I
Contents Page
1 Introduction .............................................................................1
2 General .....................................................................................2
2.1
Warranty ....................................................................................2
2.2
Intended use .............................................................................3
2.3
Safety information .....................................................................3
3
Useful information about the device .....................................4
3.1
Models .......................................................................................4
3.2
Structure ....................................................................................4
3.3
Modes of operation ...................................................................5
3.4 Reset .........................................................................................5
3.5
Listening to noise .....................................................................6
3.5.1
Adjusting the volume .............................................................7
3.5.2
Automatic hearing protection .................................................8
3.5.3
Switching off the noise ...........................................................9
3.6
Automatic shut down .................................................................9
3.7
Illumination of display ..............................................................10
4 Measuring ..............................................................................11
4.1
How to switch the device on (measuring mode) ..................... 11
4.2
How to measure ...................................................................... 11
4.2.1
What you need to know about the noise picked up ..............13
4.2.2
What you need to know about the measured value
displayed ..............................................................................13
4.3
How to influence the quality of the measurement result .........14
4.3.1
Changing the filter level .......................................................14
4.3.2
Using an external microphone ............................................17
4.3.3
Extending the probe tip ........................................................18
5
Normal settings .....................................................................19
5.1
How to use the normal settings ...............................................19
5.2
What values can be adjusted? ................................................21
6
Maintenance and servicing ..................................................23
6.1
Overview .................................................................................23
6.2
Simple function test (troubleshooting) .....................................23
6.3
Replacing disposable/rechargeable batteries .........................24
