Vaisala Hydromet Data Collection Platform - Manual (Page 145)

Chapter 4 ________________________________________________ Configuring Telemetry Options
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d. To disable the PIN code validation, use the following
command:
AT+CLCK="SC",0,0000
where 0000 is the current PIN code. Modem responds with
OK
.
e. To change the existing PIN code, use the following command:
AT+CPWD="SC",0000,1234
where 0000 is the old PIN code, and 1234 is the new PIN code.
Quote SMS Numbers
Some modems, for example, the old Siemens M20T, require SMS
destination numbers to be enclosed in quotation marks in the
transmission command. When this option is checked, the modem
control sends the number inside the quotation marks.
Extra Op. Info to COM0
Normally the only way to monitor modem operation is to browse the
generated warnings. By checking this option, more detailed information
is sent to the fixed serial port COM0.
Station Name As Path Extension
This option is available only for GPRS modems when the FTP transfer
is selected. When the option is selected, the modem control saves
reports as files in a subdirectory named according to the parameter
sname (station name).
Check Connect in Datamode
By default when the line is open, for example, when the modem is in the
data mode, the modem control does not test responses. When this option
is selected, the modem responses are tested even in the data mode. For
example, the modem control detects if the connection is closed due to
an error detected by the modem.