Sper scientific 850020, Инструкция по эксплуатации

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BACKLIGHT
Press for 2 seconds to turn the illuminated
display on/off.
HOLD FUNCTION
With the meter on, press the HOLD button to
display “HOLD” and the last reading. Press
HOLD again to exit this function.
MAX/MIN FUNCTION
Max/Min readings are continually updated as
soon as you enter the Max/Min mode. These
readings are reset when you exit the Max/ Min
mode, or when the meter is turned off.
1. Press the
MAX/MIN button once to display
“MAX” and the maximum (peak) recorded
airflow. The display will be updated only
when the max (peak) is exceeded.