Larson Davis 824 - Page 18

824 Reference Manual
iii-xiv
Unsupported Miscellaneous Commands .............................................................A-78
Data File Commands ...........................................................................................A-79
Keyboard Simulation ...........................................................................................A-80
Operation Notes ...................................................................................................A-81
Appendix B Integrated Level Calculations B-1
Appendix C Technical Specifications C-1
Declaration of Conformity................................................................................C-2
1/1 and 1/3 Octave Filters ...............................................................................C-20
Frequency Range........................................................................................C-20
Filter Shapes:..............................................................................................C-20
Frequency Response .......................................................................................C-24
Power/Current Draw of 824 Using External Power........................................C-49
Appendix D Glossary D-1
Allowed Exposure Time (Ti) .......................................................................D-1
Average Sound Level (Lavg) .......................................................................D-2
Community Noise Equivalent Level (CNEL, Lden)....................................D-2
Criterion Duration (Tc) ................................................................................D-3
Criterion Sound Exposure (CSE) .................................................................D-3
Criterion Sound Level (Lc) ..........................................................................D-3
Daily Personal Noise Exposure (LEP,d)......................................................D-3
Day-Night Average Sound Level (DNL, Ldn).............................................D-3
Decibel (dB) .................................................................................................D-4
Department of Defense Level (LDOD)........................................................D-8
Dose..............................................................................................................D-8
Detector ........................................................................................................D-8
Eight Hour Time-Weighted Average Sound Level (L TWA(8)).................D-8
Energy Equivalent Sound Level (Leq).........................................................D-8
Exchange Rate (Q), Exchange Rate Factor (q), Exposure Factor (k) ..........D-8
Far Field .......................................................................................................D-9
Free Field......................................................................................................D-9
Frequency (Hz, rad/sec) ...............................................................................D-9
Frequency Band Pass Filter........................................................................D-10
Frequency Filter - Weighted ......................................................................D-10
Leq..............................................................................................................D-12
Level (dB) ..................................................................................................D-12
Measurement Duration (T).........................................................................D-12