1710
‐
PT060PNE
Rev.
0
Page
40
of
57
5.5.3 Zero
calibration
Before
calibrating
the
zero,
make
sure
the
weighing
system
is
completely
empty
and
the
reading
is
stable.
Zero
calibration
foresees
the
resetting
of
the
tare
value,
therefore
make
sure
the
structure
is
complete.
To
access
the
calibration
menu,
you
must
enter
the
instrument’s
management
menu
by
selecting
the
following
function:
C
A
L
Press
Key
O
F
F
S
1
Press
key
or
to
cancel
the
operation.
2
E
R
O
1
The
instrument
is
ready
to
receive
the
confirmation
command.
-
2
E
R
O
-
By
pressing
key
,
the
instrument
performs
the
calibration
and
displays
message:
D
O
N
E
The
operation
can
be
repeated
a
few
times.
Zero
calibration
is
the
same
also
for
channel
2.
