www.Siargo.com
MF4700
User
Manual
13
|
P a g e
5.4
Meter
display
and
MENU
descriptions
5.4.1.
Meter
display
and
function
keys
Figure
5.1:
MF4700
display
and
function
keys
The
meter
has
a
front
3
‐
key
board
for
the
user
to
set
the
desired
functions,
access
data,
and
check
for
the
status.
The
Menu
key
(M)
is
at
the
upper
right
position
that
allows
the
user
to
select
a
function
and
confirmation
or
other
related
actions
that
will
be
detailed
described
in
the
MENU
key
sequence
graphic
presentation.
Two
keys
(“Up”
and
“Down”)
are
used
to
select
the
functions.
The
two
LED
lights
(I
and
II)
are
used
for
the
indication
of
display
contents.
For
the
default
instant
flow
rate
display,
both
of
these
two
LEDs
will
be
off.
Please
refer
to
the
detailed
information
below.
The
default
instant
flow
rate
is
SLPM
with
4
digits,
one
of
the
digits
is
a
decimal.
When
the
flow
rate
is
above
the
specified
flow
range,
LED
I
will
flash
for
the
flow
rates
above
the
upper
limit,
and
LED
II
will
flash
for
the
flow
rates
below
the
lower
limit.
If
both
LEDs
are
flashing,
the
displayed
values
are
incorrect.
Once
the
power
is
supplied
and
no
abnormal
issues
are
observed,
the
meter
is
ready
to
perform
the
measurements.
While
the
LED
displays
the
instant
mass
flow
rate,
the
accumulated
or
totalized
flow
rate
can
be
accessed
by
press
the
“Up”
or
“Down”
key.
(a)
When
instant
flow
rate
is
sccm,
the
accumulated
flow
rate
is
registered
with
“standard
cubic
centimeter”
(scc),
and
the
maximum
can
be
9,999,999.9
scc,
or
“standard
liter”
(SL),
and
the
maximum
can
be
999,999.99
SL.
(b)
When
instant
flow
rate
is
SLPM,
the
accumulated
flow
rate
is
registered
with
“standard
liter”
(SL),
and
the
maximum
can
be
9,999,999.9
SL,
or
“normal
cubic
meters”
(Nm
3
),
and
the
maximum
can
be
999,999.99
Nm
3
.
The
first
four
digits
of
the
accumulated
flow
rate
are
indicated
by
the
“I”
LED
light,
and
the
last
four
digits
are
represented
when
the
“II”
LED
light
is
on.
The
“I”
and
“II”
LED
lights
will
be
automatically
switched
when
the
accumulated
flow
rate
is
displayed.
The
accumulated
flow
rate
will
be
automatically
saved
every
three
minutes.
At
the
time
of
the
power
failure
or
cut
‐
off,
the
value
will
be
representing
the
latest
saved
ones.