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Norsonic 140 Set-up Guide & Features

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Содержание Norsonic 140

Страница 1: ...Norsonic 140 Set up Guide Features ...

Страница 2: ...ion Currently Fast Sound Pressure Level Adjusted using keys 8 for Time Constant and 3 to change display function A weighted and 2nd network Weighted readings Display Range Values Adjusted using inc dec keys Note this Does not alter the measurement Range Graphical dB reading Corrections Applied G is pre amp ...

Страница 3: ...een Shots Storing Method Automatic Automatic saving Repeat Repeat measurement duration and save until stopped Syncro Synchronise with the clock Manual Waits for Store Record key to be pressed before saving ...

Страница 4: ...ch Light Activation To make sure the handswitch light comes on go into 1 Instrument menu 2 IO Print and then press button 1 for the Dig IO ports Make sure DO 1 is set to REC using the inc or dec keys at the top of the meter ...

Страница 5: ...Screen Shots Clock Make sure set clock is highlighted before pressing enter ...

Страница 6: ...Screen Shots 2nd Network ...

Страница 7: ...very low levels are measured on the front screen then it is likely that the voltage to the microphone is turned off Active corrections are displayed by letters at the base of every screen The preamp correction should be the only one active unless using a random incident microphone or a different composition windscreen ...

Страница 8: ...easurement is taking place To activate the Ref tone needs to be set to On and the Type Pink The gain value if set to 0 starts at 118dB Putting a minus in here therefore brings the playback level down from 118dB So 48 gain gives a playback volume of 70dB The Ex time is the period of time that this recording reference last for The frequency is only relevant if the Type is changed to Sine otherwise i...

Страница 9: ...Screen Shots Measurement Durations To move between boxes type the number press enter use arrow keys to move to next box Resolution reduced using inc and dec keys ...

Страница 10: ...creen Shots L t Parameters 1 will be stored every second can plot level vs time graph 0 will only appear in the global file Press button 5 to scroll through screens there are 3 in the advanced Lt option ...

Страница 11: ...Screen Shots Frequency Mode 1 3 6 3Hz 20kHz standard microphone measurement capabilities 1 3w 0 4Hz 20kHz for use with accelorometer ...

Страница 12: ...starts measurement Clock press 1 when highlighted measurement starts at specified time and runs for measurement duration External Link to bluetooth 3G etc Level Above press 1 when highlighted set dB level to exceed before measurement starts ...

Страница 13: ...Screen Shots Trigger External is the handswitch audio trigger Level gives you a level above trigger Press 1 to access settings Delay is the pre trigger that can be up to 99seconds ...

Страница 14: ... 6 Trigger 2 Record Trigger and then change the external to off handswitch and the level to on Press button 1 with the Level On highlighted to change the dB level With this set the meter will record audio every time the noise goes above this Threshold Be careful when using this as manned properties will set the trigger off more often ...

Страница 15: ...Screen Shots Recording Settings ...

Страница 16: ... has been saved To load the set up press the Recall key and make sure the letters In the top right say INT for internal memory SDC is SD card and you will need to press the inc or dec key to change Find the correct set up number and press enter The set up number will then appear at the top of the screen with the letter R next to it to indicate it has been recalled ...

Страница 17: ...ry Indicator V indicates the current voltage This will be around 5 for batteries and around 12 for mains supply T indicates the time the meter has been on batteries for This is reset when new batteries are installed ...

Страница 18: ...Notes ...

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