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SHORT MESSAGING SERVICE (SMS)
It is possible to connect the Hanna Instruments Office
HI504900 GSM module to the RS485 port of the instru-
ment . This connection enables the instrument to send SMSs
to one (or two) cellular phone(s) and through this feature
the device can be monitored at every moment . Moreover
if an error occurs on the HI504, it is possible to have an
SMS sent to the cellular phone(s) advising immediately the
user about the problem .
To use the SMS feature, a SIM card able to make voice
calls must be used.
The SMS feature can be enabled through the setup item P .00
by selecting "CELL" for cellular module connection instead
of "PC" connection .
Before enabling this feature it is necessary to enter the PIN
of the SIM card of the GSM module (setup item P .01) and
one or two phone numbers associated with the service (setup
items P .02 and P .03) to which the messages will be sent .
The phone numbers have to be inserted using the in-
ternational format excluding the starting "+" character
and without any space inside the number . For example
if the cellular number is "+39123456789" (+39 is the
country code), the number to be stored in the HI504 is
"39123456789" .
When the item P .02 (or P .03) is select-
ed, the primary display will show the
first four digits of the correspondent
phone number . A minus sign is added
in the front of the number to indicate
that the first four digits are shown and the first digit will blink
to indicate the possibility to modify the value .
The user can select the desired digit using the or key .
Note
"-" character indicates that the digit is not used (leave dashes
on the right of the number) .
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