MP5A Operation and Maintenance Manual
________________________________________________________________________________________________________________
Copyright
©
2023
‐
2024
Halogen
Systems,
Inc.
All
rights
reserved
worldwide.
Rev.:
4.02
29
11.
Appendix
‐
Advanced Functions
All of these actions will require enabling the LONG MENU
11.1.
Long Menu Options
The
Long
Menu
adds
several
options
to
the
Menus.
This
provides
insight
into
some
of
the
internal
calibration
values
that
are
useful
for
troubleshooting.
To
enable
the
Long
Menu:
press
the
and
SELECT
Key
for
at
least
2
Seconds.
You
will
see
a
notice
that
the
Long
Menu
is
Now
Active.
The
Long
Menu
will
remain
until
the
Display
is
powered
off
and
on.
Figure
22:
Long
menu
notification
(2
seconds)
Figure
23:
Long
menu
enabled
with
L
Indicator
11.1.1
Delayed Sample CALIBRATION
‐
This
allows
up
to
10
Minute
Time
Delay
to
obtain
DPD
reading
minimum
2
min
delay.
This
method
will
store
the
internal
signal
value
for
chlorine
in
the
Display
for
up
to
10
minutes.
This
allows
time
after
pulling
the
water
sample
for
the
DPD
reaction
(10
minutes).
The
stored
signal
value
will
be
used
for
the
calibration
of
the
sensor.
This
is
useful
for
a
system
with
fluctuating
chlorine
levels
or
where
DPD
reactions
are
done
further
away
from
the
sampling
site.
If
you
already
have
the
DPD
value
you
can
enter
the
DPD
value
at
any
time
during
the
process.
Navigate
to
the
CHL
Menu
Menu
|
Calibration
|
CHL
Menu
Select
Known
Level.
Select
KNOWN
LEVEL
When
you
have
pulled
the
sample,
select
TAKE
SAMPLE
.
This
will
start
the
10
‐
minute
timer
and
store
the
signal
value.
Perform
the
DPD
Reading
in
DPD
Section
after
obtaining
the
value
Select
DPD
LEVEL.
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
L o n g
M e n u
S e l e c t e d
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
C H L
4 .
9 7
p H
7 .
4 0
O R P
8 0 3
C N D
5 1 5
L
T e m p
1 8
Main
Screen
> K n o w n
l e v e l
C H L
Z E R O
D o n e
F a s t
C H L
C a l
> T A K E
S A M P L E
1 0 M I N
D P D
L E V E L
0 4 .
9 7
T i m e
9 .
3
M I N
R e m a i n
> E n t e r D P D
L E V E L 0 4 .
9 7
S a v e
N o w
T i m e
7 .
3
M I N
R e m a i n
E n t e r D P D
L E V E L 0 4 .
9 7
> S a v e
N o w