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3.2
SD
Memory
Card
Measurement
data
can
be
stored
on
a
removable
SD
memory
card
for
later
use.
Note:
Power
OFF
the
meter
before
inserting
or
removing
the
memory
card.
Use
only
a
4GB
micro
SD
card.
Removing
SD
card
or
powering
the
meter
off
while
data
is
storing
to
the
card
can
cause
internal
data
to
be
destroyed.
1.
Insert
the
card
taking
care
to
observe
the
correct
orientation.
Push
the
card
in
carefully,
until
it
is
properly
sealed.
2.
To
remove,
push
the
card.
The
SD
card
with
pop
out
and
can
be
removed.
3.3
Setting
the
Backlight
Auto
Off
time
1.
Press
the
to
turn
the
backlight
on
or
off.
2.
Press
the
MENU
key
to
bring
up
the
menu
list
screen.
3.
Use
the
+
/
-
key
to
select
“
Backlight
Auto
Off
”
then
press
the
key.
4.
Use
the
+
/
-
key
to
select
the
automatic
turn
off
time
then
press
the
key.
Options
are:
30
seconds,
1
minute,
3
minutes
or
OFF
(without
automatic
turn
‐
off
function).
5.
Press
MENU
key
to
return
to
the
measurement
screen.
To
turn
the
backlight
off
before
the
automatic
turn
‐
off
time,
press
the
key.
