Sper Scientific 850025 Mini Environmental Quality Meter - Manual (Page 10)

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Pressing Hold will freeze the
current reading on the display.
The HOLD symbol will be
displayed at the top of the
display window.
To release the Hold function,
press Hold again, the HOLD
indicator will disappear and the
current reading will be displayed.
REC (Record) function
The REC (Record) function will
record and display the maximum
and minimum readings.
1. Start the Record function
by pressing REC once.
The REC symbol will appear
on the display.
2. With the REC symbol on
the display:
a. Press REC once and the
Max symbol will appear on