum in tabular form – as in F

96Hand-held Analyzer 2250 Light – User ManualFig.10.6Displaying a Noise Curve together with the LZeq spectrumFor RC and NCB you also have the possibil

97Chapter 11Logging (Optional Module)Logging Software for 2250 Light BZ-7133 enables you to measure and save data periodically onSD or CF cards. You c

98Hand-held Analyzer 2250 Light – User ManualCheck the About menu to see whether you have the license to run the Logging module. (TheAbout Menu is acc

CHAPTER 11Logging (Optional Module)99Fig.11.1The Setup screen 5) Under the Measurement Control parameters, set the Preset Logging Time and LoggingPer

100Hand-held Analyzer 2250 Light – User ManualAll markers can be controlled by the stylus in the Profile display.You can set a Pre-marker Time between

CHAPTER 11Logging (Optional Module)10111.3.1 The Profile ViewThe Profile view displays a profile of a logged broadband parameter (dB versus time). Thi

3Chapter 2Assembling Your AnalyzerThis chapter describes how to assemble and set up your analyzer. It provides a brief descriptionand an associated di

102Hand-held Analyzer 2250 Light – User Manual• View whether the display of the profile during the measurement is frozen or not. When is “animated” t

CHAPTER 11Logging (Optional Module)103You can browse through markers using the buttons in the profile.The whole, or any part of the signal recording

104Hand-held Analyzer 2250 Light – User ManualIf required, Measurement Partner Suite BZ-5503, Evaluator Type 7820 and Protector Type 7825can use the m

CHAPTER 11Logging (Optional Module)105To narrow a marker:1) Tap and hold the stylus on the profile display at the position inside the marker range whe

106Hand-held Analyzer 2250 Light – User Manual

107Chapter 12Signal Recording (Optional Module)Signal Recording Option BZ-7226 allows you to record the input signal (typically sound) ineither 16-bit

108Hand-held Analyzer 2250 Light – User Manual12.1.1 Setting up the Analyzer 1) Select a Sound Level Meter project template or a Frequency Analyzer pr

CHAPTER 12Signal Recording (Optional Module)109Set Automatic Gain Control to Off if you need to record calibrated signals or need toanalyze the wav

110Hand-held Analyzer 2250 Light – User Manual12.2 With Logging SoftwareYou can use the Signal Recording facility together with the Logging Software.

CHAPTER 12Signal Recording (Optional Module)111• All Events, if you want to start and stop the recording based on any of the eventsNote: When Recordin

4Hand-held Analyzer 2250 Light – User Manual• A 100 Mbps LAN connector is available • A Trigger Input socket for external trigger of signal recordings

112Hand-held Analyzer 2250 Light – User Manualelapsed; if you press it a second time after Maximum Duration has elapsed, then the recordinghas already

CHAPTER 12Signal Recording (Optional Module)113The small triangle above the profile indicates the amount of sound you have in the internalbuffer – rea

114Hand-held Analyzer 2250 Light – User ManualFig.12.3Playing the recording – output level pop-upWhen you have selected the method of play-back, a pop

CHAPTER 12Signal Recording (Optional Module)11512.2.5 Signal Recordings on the PCWhen projects including signal recording have been transferred into a

116Hand-held Analyzer 2250 Light – User Manual

117Chapter 13Tone Assessment Option BZ-7231 –1/3-octave Method13.1 GeneralTone Assessment Option BZ-7231 includes tone assessment according to the ISO

118Hand-held Analyzer 2250 Light – User Manual13.2 Tone Assessment According to ISO 1996-2, Annex DWhen assessing noise, it is generally recognised th

CHAPTER 13Tone Assessment Option BZ-7231 – 1/3-octave Method119The proposed frequency ranges and level differences between adjacent bands are:• Low f

120Hand-held Analyzer 2250 Light – User ManualFig.13.2Setting Tone Assessment option to On13.3.2 Setting up a Measurement ManuallyISO 1996–2, Annex DY

CHAPTER 13Tone Assessment Option BZ-7231 – 1/3-octave Method12113.3.3 Setting up the Measurement using the Default SetupSelect the Tone parameter abo

CHAPTER 2Assembling Your Analyzer51) Measurement Microphone: A Brüel & Kjær Prepolarized Free-field ½ Microphone isused. A robust and reliable mi

122Hand-held Analyzer 2250 Light – User Manual13.3.4 Signal RecordingIf a valid license for the Signal Recording Option BZ-7226 is present, it is poss

CHAPTER 13Tone Assessment Option BZ-7231 – 1/3-octave Method123Fig.13.6The differences to the left and right of the selected frequency band are shown

124Hand-held Analyzer 2250 Light – User Manual13.5 Logging Software BZ-7133 TemplateThe results from the tone assessment can be found in the Spectrum

CHAPTER 13Tone Assessment Option BZ-7231 – 1/3-octave Method125If you have selected 1/1-octave or a Direct input, tone assessment will be performed,

126Hand-held Analyzer 2250 Light – User Manual

127Chapter 14SpecificationsThis chapter comprises the specifications that are needed for evaluation of instrumentperformance characteristics and prope

Hand-held Analyzer 2250 Light – User Manual128Hand-held Analyzer Type 2250-L (2250 Light) PlatformSpecifications apply to 2250 Light fitted with Micro

CHAPTER 14Specifications129PowerEXTERNAL DC POWER SUPPLY REQUIREMENTSUsed to charge the battery pack in the instrumentVoltage: 8–24 V DC, ripple volta

Hand-held Analyzer 2250 Light – User Manual130Two Levels of Protection: • Guest level: for viewing only• Administrator level: for viewing and full con

CHAPTER 14Specifications131Instantaneous Weather Data:Wind Dir.Wind SpeedInstantaneous GPS Data:LatitudeLongitudeMEASURING RANGESWhen using Microphone

6Hand-held Analyzer 2250 Light – User Manual17) Tripod Mounting Thread: Use this to mount 2250 Light onto the tripod and/or tripodextension18) Wrist S

Hand-held Analyzer 2250 Light – User Manual132GPS AnnotationsA text annotation with GPS information can be attached (Latitude, Longitude, Altitude and

CHAPTER 14Specifications133Software Specifications – Logging Software for 2250 Light BZ-7133The specifications for BZ-7133 include the specifica-tions

Hand-held Analyzer 2250 Light – User Manual134SAMPLING RATE AND PRE-RECORDINGThe signal is buffered for the pre-recording of the signal. This allows t

CHAPTER 14Specifications135Software Specifications – Measurement Partner Suite BZ-5503BZ-5503 is included with 2250 Light for easy synchro-nisation of

Hand-held Analyzer 2250 Light – User Manual136Ordering InformationType 2250-L-D10 Hand-held Analyzer with Sound Level Meter Software BZ-7130Type 2250-

CHAPTER 14Specifications137Service ProductsMAINTENANCE2250-L-EW 1 Extended Warranty, one year extension2250-L-MU 1 Upgrade of 2250 Light to Type 2250,

Hand-held Analyzer 2250 Light – User Manual138

139Appendix ASetup ParametersThis appendix describes all the setup parameters included in a template.A.1 InputFor outdoor measurements, it is often ne

Hand-held Analyzer 2250 Light – User Manual140To compensate for this, use the built in windscreen correction.A.2 Frequency SettingsTable A.2 Windscree

APPENDIX ASetup Parameters141A.3 StatisticsSpectrum*XCZThe frequency analysis (1/1-octave or 1/3-octave) will be frequency weighted in accordance with

CHAPTER 2Assembling Your Analyzer71) USB Interface Socket: Use the supplied Mini USB Cable AO-1476 to connect 2) Earphone Socket: Use the optional Ear

Hand-held Analyzer 2250 Light – User Manual142The percentile levels N1 to N7 can be changed after the measurement has been done.A.4 Measurement Contro

APPENDIX ASetup Parameters143A.5 Logged BroadbandT for LXeq,T,mov 00:01:00 to 01:00:00Sets the averaging time T (in minutes) of the moving LAeq and mo

Hand-held Analyzer 2250 Light – User Manual144Parameter 1 to Parameter 10LXeqLYeqLCeq–LAeqLAeq,T1,movLAeq,T2,movLCeq,T1,movLCeq,T2,movLeq,T1,movLeq,

APPENDIX ASetup Parameters145A.6 Logged Broadband (100 ms)A.7 Logged SpectrumTable A.7 Logged broadband (100 ms) parameters**. For Logging (BZ-7133) t

Hand-held Analyzer 2250 Light – User Manual146A.8 MarkersTable A.9 Markers**. For Logging (BZ-7133) templates onlyParameter Values CommentMarker 1 Tex

APPENDIX ASetup Parameters147A.9 Signal RecordingTable A.10 Signal Recording parameters*Parameter Values CommentRecording Control OffAutomaticManual E

Hand-held Analyzer 2250 Light – User Manual148Automatic Gain Control†OnOffTo ease identification of sound sources by listening, the gain can be automa

APPENDIX ASetup Parameters149A.10 Occupational HealthPost-recording Time†0 to 300 s Use this parameter to specify how much extra you want to be record

Hand-held Analyzer 2250 Light – User Manual150Threshold Level 0 to 140 dB Any sound levels below the threshold value do not contribute to the Dose mea

APPENDIX ASetup Parameters151A.11 Tone AssessmentTable A.12 Tone Assessment Parameters**. Requires Tone Assessment Option BZ-7231. Available for micro

8Hand-held Analyzer 2250 Light – User Manual9) Secure Digital Card Slots: Insert a SD or SDHC memory card to save data10) LAN Socket: Connect a LAN ca

Hand-held Analyzer 2250 Light – User Manual152

153Appendix BMeasurement ParametersThis appendix describes the measurement parameters. They are measured in accordance withthe setup parameters.Please

Hand-held Analyzer 2250 Light – User Manual154B.1 Total MeasurementB.1.1 For BZ-7130, BZ-7131, BZ-7132 and BZ-7133 SoftwareThe following parameters ar

APPENDIX BMeasurement Parameters155Minimum Time-weighted Sound Levels•LXFmin•LXSmin•LXImin•LYFmin•LYSmin•LYIminISO/EU Occupational Health Parameters•E

Hand-held Analyzer 2250 Light – User Manual156Statistics to Calculate Percentile Levels and Std.Dev.Weather Data (requires connection to a weather sta

APPENDIX BMeasurement Parameters157B.2 Logged MeasurementB.2.1 For Logging Software for 2250 Light BZ-7133Parameters measured within a logging interva

Hand-held Analyzer 2250 Light – User Manual158Special Parameters• LXIeq (also called LXIm)•LYIeq•LAIeq-LAeq• LAFTeq (also called LAFTm5)•LAFTeq-LAeq•

APPENDIX BMeasurement Parameters159B.3 Logged (100 ms) MeasurementB.3.1 For Logging Software for 2250 Light BZ-7133The following Broadband parameters

Hand-held Analyzer 2250 Light – User Manual160Instantaneous Measured Spectra‡‡•LWF•LWSB.4.1 Processed Parameters for Display OnlyThe following general

APPENDIX BMeasurement Parameters161Table B.2 StatisticsParameter LXYNSound Field CorrectionWindscreen CorrectionBroadband(excl. Peak)Broadband Stat

CHAPTER 2Assembling Your Analyzer9External PowerSee item 3 in Fig.2.2 and Fig.2.3.2250 Light is powered by an internal rechargeable battery pack. An i

Hand-held Analyzer 2250 Light – User Manual162

163Appendix CInstrument ParametersThis appendix describes the parameters for microphones and calibration.C.1 Current TransducerC.2 TransducersThe Tran

Hand-held Analyzer 2250 Light – User Manual164Microphone Type 49504952 0°4952 90°4184-A 0°4184-A 90°EH-2152 0°EH-2152 90°UnknownIf microphone is a kno

APPENDIX CInstrument Parameters165C.2.2 Calibration HistoryTable C.3 Calibration history parametersParameter Values Comment1. Calibration date & T

Hand-held Analyzer 2250 Light – User Manual166C.3 Calibration SetupC.4 Type 2250 Light MicrophonesTable C.5 Microphone parametersTable C.4 Calibration

167Appendix DPreferencesThis appendix describes the parameters that are common to all project templates and can be setas preferences.D.1 Display Setti

Hand-held Analyzer 2250 Light – User Manual168D.2 Power SettingsNote: If the instrument is externally powered, then the settings will be ignored.Table

APPENDIX DPreferences169D.3 Regional SettingsTable D.3 Regional settings parametersParameter Values CommentDecimal Point .,Select your preferred decim

Hand-held Analyzer 2250 Light – User Manual170D.4 Storage SettingsD.5 Headphone SettingsTable D.4 Storage settings parametersParameter Values CommentA

APPENDIX DPreferences171Note: If you do not want to listen to the input signal, then set ‘Listen to Signal’ = No, toeconomise on power.Automatic Gain

10Hand-held Analyzer 2250 Light – User ManualInput and Output SocketsSee items 7 and 9 in Fig.2.3.These sockets are currently not available for use.Tr

Hand-held Analyzer 2250 Light – User Manual172D.6 Printer SettingsTable D.6 Printer settings parametersParameter Values CommentPrinter Used NoneMPSPCL

APPENDIX DPreferences173D.7 Modem/DynDNS SettingsTable D.7 Modem/DynDNS settings parametersParameter Values CommentModem DisabledGPRS/EDGE/HSPA Dialup

Hand-held Analyzer 2250 Light – User Manual174D.8 Network SettingsTable D.8 Network settings parametersParameter Values CommentLocation Up to 20 chara

APPENDIX DPreferences175Name Up to 32 characters Name (SSID) of network you want to connect to. Update the name either by entering a name directly, or

Hand-held Analyzer 2250 Light – User Manual176D.9 Notification Settings Table D.9 Notification settings parametersParameter Values CommentNotification

APPENDIX DPreferences177* Please consult your email providerAccount <string of characters> The account is typically the email address of the ema

Hand-held Analyzer 2250 Light – User Manual178D.10 Remote Access SettingsD.11 NMT Server Settings (Hardware Version 4 only)For set up of NMT Server co

179Appendix EGlossary A-weighting Filter: Frequency weighting corresponding approximately to the 40 dB equal loudness curve, that is to say, the huma

Hand-held Analyzer 2250 Light – User Manual180Our hearing covers a surprisingly wide range of sound pressures – a ratio of over a million to one. The

APPENDIX EGlossary181DoseUQ, ProjDoseUQ: The Noise Dose is the averaged A-weighted Noise Level (taking the Threshold Level into account) with Time Wei

CHAPTER 2Assembling Your Analyzer112.4 Hardware SetupFig.2.4 2250 Light – hardware overviewUA-1317MicrophoneHolder UA-0801Small Tripod(or UA-0587)4231

Hand-held Analyzer 2250 Light – User Manual182Frequency Weighting (contd.):A ‘C-weighting’ curve is also used, particularly when evaluating very loud

APPENDIX EGlossary183LAFmin: Minimum time-weighted sound level measured with A-frequency weighting and Fast time weighting. It is the lowest level of

Hand-held Analyzer 2250 Light – User Manual184Lep,d,v: The Daily Noise Exposure Level for a user-defined reference period. Lep,d,v is calculated from

APPENDIX EGlossary185Occupational Health Standards:Typical Setup Parameter settings for Occupational Health measurements in accordance with various st

Hand-held Analyzer 2250 Light – User Manual186RC, RC Classification: The Room Criterion Mark II is primarily a diagnostic tool for HVAC noise in space

APPENDIX EGlossary187Threshold Level: Any sound levels below the threshold level do not contribute to the Dose measurement data. For example, if you s

Hand-held Analyzer 2250 Light – User Manual188

189IndexSymbols#CPeaks(>140dB) ...184Numerics1/1- or 1/3-octave Frequency Analysis ...

190Hand-held Analyzer 2250 Light – User ManualBBack-erase Pushbutton...5, 35, 99BacklightBrightness ...

INDEX191ConnectingGPS Receivers ...74Microphone Extension Cable...14Pream

12Hand-held Analyzer 2250 Light – User Manual2.5 Assembling 2250 Light2.5.1 Charging the Battery for the First TimeBattery Pack QB-0061 comes charged

192Hand-held Analyzer 2250 Light – User ManualFFast Time Weighting ... 25FB-0679 Hinged Cover...

INDEX193Internet Connection ...53Set up Analyzer ...56U

194Hand-held Analyzer 2250 Light – User ManualMMain Menu...29, 34Icon ...

INDEX195NCB ... 95, 184Classification...

196Hand-held Analyzer 2250 Light – User ManualProcessed Parameters for Display... 160General ...

INDEX197Screen ... 5, 32Touch Adjustments...6

198Hand-held Analyzer 2250 Light – User ManualSoftwareDowngrade... 82Install New...

INDEX199Time Weighting...181Parameters ...153

200Hand-held Analyzer 2250 Light – User ManualVVersionsHardware and Software ... 28View and Control Instrument ...

CHAPTER 2Assembling Your Analyzer13To Connect:1) Gently screw Microphone Type 4950 onto Preamplifier ZC-0032 (see items 1 and 2 inFig.2.1).2) Insert t

TechnicalDocumentationHand-held Analyzer 2250 LightWith Sound Level Meter Software BZ-7130 1/1-oct. Frequency Analysis Software BZ-7131 1/3-oct. Frequ

14Hand-held Analyzer 2250 Light – User ManualConnecting a Microphone Extension CableThere are two optionally available extension cables which are reco

15Chapter 3Making Your First Measurement3.1 IntroductionThis chapter describes how to make a basic measurement and how to save and document theresults

16Hand-held Analyzer 2250 Light – User Manual6) When measurement has finished, press the Save pushbutton to save your data.7) To view and organise y

CHAPTER 3Making Your First Measurement173.3.2 Switching OnSwitch the analyzer on by pressing . The start-up time depends on the state the analyzer wa

18Hand-held Analyzer 2250 Light – User ManualFig.3.2Changing the project template2) Tap on Measurement Mode in the view area and set to Manual (Fig.3.

CHAPTER 3Making Your First Measurement19The indications should be as follows: • Yellow status indicator flashing every 5 s before starting the measure

20Hand-held Analyzer 2250 Light – User Manual6) Set Measurement Mode to Automatic and choose a preset time for your measurement.Then repeat steps 3 an

CHAPTER 3Making Your First Measurement213.4 Save your MeasurementWhen you have completed your measurement, you need to save it. By default, 2250 Light

BE 176623 February 2015 Hand-held Analyzer 2250 Lightwith the following 2250 Light Software:Sound Level Meter Software BZ-71301/1-oct. Frequency Anal

22Hand-held Analyzer 2250 Light – User Manual3.4.1 Viewing the Saved MeasurementTo view the saved measurement, tap the project name or the Main Menu i

CHAPTER 3Making Your First Measurement23Fig.3.9Example of a GPS note If you do not have a GPS receiver, but know the position (for example, from your

24Hand-held Analyzer 2250 Light – User Manual

25Chapter 4Getting to Know Your Analyzer4.1 What is a Sound Level Meter?A Sound Level Meter (SLM) is an instrument that is designed to measure sound l

26Hand-held Analyzer 2250 Light – User Manualfluctuating sound pressure level. It is a measure of the averaged energy in a varying soundlevel. It is n

CHAPTER 4Getting to Know Your Analyzer27Instantaneous Measured Parameters• Instantaneous Time-weighted Sound Levels (Lp – example: LAF)• Sound Pressur

28Hand-held Analyzer 2250 Light – User Manual4.2.4 Signal Recording Option BZ-7226This option allows recording of the input signal (typically sound) i

CHAPTER 4Getting to Know Your Analyzer294.3 What is Measurement Partner Suite BZ-5503?Measurement Partner Suite BZ-5503 comes standard with your hand-

30Hand-held Analyzer 2250 Light – User ManualFig.4.1 The ‘Star’ navigation concept

CHAPTER 4Getting to Know Your Analyzer31This configuration gives you immediate access to screens you need most, that is, those you willneed to perform

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32Hand-held Analyzer 2250 Light – User ManualTransducersThe Transducers screen is accessed from the Main Menu, you can view details of thetransducer c

CHAPTER 4Getting to Know Your Analyzer33Fig.4.2Typical screen when making a measurementThe main areas, starting at the top of the screen, are:• Projec

34Hand-held Analyzer 2250 Light – User ManualSecond Line:• Measurement state represented as icons: Stopped , Running and the Paused icon • Elapsed

CHAPTER 4Getting to Know Your Analyzer354.4.3 Use of Pushbuttons for Controlling MeasurementsThe design of the analyzer is such that the layout of the

36Hand-held Analyzer 2250 Light – User Manual4.4.4 On-screen Feedback and Traffic LightFeedback is given on screen in the Status Field, see Fig.4.2, a

CHAPTER 4Getting to Know Your Analyzer37Fig.4.3Changing parameter valuesStylus UsageTap on the value you want in the drop-down, or tap outside the lis

38Hand-held Analyzer 2250 Light – User ManualTap on the digits or use Up Arrow /Down Arrow to increment/decrement the number.Use Left Arrow /Right

39Chapter 5Calibration5.1 IntroductionCalibration is an adjustment of your sound level meter to measure and display correct values.The sensitivity of

40Hand-held Analyzer 2250 Light – User ManualManual CalibrationIf no calibrator is available (or a known amplification is introduced, e.g., by analysi

CHAPTER 5Calibration41that disturb the calibration, rest the assembly in a roughly horizontal position on a table orother flat surface.) Ensure that t

Table of ContentsCHAPTER 1Introduction... 11.1

42Hand-held Analyzer 2250 Light – User ManualThis screen displays the following information:• Details of the last calibration: date, sensitivity, devi

CHAPTER 5Calibration435.5 Transducer DatabaseThe specifications for Microphone Type 4950 (and Preamplifier ZC-0032), which comes fittedin the top sock

44Hand-held Analyzer 2250 Light – User ManualType 4950 is the default entry. Change Microphone Type if you are using a different Type. Forknown microp

CHAPTER 5Calibration45The automatic calibration reminder facility will pop-up a reminder approximately 2 monthsbefore your next calibration is due and

46Hand-held Analyzer 2250 Light – User ManualThe method is based on detection of changes in impedance at the input terminal. It wasdeveloped for monit

CHAPTER 5Calibration47Fig.5.9CIC Calibration tabThe result of the Charge Injection Calibration consists of four parameters:•CIC Ratio• CIC Ratio Date•

48Hand-held Analyzer 2250 Light – User Manual

49Chapter 6Data Management6.1 Organising Measurements6.1.1 Description of Jobs and ProjectsWhen saving a set of measurement results, they are organise

50Hand-held Analyzer 2250 Light – User ManualJobs can be created in the internal memory, on a Secure Digital (SD) Card, on a USB memorystick (hardware

CHAPTER 6Data Management51To go down one level (that is, exit the Memory level), you tap on the job name (Internal Disk inthis case) and select Open f

CHAPTER 6Data Management... 496.1 Organising Measurements..

52Hand-held Analyzer 2250 Light – User Manual6.3.1 Viewing Data and Re-using Setups from ProjectsUse Explorer to locate the project with the setup you

53Chapter 7Connection to PC or Smart Phone7.1 IntroductionYou can connect to your analyzer from a PC or smart phone in a number of different waysusing

54Hand-held Analyzer 2250 Light – User ManualNote: The on-line help for BZ-5503 contains additional information on how to connect aninstrument using t

CHAPTER 7Connection to PC or Smart Phone55Using this software, measurements on the analyzer can be controlled from your PC anddisplayed online, using

56Hand-held Analyzer 2250 Light – User Manual7.4 Internet Browser for Online Display and Control of the AnalyzerWhen the analyzer is connected to a ne

CHAPTER 7Connection to PC or Smart Phone57Click the View Instrument button to enter the web page for viewing the instrument only. Youmight be prompted

58Hand-held Analyzer 2250 Light – User ManualThe View and Control Instrument Web PageFig.7.4 shows the View and Control Instrument web page, where you

59Chapter 8Advanced Use of Your Analyzer– Tips and Tricks8.1 Setting Your Preferences on the AnalyzerYou can specify a number of parameters controllin

60Hand-held Analyzer 2250 Light – User ManualFig.8.2Display Settings screenYou can select the optimum choice of brightness for the traffic light (for

CHAPTER 8Advanced Use of Your Analyzer – Tips and Tricks61Fig.8.3Power Settings screen Left: Hardware versions 1 – 3Right:Hardware version 4The backli

CHAPTER 13Tone Assessment Option BZ-7231 – 1/3-octave Method ...

62Hand-held Analyzer 2250 Light – User ManualThe instrument will automatically switch off when it has been in standby mode withoutexternal power for m

CHAPTER 8Advanced Use of Your Analyzer – Tips and Tricks63A selection of common languages have been provided with the user interface of the analyzer.S

64Hand-held Analyzer 2250 Light – User Manual8.1.5 Headphone SettingsThe headphone settings allow you to control the output to the headphone socket on

CHAPTER 8Advanced Use of Your Analyzer – Tips and Tricks658.2 Modem/DynDNS SettingsYou can use the analyzer for monitoring in remote places and contro

66Hand-held Analyzer 2250 Light – User ManualWhen the Modem parameter is set to GPRS/EDGE/HSPA Dialup, then a connection is madeusing the settings in

CHAPTER 8Advanced Use of Your Analyzer – Tips and Tricks67Compact Flash ModemsThe following modem has been tested:• Compact GPRS from Pretec (www.pret

68Hand-held Analyzer 2250 Light – User ManualIn the analyzer you need to specify the Hostname, Username and Password and set Active toYes in Preferenc

CHAPTER 8Advanced Use of Your Analyzer – Tips and Tricks69WLAN Connection The analyzer provides a wireless LAN option using a WLAN card.Hardware versi

70Hand-held Analyzer 2250 Light – User ManualDefault GatewayAddress to a gateway for routing to another networkSelectable if Set IP Address = Manually

CHAPTER 8Advanced Use of Your Analyzer – Tips and Tricks718.4 NotificationsThe analyzer can send you a daily status or notify you if disk space is get

APPENDIX DPreferences... 167D.1 Display Settings ..

72Hand-held Analyzer 2250 Light – User ManualTable 8.2 Content of NotificationNote: some of the information listed above may not be available, dependi

CHAPTER 8Advanced Use of Your Analyzer – Tips and Tricks738.4.3 Email NotificationsEmail notifications can be used if the analyzer is connected to a n

74Hand-held Analyzer 2250 Light – User ManualPassword ProtectionConnection to the instrument is password protected. There are two levels of protection

CHAPTER 8Advanced Use of Your Analyzer – Tips and Tricks758.6.2 GPS ReceiversThe analyzer can be connected to the following GPS receivers:• GPS Receiv

76Hand-held Analyzer 2250 Light – User Manual8.7 Timers and Automatic MeasurementsAutomatic control of the analyzer is available via one or more of th

CHAPTER 8Advanced Use of Your Analyzer – Tips and Tricks77In the topmost line you can add other timers by tapping on the Add New Timer icon . Youcan

78Hand-held Analyzer 2250 Light – User Manual

79Chapter 9Updating, Maintenance and Troubleshooting9.1 How to Install New ApplicationsSound Level Meter Software for 2250 Light BZ-7130, 1/1-octave F

80Hand-held Analyzer 2250 Light – User Manualhardware version 1 – 3, install your preferred language (with G4 hardware, all languages arepre-installed

CHAPTER 9Updating, Maintenance and Troubleshooting814) When download is complete, the measurement is paused and normal use of the instrumentis prevent

1Chapter 1Introduction1.1 WelcomeThis user manual describes the 2250 Light (Type 2250-L), including:• Sound Level Meter Software for 2250 Light, BZ-71

82Hand-held Analyzer 2250 Light – User Manual9.2.3 Downgrade to an Earlier VersionIt is possible to downgrade to an earlier version of the software:1)

CHAPTER 9Updating, Maintenance and Troubleshooting83Problems with Storing or Recalling DataIf you experience problems in storing or recalling data on

84Hand-held Analyzer 2250 Light – User Manual9.3.3 Battery Pack and Recalibration of Battery Charge IndicatorThe software keeps the capacity of the ba

CHAPTER 9Updating, Maintenance and Troubleshooting859.3.5 Reset OptionsReset ButtonWARNING:Unsaved data or setups will be lost when you reset the inst

86Hand-held Analyzer 2250 Light – User ManualFig.9.4Update 2250 Light software screen c) Cancel the update by pressing any other pushbutton than the A

CHAPTER 9Updating, Maintenance and Troubleshooting87Fig.9.6Restore factory firmware and settings on hardware version 4 c) Press the Accept pushbutton

88Hand-held Analyzer 2250 Light – User ManualPress the Accept pushbutton to update the software. This will take approximately5 minutes.WA RNIN G:Do

CHAPTER 9Updating, Maintenance and Troubleshooting899.4.6 Hardware Maintenance and RepairYou can minimise the risk of unexpected costs by purchasing t

90Hand-held Analyzer 2250 Light – User Manual9.5.3 Storing the Instrument• Keep the sound level meter in a dry place, preferably within its carrying p

91Chapter 101/1- and 1/3-octave Frequency Analysis(Optional Modules)2250 Light has two optional Frequency Analysis modules, these are:• 1/1-octave Fre