General Tools and Instruments DCFM8901 - Manual (Page 9)

3. Once all measurements have been
recorded press SEL/AVG key.
The unit will display the average air
velocity reading and number of points
measured. ( See Fig.5-1) as an
example of stored 8 points shows
average air velocity measurement.
Fig.5
Repeat this process until all desired
points have been measured and
recorded, A maximum of 8 points may
be recorded at one time.
8
vel Hold
m/s
l l
l l
ll
ll
Fig.5-1
AVG
m/s
vel Hold
Fig.6
E. NON SLEEP MODE
(Bypass auto power off)
Power unit off;press ON/OFF & HOLD at
the same time and then release ON/OFF
only. An "n" appears on the LCD then
you can release the HOLD key. The
meter will remain on until the ON/OFF
button is pressed.(See Fig.6 )