MATRON-Light with 2250-M Field Guide, Page 19
diaphragm of the microphone causes an overload to occur during application and removal
of the calibrator.
4.8 The calibration level will now be recorded. (If you wish, you can record the sound signal
generated by the calibrator by pressing the push button of the hand-switch and then stopping
the sound recording after 10-20 seconds.)
After approximately 20 seconds, switch off the calibrator and remove it from the
microphone. The screen on your 2250-M should be similar to this:
4.9 Place the microphone protection cover Type UA-1236 on the microphone.
4.10 The 2250-M is now running and measuring the LAeq values every second.
4.11 Activate the MATRON-Light hand-switch to start a small test of sound recording and
observe the screen which should be like this:
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