Sper scientific 850020, Instruction Manual, Page: 7 / 16

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2. Press the MAX/MIN button again to display
“MIN” and the minimum airflow. The dis-
play will be updated only on reaching a
lower airflow.
3. Press the
MAX/MIN button again to view
a moving average of airflow since you first
entered Max/Min mode.
4. Press the
MAX/MIN button again to exit
Max/Min mode. The current reading is now
displayed and continually updated.
AUTO POWER OFF
1. If no buttons are pushed for about 10 min-
utes, the meter will automatically turn off.
2. While the meter is on, press the power
button for 2 seconds to override Auto Power
Off: disappears from the display indicat-
ing that Auto Power Off is disabled.
Note… The meter defaults to Auto Power Off
each time it is turned on.