Some digital cellular phones are predefined.
Other digital cellular phones can be used. Their settings must be defined by
creating a new digital cellular phone configuration. Refer to "20.3 Creating/
Editing a Device". These digital cellular phones must be connected with a cable
or Bluetooth. Refer to "D Cables" for information on cables. Please contact the
local selling unit or dealer for further information.
•
Unlimited range of the data channel between base and rover.
•
Free of jamming from other users.
•
Cheaper in price in the initial costs of buying.
Fees are charged for the time that the digital cellular phone network is being
used.
Base and rover can both be equipped with a digital cellular phone and a radio.
On the base, they operate simultaneously. On the rover, use the radio when
within radio range of the base and the digital cellular phone when radio recep-
tion is not possible.
The internal devices of the GS14/GS16 cannot be used simultaneously.
20.1.3
Modems
•
To transmit NMEA messages.
•
To transmit real-time data.
Example of use
1.
The base is equipped with a modem.
2.
The rover is equipped with a digital cellular phone.
3.
Ensure that the modem is switched on.
4.
The rover digital cellular phone contacts the selected base of which
the phone number was pre-defined. Refer to "20.3 Creating/Editing
5.
One rover can dial in to the base modem at a time.
6.
As soon as the base modem is contacted, it sends its data to the
rover digital cellular phone that has called.
☞
Several modem numbers can be pre-defined on the rover. Dialling a
different number changes the base station.
AT command language must be supported by the modem.
Some modems are predefined. Modems must be connected with a cable.
Other modems can be used. Their settings must be defined by creating a new
modem configuration. Refer to "20.3 Creating/Editing a Device".
20.1.4
Radios for Real-Time
•
To transmit real-time data.
•
To receive real-time data.
Supported digital cel-
lular phones
Advantages
Disadvantages
☞
Typical uses
Requirements for
using modem
Supported modems
Typical uses
238
Configuration of Devices
