Sper Scientific 850069 Environmental Quality Meter w/Sound - Manual (Page 20)

- 20 -
The meter freezes the current
measurement value and discontinues
measurement while in Hold Mode.
4. Press HOLD again to exit Hold Mode
and resume measurement.
Record Mode & Auto-Off Selection
To save battery life, the Environmental
Quality Meter turns off automatically after
10 minutes of inactivity. To override this
feature:
1. With the meter turned on, press MAX/
MIN
. The meter displays REC,
disables the Auto-Off feature, and
enters Record Mode.
MEASUREMENT PROCEDURES