Extech
Instruments
34 GX900-EU-EN V1.6 4/14
CALIBRATION
ACCESS
The
Calibration
selection
allows
a
qualified
calibration
technician
to
enter
a
password
that
grants
access
to
the
meter
for
calibration
purposes.
1.
Press
the
F4
key
(SETUP)
to
access
the
Setup
menu.
2.
Using
the
cursor
buttons,
move
the
menu
selector
next
to
the
item
labeled
Calibration
and
press
OK.
3.
Select
menu
item
CALIBRATE
and
press
OK.
4.
Select
CALIBRATE
and
press
OK.
5.
Input
the
current
password
using
the
menu
keys
and
press
F1
key
(OK)
or
press
the
F4
key
(CANCEL).
Calibration
instructions
are
only
available
to
qualified
certified
technicians.
Contact
Extech
Instruments
for
further
information
concerning
calibration
instructions
BLUETOOTH
TM
CAPABILITY
A
Bluetooth
communication
link
can
be
used
to
connect
to
the
GX900
software.
It
will
also
allow
you
to
monitor
the
meter
from
an
Android
device
using
ExView™.
1.
Open
the
setup
menu
by
pressing
the
F4
key
(SETUP).
2.
Position
the
menu
selector
next
to
the
INSTRUMENT
label
and
press
OK
3.
Position
the
menu
selector
next
to
the
COMMUNICATE
label
and
press
OK
4.
Press
the
F1
key
(START)
to
turn
on
the
Bluetooth™
signal.
5.
Repeat
steps
1~3
and
then
press
the
F2
key
(STOP)
to
turn
off
the
Bluetooth™
signal.
Note:
when
the
meter
is
shut
off
and
then
back
on,
the
Bluetooth
signal
will
have
to
be
turned
back
on
manually.
GX900
SOFTWARE
The
GX900
meter
comes
with
software
that
will
allow
you
to
capture
measured
data
in
Real
Time
and
download
logged
data
from
the
GX900
to
the
software.
Refer
to
the
software’s
help
file
for
instructions
for
use.