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Cigarette Lighter Power Adapter
To use external DC power: Plug the CA-5 power cable's cigarette lighter
adapter into a cigarette lighter receptacle. Next, slide the other connec-
tor over the power contacts on the bottom of the iFINDER case.
Attach CA-5 external power cable to iFINDER.
WARNING:
Do not remove the cigarette lighter adapter and splice
the exposed wires directly to a 12-volt power system. The
cigarette lighter adapter contains in the plug a protec-
tive fuse and a voltage regulator to convert 12 volts
down to about 3 volts. Without this regulator, connecting
your unit to a 12-volt power source will destroy the unit.
This damage will not be covered by your warranty.
The iFINDER can use three other optional external cables to supply a
NMEA/serial data connection or a combination of power and data.
These cables are discussed in the following segment on NMEA/ DGPS.
NMEA/DGPS Cable Connections
NMEA is a standard communications format for marine electronic
equipment. For example, an autopilot can connect to the NMEA inter-
face on this unit and receive positioning information. The unit can ex-
change information with any device that transmits or receives NMEA
0183 data.
DGPS is an acronym for the Differential Global Positioning System.
DGPS supplements and boosts the accuracy of basic GPS. DGPS was
developed by the U.S. Coast Guard, which is responsible for the sys-
tem's operation in the United States. Since its creation, DGPS has be-
come the international maritime standard for marine navigation.
The most popular DGPS system relies on a grid of ground-based trans-
mitters that send correction signals to DGPS receivers. These in turn,