Contents - Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Chapter 1 Introduction
- Special Features of the Electronic Version
- Closing Bookmarks
- Click to Display Page
- About This Chapter
- Features
- System 824 Components
- System Diagram
- Getting Started
- Comments concerning the Digital Signal Processor
- Connecting Internal or External Power
- Using Alkaline Batteries or Individual NiMH rechargable cells
- Using the AC Power Adapter
- Chapter 2 Overview
- Instrument Definition (ID) Types
- SLM (ISM)
- Selecting a Measurement Setup
- Performing a Measurement; SLM&RTA (SSA)
- Stop, Pause and Back Erase Functions
- Changing the frequency weighting of the displayed SPL value
- Changing the displayed secondary parameter
- Views
- Data Storage and Recall
- Calibration
- Correction of Calibrator Output Level
- Chapter 3 Front Panel Keys; Functions and Menus
- Power-up the Instrument / Viewing PWR Display
- Power Settings
- Extra Notes on Power Conservation
- Pause
- Preview
- Setup Key
- Title
- Write Protect, Delete, Write Enable IDs
- TTools Key
- About
- Clock/Timer
- Memory
- Deleting Stored Data
- Deleting the Last Stored Record
- Deleting Individual Records
- Power Monitor
- Communication
- Chapter 4 Quick Start
- High Range Calibration
- Taking Measurements and Storing Data
- Viewing RTA Displays during a Measurement
- Recalling Stored Data
- Selecting and Modifying Instrument Definitions (IDs)
- The Setup Menu
- Menu Scrolling
- Write-protected IDs
- Selecting a Different ID
- Accessing the Settings Menu to Initiate Editing or Modification
- Setting Control in the SLM View
- Chapter 5 System 824 Views
- Status Icons and Indicators
- General Views
- SLM Views
- Any Data View
- Any Time Format
- SSA Displays
- Tabular SSA Views
- Time History Displays
- SSA Time History
- Ln Centiles
- Logging SLM Specific Views
- Current SLM and Overall SLM Views
- Current SLM/Overall SLM Display-a (SPL)
- Current/Overall SLM Display-b (Times)
- Current/Overall SLM Display-c (Min/Max)
- Current/Overall SLM Display-e (TWA)
- Exposure Views
- Exposure Display-a
- Exposure-b Display
- Exposure-c Display
- Ln Centiles Views
- Ln-b Display
- Stats Views
- Stats-a Display
- Stats-c Display
- Run Log (LOG & SSA)
- Time History
- Single Other Level
- Intervals
- Intervals-b Display
- Intervals-c Display
- Intervals-d Display
- Intervals-e Display
- Intervals-f Display
- Exceedance History
- Excd-b Display
- Excd-c Display
- Excd Time History Display
- Daily Views
- Daily-b Display
- Daily-c Wind Display
- Daily-d Windy Percent Display
- Hourly Leq Display
- Metrics
- Metrics-b Display
- PassBy
- Wind/Tach
- Wind-b Display
- Wind-c Percent Display
- Chapter 6 System 824 Virtual Instruments
- Selecting an Instrument ID
- SSA Measuring Ranges
- AC/DC Output
- Logging SLM
- Exceedances
- Sound Exposure
- Chapter 7 Using ID Setting Files
- Customizing Settings
- Settings Descriptions
- Common SLM Settings
- Weighting Setting - (SSA, LOG, ISM)
- Range Setting - (LOG, ISM)
- Transducer Setting - (SSA, LOG, ISM)
- Pk Weighting - (SSA, LOG, ISM)
- RTA Weighting - (SSA)
- Control Settings _(SSA, LOG)
- AC/DC Output Settings - (SSA, LOG, ISM)
- Logic Output Setting - (SSA, LOG, ISM)
- Logic Output Time Setting - (SSA, LOG, ISM)
- Logic Output #2
- Logging SLM TWA Settings
- Ovll Threshold - (LOG)
- Criterion Time - (LOG)
- Crnt Threshold (SSA, ISM, LOG)
- Enable Ln
- Ln's
- LOG and SSA Triggering Settings
- PK Excd Lvl 1 - (LOG, SSA)
- LOG and SSA Wind/Tach Settings
- Setup of Wind/Tach Function
- Wind Scale
- Wind Units
- Wind/Tach Enable
- Wind Pause Enable
- Hist Enable - (LOG, SSA)
- Hist Period (LOG, SSA)
- Resolution - (LOG, SSA)
- Advanced Time History - (LOG, SSA)
- LOG and SSA Interval Settings
- Intv Enable - (LOG, SSA)
- Intv Save Ln's - (LOG, SSA)
- Intv Threshold - (LOG, SSA)
- Logging SLM Exceedance History Settings
- Excd Time Hist - (LOG)
- Daily Enable - (LOG)
- Data Report - (LOG, SSA)
- SPL Histogram - (LOG)
- Hist Report - (LOG, SSA)
- Menu Layout of Integrating SLM (ISM) Settings
- Menu Layout of Logging SLM Settings
- Advanced Menu Layout
- Check Menus
- Check Menu Example
- SLM Check Menu Options (SSA and LOG)
- Graph Menu
- Settings
- RTA Check Menu
- Intervals Check Menu
- Time History Check Menu
- Run Log Check Menu
- Ln Centiles Check Menus
- Other Logging (LOG) Check Menus
- LN Centiles Check Menu
- Stats Check Menu
- Excd History Check Menu
- Daily History Check Menu
- Chapter 8 Printing a Report
- Printing Reports
- Defining and Printing Tailored Reports
- Using the Recall Format (SSA and LOG instruments only)
- Default Settings Values for the Recall Format Reports
- tailored report
- Printing a Custom Report
- Chapter 9 Performing a Sound Level Measurement
- Selecting a Measurement ID
- Editing the Microphone Parameters
- Entering the Noise Floor Values
- Editing the Measurement Parameters
- Positioning the Meter
- Selecting the SLM Display
- Selecting the Range Setting
- Performing a Measurement
- Averaging Time
- Linearity Range
- Overload and Under Range Conditions
- Max, Min and Peak Values
- Measuring for a Preset Integration Time
- Measuring using User-Selectable Thresholds
- Chapter 10 Using the 824 Utility Software
- Starting the 824 Utility Software
- Utility Tool Bar
- Utility Setup Window
- Retrieving setups from the 824
- Modifying and Storing Setups to the 824
- Manipulating a Setup
- Saving Setups to Disk Files
- Creating a New Setup
- Renaming an Existing Setup
- Deleting an Existing Setup
- Locking and Unlocking Setups
- Specifying a Destination File
- Changing the Download File Name
- Adding Notes to a download file
- Downloading the Measurement
- Explanation of files in the 824 Utility Directory
- Translating Data from a Downloaded Binary File
- Selecting a Data set to view
- Printing a Translated File
- Viewing a Translated File Within a Spreadsheet Program
- Additional Features
- Chapter 11 RTA (optional)
- Settings Menu
- Autostore Settings Menu
- Arm Settings Menu
- Trigger Settings Menu
- End Settings Menu
- Then Settings Menu
- RT60 Reverberation Time Settings
- RT60-A and RT60-B Instrument Definition
- Qualifying Background Noise: Rooms [RTA] ID
- Display Views
- Trigger Views
- Autostore Views
- Autostore ByTime Spectral History
- ByTime Spectrum Check Menu
- ByTime Graph Check Menu
- RT-60
- RT60 Check Menu
- Spatial Avg Check Menu
- Avg History Check Menu
- Rooms Views
- Chapter 12 FFT (Optional)
- FFT Display
- FFT Check Menu
- THD (Total Harmonic Distortion)
- THD Check Menu
- Snapshot
- Snapshot Check Menu
- FFT Calibration
- Displaying Amplitude in Linear Units
- Setup of Linear Units Readout
- Frequently Asked Questions Concerning FFT
- Chapter 13 AUD (Optional)
- Connecting the Test System
- Selecting the 824-AUD Operation Mode
- Microphone Sensitivity Calibration
- View Menu
- Display Sequence
- SLM+RTA Live Check Menu
- Any Level -a, -b and -c Displays
- Any Level Check Menu
- Linearity RTA Display
- Manual Lock
- Linearity RTA Check Menu
- Linearity FFT Display
- Linearity FFT Check Menu
- Flatness FFT Display
- THD Display
- Pulse/FM-a Display
- Pulse/FM-b Display
- Interface Cables
- Connection to a computer using CBL006
- Daisy Chain Addressing
- Network, Addressing Commands
- Commands
- Remote Control Commands (Detailed)
- Read" Commands (Reads out data variables)
- ANY DATA" READ COMMANDS
- Other Read Commands
- Group Read Programming
- Setting Commands
- Querying Settings
- Ln Query Commands (SSA)
- Numeric Settings
- Template Settings
- Setting List
- Histogram Reports
- Tailored Report
- Error Checking I/O
- RTA Settings Commands
- History Records
- Types of History
- Backup
- History Data Variables
- Interval History Variables ("I" Commands)
- Daily History Variables - (D1-D102)
- Run Log Variables (SSA, ISM, LOG, TAL)
- Calibration History Variables (LOG)
- Time History Variables (SSA, LOG, TAL)
- Print Command
- Error Messages and Warnings
- Modem Control Mode (All Instruments)
- Monitor Number
- Model 824 Answering Procedure
- Unsupported Miscellaneous Commands
- Data File Commands
- Keyboard Simulation
- Operation Notes
- technical specifications
- Declaration of Conformity
- general specifications
- and 1/3 Octave Filters
- Frequency Response
- Power/Current Draw of 824 Using External Power
- Community Noise Equivalent Level (CNEL, Lden)
- Criterion Duration (Tc)
- Decibel (dB)
- Department of Defense Level (LDOD)
- Far Field
- Frequency Band Pass Filter
- Level (dB)
- Near Field
- Noise Dose (D)
- Noise Exposure
- Sound Exposure (SE)
- Sound Pressure
- Sound Power(W)
- Sound Speed, (c,)
- Time Weighting
- Appendix E Memory Usage
- Interval Records (Intv History Enabled)
- Estimating Memory Usage:
- LOG Memory Usage Worksheet
- SSA Memory Usage
- Time History Records (Time History Enabled)
- Reference Sound Pressure Level
- Average Frequency Response Corrections
- Periodic Testing of A-Weighted Sound Levels
- A-Weighted Sound Levels at Upper and Lower Limits of the Linear Operating Range
- Maximum Sound Pressure Level
- Effect of Electrostatic Discharges
- Sound Pressure Level (SPL, Lp)
- Allowed Exposure Time (Ti)
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824 Reference Manualiii-iiiMemory ............................................................................................................3-27Deleting Stored Data ........................................................................................3-29Delete Last Function ...................................................................................3-29824 Memory Structure ................................................................................3-29Deleting the Last Stored Record .................................................................3-30Deleting Individual Records........................................................................3-31Power Monitor .................................................................................................3-33Communication ................................................................................................3-34P Print Key..........................................................................................................3-37Chapter 4 Quick Start 4-1Turning On and Calibrating the System 824 ..........................................................4-1High Range Calibration .....................................................................................4-4Taking Measurements and Storing Data.................................................................4-5SLM&RTA Measurements ................................................................................4-5Viewing RTA Displays during a Measurement.................................................4-8Recalling Stored Data ...........................................................................................4-11Selecting and Modifying Instrument Definitions (IDs) ........................................4-12The Setup Menu ...............................................................................................4-13The Active ID...................................................................................................4-13Menu Scrolling.................................................................................................4-15Permanent IDs..................................................................................................4-15Write-protected IDs..........................................................................................4-16Preparing for a Measurement...........................................................................4-16Selecting a Different ID ...................................................................................4-17Accessing the Settings Menu ...........................................................................4-17Accessing the Settings Menu to Initiate Editing or Modification....................4-18Setting Control in the SLM View ....................................................................4-22Chapter 5 System 824 Views 5-1Status Icons and Indicators .....................................................................................5-2General Views.........................................................................................................5-4SLM Views ........................................................................................................5-5Any Data View...................................................................................................5-8Any Level Format .........................................................................................5-8Any Impulse Format......................................................................................5-8Any Time Format ..........................................................................................5-9SSA Specific Views................................................................................................5-9SSA Displays ...................................................................................................5-11
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