DT500-en-GB_v1.5 7/16
6
Operating
Instructions
Measurement
Considerations
1.
For
best
results,
choose
a
target
that
is
flat,
hard
and
smooth
2.
Use
a
section
of
cardboard
or
similar
material
if
the
target
size
needs
to
be
increased
3.
Replace
the
battery
if
the
battery
icon
flashes
on
the
display
4.
The
meter
will
not
measure
through
glass,
liquid,
or
Styrofoam
5.
Inaccurate
measurements
may
result
from
any
of
the
following:
Low
battery
Measured
distance
exceeding
specified
range
Irregular
shaped
objects
near
the
target
Preparation
for
Measurements
1.
Press
the
MEAS
button
to
switch
the
meter
ON.
The
unit
automatically
switches
OFF
after
three
(3)
minutes
of
inactivity.
Press
and
hold
the
CLR
button
to
switch
the
unit
OFF
manually.
2.
Press
the
CLR
button
to
cancel
the
last
action
performed
or
clear
the
last
data
displayed
on
the
screen.
3.
Press
CLR
and
Measure
button
simultaneously
while
in
Storage
mode
to
clear
all
of
the
data
stored
in
memory.
4.
Press
and
hold
the
UNIT
button
to
change
the
unit
of
measure
(ft
=
feet,
in
=
inches,
m
=
meters,
and
‘
“
(feet
and
inches).
5.
Press
Unit
button
quickly
to
turn
the
backlight
on
or
off.
6.
Use
the
reference
button
to
select
the
Top
or
Bottom
distance
reference.
In
the
Top
mode
(2),
the
displayed
reading
will
represent
the
distance
from
the
top
of
the
meter
to
the
target.
In
the
Bottom
mode
(1),
the
displayed
reading
will
represent
the
distance
from
the
bottom
of
the
meter
to
the
target.
This
is
the
default
mode.
For
measuring
from
a
Tripod,
corner
or
edge,
refer
to
the
Tripod
and
Positioning
Bracket
sections.
1
2
