Sper Scientific 840034 Psychrometer - Anemometer - Manual (Page 6)

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Auto Off
The 840034 defaults to auto-off mode when turned
on. To override the auto-off function, with the meter
off, hold the
Power button and Mx/Mn buttons simul-
taneously for more than two seconds. The meter will
turn on with the auto-off function inactive.
1. With the meter off, press the
Power button for
more than two seconds to select metric or imperial
measurement.
2. Press
Mx/Mn or Hold to select the scale.
3. Press
Enter to save; the meter will turn on auto-
matically.
Select Unit
FRONT PANEL DESCRIPTION