User's Manual
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Marine Sanitation System
DWM-221 Marine Sanitation System
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USSD
C
lick
to enter USSD interfac
e
.
You c
an add,
edit,
delete,
a
nd
se
nd USSD oper
atio
n
. T
he
result
o
f send
ing
wil
l display o
n
the
ed
it box.
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