Specifications

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11.Step-by-Step Procedure
for Establishing a
GPRS Connection Via Bluetooth
Introduction
You will use a cell phone associated with ProMark3 RTK to op-
erate in NTRIP or Direct IP mode via a GPRS connection. The
cell phone should be a Bluetooth-enabled device fitted with a
“full IP” SIM card
1
that allows a GPRS connection to be es-
tablished with the provider.
When first implementing a GPRS connection, you will have to
go through a relatively long procedure. But if you strictly fol-
low this procedure, re-establishing this connection next time
you use your ProMark3 RTK will only take a few seconds.
Entering the right GPRS call number is essential to establish
a GPRS connection. Three cases are possible:
GPRS connection profile known
GPRS connection profile unknown
Special cases wherein a modem command is needed.
In all cases, you may have to get in touch with your provider
in order to settle the connection issue.
Connection Profile Known
The GPRS connection profile you want to use is already stored
in your cell phone. Your GPRS provider put it there. In this
case, you will just have to refer to this profile when setting the
GPRS connection. Referring to this profile will be made by
simply using the adequate GPRS call number. This number is
in the form:
*99***<Profile_No.>#
Where <Profile_No.> is the rank of the desired profile in the
list of available GPRS connection profiles. To list the connec-
tion profiles stored in your cell phone, refer to its instructions
manual.
1. A SIM card that can access all TCP ports.