3
SDL720-en-GB_V1.0 12/16
Getting
Started
Power
ON
‐
OFF
Power
the
meter
by
pressing
and
holding
the
power
button
for
at
least
1.5
seconds.
Press
and
hold
the
power
button
for
at
least
1.5
seconds
to
power
OFF
the
meter.
This
meter
is
powered
by
six
(6)
1.5VDC
‘AA’
batteries
or
by
optional
AC
adaptor.
If
the
meter
will
not
switch
ON
please
check
that
fresh
batteries
are
installed
in
the
rear
battery
compartment
or,
in
the
case
of
the
AC
adaptor,
check
that
the
adaptor
is
connected
correctly
to
the
meter
and
to
an
AC
source.
Display
Backlight
To
turn
the
display
backlight
ON
or
OFF,
press
and
hold
the
backlight
button
for
at
least
1.5
seconds.
The
meter
will
beep
when
switching
the
backlight
ON
or
OFF
unless
the
beeper
is
disabled.
Units
of
Measure
The
currently
selected
unit
of
measure
is
shown
below
the
measurement
value
on
the
meter’s
LCD.
To
change
the
unit
of
measure,
press
and
hold
the
UNIT
button
until
the
desired
unit
of
measure
appears
and
then
release
the
UNIT
button.
The
meter
begins
scrolling
through
the
available
units
of
measure
(see
table
below)
after
the
UNIT
button
has
been
depressed
for
at
least
1.5
seconds.
UNIT
DISPLAY
INDICATOR
psi
PSI
Inch
Hg
In
Hg
Inch
H
2
O
In
H2O
hPA
hPA
kPA
_PA
Bar
bAr
Kg/cm
2
_g
C2
mm
Hg
‐‐
Hg
Meters
H
2
O
‐
t
H2O
Atmospheres
AtP
ZERO
Adjustment
To
null,
or
zero,
the
display
for
a
connected
sensor,
press
and
hold
the
up
and
down
arrow
keys
for
at
least
1.5
seconds.
The
meter
will
show
CAL
0
on
the
bottom
left
of
the
screen.
Data
Hold
To
freeze
a
displayed
reading
on
the
LCD,
momentarily
press
the
HOLD
button
(the
HOLD
icon
will
appear
above
the
reading).
To
exit
HOLD,
press
the
HOLD
button
again.
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1.888.610.7664
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