Sper Scientific 850014 Sound Level Meter - Mini - Manual (Page 5)

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3-B. HOLD FUNCTION
With the meter on, press the
HOLD (5) button
to display “HOLD” and the last dB reading.
Press HOLD (5) again to exit this function.
3-C. MAX/MIN FUNCTION
The Max/Min dB readings are continually updated
as soon as the meter is turned on. These
readings are reset when you exit the Max/Min
function, or when the meter is turned off.
• With the meter on, press the MAX/MIN (8)
button once to display “MIN” and the minimum
recorded dB level. The display will be updated
when there is a lower dB reading.
• Press the MAX/MIN (8) button again to display
“MAX” and the maximum (peak) recorded dB
level. The display will be updated only when the
max (peak) dB level is exceeded.
• To exit this function, press and hold the
MAX/MIN (8) button for at least 2 seconds, then
release. The current dB reading is displayed.
NOTE: When the meter is first turned on, there
may be a dB “spike” that could influence the
maximum (peak) reading. To ensure accuracy,
enter and exit the MAX/MIN function once to
reset the recorded dB levels.