Sper Scientific 850007 Visible Light SD Card Logger - Manual (Page 23)

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Maximum and Minimum
To record maximum and minimum
readings:
1. When measuring any parameter,
press REC to begin recording the
maximum and minimum values.
“REC” appears on the LCD.
2. Press REC. The maximum value
and “REC MAX” will appear on
the LCD.
3. Press REC. The minimum value
and “REC MIN” will appear on the
LCD.
4. To delete the maximum or
minimum value, press HOLD.
“REC” appears on the LCD and
the meter will begin recording the
maximum and minimum values
again.
5. To exit the min/max function,
press and hold REC for 2
seconds. The meter will return to
MEASUREMENT
PROCEDURES