AN10-en-GB_V1.1 4/15
4
Operation
Power
Press
the
Power
button
to
switch
the
meter
ON
or
OFF.
If
the
meter
does
not
switch
ON
when
prompted,
check
that
a
fresh
9V
battery
is
installed
correctly
in
the
rear
battery
compartment.
Air
Velocity
Measurements
1.
Switch
the
meter
ON
using
the
power
button.
2.
Hold
the
probe
so
that
the
air
enters
the
vane
from
the
rear
of
the
meter.
3.
Read
the
air
velocity
measurements
on
the
LCD.
Units
selection
1.
Switch
the
meter
ON.
2.
Press
and
hold
the
MAX
‐
AVG
button
for
2
seconds.
3.
The
unit
of
measure
will
step
to
the
next
unit
of
measure
on
the
list
below
4.
Repeat
step
3
until
the
desired
unit
of
measure
is
selected.
Units
of
Measure
List
M/S:
meters
per
second
MPH:
miles
per
hour
FPM:
feet
per
minute
KNT:
knots
(nautical
miles
per
hour)
KPH:
kilometers
per
hour
MAX
‐
AVG
Recording
1.
Press
the
MAX
‐
AVG
button
momentarily
to
display
the
highest
air
velocity
reading
(maximum)
recorded.
The
reading
shown
will
be
the
highest
reading
measured
since
the
meter
was
switched
ON.
The
MAX
icon
will
appear
at
the
top
of
the
LCD.
2.
Press
the
MAX
‐
AVG
button
again
to
display
the
average
of
all
air
velocity
readings
(AVG)
taken
since
the
meter
was
switched
ON.
The
AVG
icon
will
appear
at
the
top
of
the
LCD.
3.
Press
the
MAX
‐
AVG
button
again
to
switch
the
display
back
to
real
time
measurement
mode.
The
MAX
and
AVG
icons
will
switch
OFF.
4.
To
reset
the
record
history,
switch
the
meter
OFF
then
back
ON
again.
LCD
Backlight
The
LCD
backlight
switches
ON
automatically
when
the
ambient
light
dims
below
the
threshold.
The
ambient
light
sensor
is
located
directly
above
the
LCD
window.
To
test
the
backlight,
cover
the
ambient
light
sensor
and
the
LCD
backlight
should
immediately
switch
ON.
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1.800.561.8187
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