Leica GPS1200+, Technical Reference Manual

Page: 575 / 1442

Configuration of Devices 575
23.1.2 Digital Cellular Phones
Description Digital cellular phones comprise of the technologies CDMA and GSM with its subgroup
GPRS.
Typical uses
Example use
Requirements for using
digital cellular phones
• To transmit real-time data. • To download raw observations from a remote location.
• To receive real-time data. • To steer a receiver.
Step Description
1. Reference and rover must both be equipped with a digital cellular phone.
2. Ensure that the digital cellular phone at the reference is on.
3. The rover digital cellular phone contacts the selected reference of which the phone
number was pre-defined. Refer to "23.3 Creating a New Device".
4. One rover can dial in to the reference digital cellular phone at a time.
5. As soon as the reference digital cellular phone is contacted, real-time data is sent
to the rover digital cellular phone that has called.
)
Several digital cellular phone numbers can be pre-defined on the rover. Dialing a
different number dials that particular reference station.
Always required: • AT command language must be supported by the digital cellular
phone. Refer to "23.3 Creating a New Device".
• Working area must be covered by a digital cellular phone
network.
• The network operator must support data transmission.