AN340-EU-EN V1.3 4/13
12
P40:
RTC
(real
time
clock)
1.
Once
in
the
setup
mode,
at
the
P40
RTC
display,
momentarily
press
the
ENTER
button
to
access
the
P40
menu.
2.
The
‘12H’
or
‘24H’
icon
should
now
be
shown
on
the
display.
Use
the
arrow
buttons
to
select
12H
(12
hour
clock)
or
24H
(24
hour
clock).
Press
ENTER
to
confirm
entry.
3.
The
upper
display
should
now
show
RTC
again
and
the
lower
display
will
show
the
date
in
YY
‐
MM
‐
DD
format.
The
‘YY’
digits
should
be
flashing.
Use
the
arrow
buttons
to
select
the
current
year
and
then
press
ENTER
to
confirm.
4.
The
‘MM’
digits
should
now
be
flashing.
Use
the
arrow
buttons
to
select
the
current
month
and
then
press
ENTER
to
confirm.
5.
The
‘DD’
digits
should
now
be
flashing.
Use
the
arrow
buttons
to
select
the
current
day
and
then
press
ENTER
to
confirm.
6.
The
upper
display
should
now
show
RTC
again
and
the
lower
display
the
time
in
HH
‐
MM
‐
SS
format.
The
‘HH’
digits
should
now
be
flashing.
Use
the
arrow
buttons
to
select
the
current
hour
and
then
press
ENTER
to
confirm.
7.
The
‘MM’
digits
should
be
flashing.
Use
the
arrow
buttons
to
select
the
current
minute
and
then
press
ENTER
to
confirm.
8.
The
‘SS’
digits
should
now
be
flashing.
Use
the
arrow
buttons
to
select
the
seconds
and
then
press
ENTER
to
confirm.
9.
The
display
should
now
return
to
the
main
‘P40
RTC’
display.
10.
Use
the
arrow
keys
to
step
to
another
parameter
or
press
ESC
to
exit
the
SETUP
mode.
P50:
OFFSET
(relative
humidity
display
offset)
1.
Once
in
the
setup
mode,
at
the
P50
UNIT
display,
momentarily
press
the
ENTER
button
to
access
the
P50
menu.
2.
Use
the
arrow
buttons
to
select
the
desired
relative
humidity
offset.
3.
Press
ENTER
to
confirm
the
selection.
4.
Use
the
arrow
keys
to
step
to
another
setup
parameter
or
press
ESC
to
return
to
the
normal
operating
mode.
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