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Summary of Contents for SPL-Laboratory LCD Bass Meter SE
- Page 1 2017 LCD Bass Meter SE User Manual Portable multi-purpose spectrum analyser Kirill Berezin Spl-Lab 12.01.2017...
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Page 2: Table Of Contents
Table of Contents Table of Contents ..........................2 General Information ........................3 Ergonomics ..........................3 Package Contents ......................... 3 Working with the device........................4 Important safety information: ...................... 4 Identifying the functional parts of the device: ................5 Device power supply: ........................6 Starting the work and configuring the device ................ -
Page 3: General Information
General Information The LCD BASS METER portable noise meter is intended for measuring the noise level and sound pressure at the low frequency. The source of the measured signal can be provided by both industrial equipment and acoustic systems. The main advantage of this noise meter is complete autonomy of work. -
Page 4: Working With The Device
Working with the device Important safety information: ！ The manufacturer does not bear responsibility for damage, caused directly or indirectly, as a result of improper use of device. ！ Before using the device, examine its case for cracks and splits, because any depressurization of the device will result in its breakage. -
Page 5: Identifying The Functional Parts Of The Device
Identifying the functional parts of the device:... -
Page 6: Device Power Supply
Element Assignment Button 1 for switching the device operation modes Lab-Bus port input jack for connecting the external sensors Button 2 the button assignment depends on the mode Power indicator three-coloured LED for indicating status of the device Button 3 the button assignment depends on the mode USB port slot for connecting device to the PC or charger... -
Page 7: Starting The Work And Configuring The Device
Starting the work and configuring the device Connect the sensor to Lab-Bus port. Switch the device on using the slide switch. After it is switched on you will enter the configuration mode - CFG MODE. The name shows up on the display immediately before entering a mode. -
Page 8: Firmware Upgrade Using Pc
Firmware upgrade using PC Download the latest firmware version from Support section of the www.spl-lab.ru web- site. Connect the device to a PC using USB cable. Unpack the archive with firmware to hard drive. Run Loader.exe select firmware file. - Page 9 Wait until firmware is successfully downloaded onto the device.
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Page 10: Operationmodes
Operation Modes There are several operation modes in the LCD BASS METER. The name shows up on the display immediately before entering a mode. Modes are changed cyclically using button 1. Apart from the general operation modes there are measuring modes. Each measuring mode has unique algorithm for conducting measurements. -
Page 11: Spl Measuring Mode
SPL Measuring Mode The SPL mode is intended for measuring the sound pressure level of the low frequency sound signals. The length of the analysed part of the signal equals to one second. The resultant value of the sound pressure level is calculated from several spectral components for each analysed part of the signal separately. -
Page 12: Avg Measuring Mode
AVG Measuring Mode The AVG mode is intended for measuring the time-average sound pressure level of the low frequency sound signals. The length of the analysed part of the signal equals to 1/2 second. Current value of the sound pressure level is calculated from several spectral components separately for each analysed part of the signal. -
Page 13: Description Of The Cd Tracks
Description of the CD tracks The CD included in the Spl-Lab equipment distribution kit alongside with software contains specialised audio tracks with test signals for adjusting a system. Consider that these tracks are recorded not in the file form, but as tracks in Audio-CD format. For playing back the tracks from the CD use specialised software or CD player. - Page 14 Sine signal with frequency of 1,000 Hz Track 84 Sine signal with frequency of 2,000 Hz Track 85...
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