MAX/MIN function of Noise level tester
1. Press the [REC ] button once to put the meter in MAX/MIN mode. The meter will now display the highest reading that occurs while the function is enabled. The “MAX” icon will appear in the display.
2. Press the [REC ] button again to display the lowest reading that occurs while the function is enabled. The “MIN” icon will appear in the display.
3. Press [REC] again to toggle between the MAX and MIN readings.
4. To exit the MAX/MIN mode and return to the normal real time display, press and hold the [REC] button (2 seconds) until the MAX and MIN icons disappear.
