MF5700
User
Manual
18
|
P a g e
Press
the
“M”
key
to
confirm
the
task,
and
it
will
open
the
sub
‐
MENU
asking
you
to
confirm.
Use
the
“Up”
or
“Down”
key
to
select
the
desired
one
and
press
the
“M”
key
to
confirm.
The
display
will
then
return
to
the
F11
‐
oFFST
screen,
which
indicates
the
task
is
completed.
Use
the
“Up”
or
“Down”
key
to
select
F99
‐
qUIT
and
the
“M”
key
to
exit
the
MENU
and
return
to
the
Main
Display
screen.
5.5.6
Gas
conversion
factor
(GCF)
for
different
gas
measurement
For
the
general
purpose
of
the
application,
a
gas
conversion
factor
(GCF)
can
be
applied
to
meter
the
gas
different
from
the
default
one
or
the
one
used
for
calibration.
The
GCF
is
determined
by
the
thermal
calorimetric
sensing
principle
as
well
as
the
meter
fluidic
dynamic
design
and
the
control
circuitry.
Contact
the
manufacturer
to
obtain
the
values
corresponding
to
the
correct
models.
The
GCF
for
air
is
1000.
Note:
If
the
meter
during
purchase
is
ordered
for
a
special
real
gas
calibration,
contact
the
manufacturer
before
further
proceeding.
Following
the
above
‐
mentioned
steps,
at
the
MENU
setting
screen,
use
the
“Up”
or
“Down”
key
to
select
F12
‐
GCF.
Press
the
“M”
key
to
confirm,
and
it
will
open
the
sub
‐
MENU
showing
the
current
gas
conversion
value.
Use
the
“Up”
or
“Down”
and
the
“M”
confirming
key
to
input
the
desired
value,
and
press
the
“M”
key
again
to
complete
the
task.
The
display
will
then
return
to
the
F12
‐
GCF
screen,
which
indicates
the
task
is
completed.
Use
the
“Up”
or
“Down”
key
to
select
F99
‐
qUIT
and
the
“M”
key
to
exit
the
MENU
and
return
to
the
Main
Display
screen.
5.5.7
Set
the
Response
time
Following
the
above
‐
mentioned
steps,
at
the
MENU
setting
screen,
use
the
“Up”
or
“Down”
key
to
select
F16
‐
rESPS
and
then
press
the
“M”
key
to
set
the
response
time.
There
are
6
response
time
selectable:
125,
250,
500,
1000,
2000,
and
5000,
unit
is
msec.
The
default
response
time
is
125
msec.
Use
the
“Up”
or
“Down”
key
to
select
the
desired
one
and
press
the
“M”
key
to
confirm.
The
display
will
then
return
to
the
F16
‐
rESPS
screen,
which
indicates
the
task
is
completed.
Use
the
“Up”
or
“Down”
key
to
select
F99
‐
qUIT
and
the
“M”
key
to
exit
the
MENU
and
return
to
the
Main
Display
screen.
