METER
AND
BUTTON
DESCRIPTION
HOLD:
Freeze
current
readings,
increase
value(Set
area
mode),
viewing
up
stored
data.
MODE:
Enter
VEL
mode,
VOL
mode,
REC
mode
.
Cycle
viewing
Temp.RH%,DP,WBT
(VEL,VOL
mode)
,Change
area
L(L1),W(L2),D
(Set
Area
mode)
.
ON/OFF:
Power
on
or
power
off,
Toggle
M
2
and
FT
2
.
+SET
quick
to
select
stored
area
group
(At
VEL
mode).
MAX/MIN:
Cycle
viewing
Max.Min,Avg
(
at
REC
mode)
,
return
to
record
mode.
SET:
Set
area
value(
Set
area
mode),
+ON/OFF
quick
to
select
stored
area
group.
Save
velocity
reading
and
return
to
normal
velocity
mode.
Save
purposes.
UNIT:
Change
unit
of
Temp.DP,WBT.
Change
velocity
unit
(Both
VEL,VOL
mode)
BKLT:
Activate
backlight
function
or
inactivate
,
Decrease
value
(At
Set
area
mode),
viewing
back
the
stored
data
.
OPERATION
DESCRIPTION
POWER:
Power
on
meter
by
pressing
ON/OFF
button
to
VEL
(Air
velocity)
mode,
press
and
hold
ON/OFF
button
to
turn
off
meter
operation.
MODES:
1.
Press
MODE
for
2
seconds
from
VEL
mode
to
VOL
(Air
volume)
mode
.
2.
Press
MODE
for
2
seconds
while
at
VOL
mode
to
enter
REC
(Record)
mode.
3.
Press
MODE
for
2
seconds
while
at
REC
mode
to
VEL
mode
again.
BACKLIGHT:
Press
BKLT
button
for
2
seconds
to
activate
backlight,
to
escape
backlight
by
pressing