Larson Davis SoundTrack LxT Operation & User’s Manual

210, LxT Manual Technical Specifications A-13 Power Supply Battery Operating Lifetime Battery Life Test Conditions Continuous run until instrument shuts off due to low battery. Measuring 1/3 octave data Power Save feature set to "Never" Batteries 4-AA (LR6) Alkaline, NiMH or Lithium …

53, 4-16 Measurement Settings Tabs LxT Manual FIGURE 4-17 shows the Day/Night tab. FIGURE 4-17 Day/Evening/Night Definition L DN The day-night level L DN defined by the following formula: L DEN The day-evening-night level L DEN is defined by the following formula: In the default form, the …

114, LxT Manual Time History 9-1 CHAPTER 9 Time History This chapter describes the measurement features associated with the optional data logging firmware LXT- LOG and LXT-HSLOG. Parameters Logged With the optional firmware LXT-LOG enabled, the Time History mode permits the LxT to auto…

37, 3-8 Powering the SoundTrack LxTâ LxT Manual The Backlight can also be adjusted from the Power Page as described in the section "Power" on page 11-4. The backlight mode and display contrast are adjusted using the 4, 6, 8 and 2 keys. There are three options for Backlight: Off, D…

278, LxT Manual Glossary and Formulas C-1 APPENDIX C Glossary and Formulas This appendix contains technical definitions of key acoustical and vibration terms and formulas commonly used with Larson Davis instruments. Refer to American National Standards Institute document S1.1-1994 for additional de…

56, Larson Davis SoundTrack LxT LxT Manual Data Display 5-1 CHAPTER 5 Data Display This chapter describes how data is displayed for basic sound level measurements. Data Labels The LxT sound metrics labels are designated by international standards. For many displayed values, the frequency and time weighting are indi…