Sper Scientific 850071 Environmental Quality Meter - Manual (Page 20)

20
Hold Function
1. When measuring any parameter, press HOLD to
freeze the reading on the display. “HOLD” will appear
on the LCD.
2. Press HOLD again to release the hold function.
“Hold” will disappear from the LCD.
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”
appears on the LCD.
3. Press REC. The minimum value and “REC MIN”
appears on the LCD.
4. When you are viewing the maximum or minimum
value, you may press HOLD to delete the value.
“REC” appears on the LCD and the meter will begin
recording maximum and minimum values again.
5. To exit the max/min function, press and hold REC for
2 seconds. The meter will return to Normal Mode.