AN340-EU-EN V1.3 4/13
4
MODE
button
Momentary
press
to
step
through
the
available
modes:
air
velocity,
air
volume,
air
temperature,
relative
humidity,
wet
bulb
temperature,
dew
point
temperature.
AVERAGE,
MAXIMUM,
MINIMUM,
and
ENTER
button
Press
to
view
average/minimum/maximum
readings.
Also
used
to
confirm
(enter)
a
selection
while
programming.
START,
ESC
button
In
the
normal
operating
mode,
press
and
hold
for
two
(2)
seconds
to
start
or
stop
the
automatic
datalogger.
Also,
press
to
exit
(escape)
AVG/MIN/MAX,
RECALL,
and
SETUP
modes.
HOLD,
UP
ARROW
button
In
the
normal
mode,
press
to
freeze/un
‐
freeze
the
displayed
reading.
It
is
also
used
to
move
UP
in
a
menu
list.
LW
‐
D
‐
A
(LENGTH/WIDTH
‐
DIAMETER
‐
AREA)
button
In
the
Air
Volume
mode,
press
this
button
to
begin
programming
the
AREA
value
for
the
duct
under
test.
This
button
is
also
used
to
move
DOWN
a
menu
list.
MEM
‐
RECALL
button
In
the
normal
mode
of
operation,
press
this
button
to
manually
record
a
reading
into
the
meter’s
99
location
memory.
Press
and
hold
for
two
(2)
seconds
to
recall
and
review
the
manually
recorded
data
one
reading
at
a
time.
and
With
the
meter
OFF,
press
and
hold
these
two
buttons
to
disable
the
sleep
mode.
Sleep
mode
switches
the
meter
off
automatically
after
a
twenty
(20)
minute
period
of
inactivity.
and
With
the
meter
OFF,
press
and
hold
these
two
buttons
until
PC
appears
on
the
LCD.
The
meter
is
now
ready
to
communicate
with
a
PC.
For
instructions
on
the
use
of
the
PC
interface
please
refer
to
the
HELP
utility
provided
on
the
supplied
CD
‐
ROM.
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