MF5700
User
Manual
16
|
P a g e
5.5.1
Starting
the
measurement
Once
the
power
is
supplied
and
no
abnormal
issues
are
observed,
the
meter
is
ready
to
perform
the
measurements.
The
default
display
is
for
the
mass
flow
measurement
having
two
numerical
lines
on
the
LCD.
The
upper
line
is
the
accumulated
or
totalized
flow
rate,
and
the
lower
line
is
the
instant
flow
rate.
If
the
battery
symbol
turns
into
,
proceed
to
change
the
battery
or
plug
in
the
external
power
cord.
5.5.2
MENU
entry
with
a
verified
password
At
the
flow
measurement
(main)
display,
press
the
central
“M”
MENU
key,
it
will
enter
into
the
password
setting
and
verification
MENU.
The
default
password
is
“11111”.
If
the
password
is
incorrect,
the
display
will
return
to
the
main
display.
To
enter
a
new
password,
press
the
“Up”
or
“Down”
key
to
change
the
digit
that
flashes,
and
press
the
“M”
key
to
confirm.
Repeat
this
process
for
all
5
digits
and
the
meter
will
enter
into
the
menu
setting
interfaces/screen.
Subsequently,
the
MENU
allows
the
user
to:
Set
Modbus
address
F2
‐
Addr
Change
communication
baud
rate
F3
‐
bPS
Reset
or
calibrate
the
offset
F11
‐
oFFST
Enter
the
gas
conversion
factor
(GCF)
F12
‐
GCF
Change
the
response
time
F16
‐
rESPS
Change
the
display
mode
F38
‐
dISP
Change
the
display
language
F39
‐
LAnG
Open/Close
the
valve
F43
‐
VALVE
Set
upper
flow
rate
limit
alarm
F51
‐
ALM
‐
H
Set
lower
flow
rate
limit
alarm
F52
‐
ALM
‐
L
Set
totalized
or
accumulated
flow
rate
alarm
F53
‐
ALM
‐
A
Change
the
default
password
F91
‐
PASS
Clear
or
reset
the
totalizer
or
accumulated
flow
rate
F92
‐
CLr
‐
A
Exit
from
the
MENU
F99
‐
qUIT
Note
:
During
this
process,
the
meter
will
continue
to
measure
the
flow
without
being
interrupted.
