bottom of the unit and insert the other connector as shown in the following
image. A small clip on the connector should hold the connector in place.
Attach external power cable to Atlas.
WARNING:
Do not remove the cigarette lighter adapter and splice the ex-
posed wires directly to a 12-volt power system. The cigarette
lighter adapter contains in the plug a protective 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 Atlas can use two 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 connections.
NMEA Cable Connections
NMEA is a standard communications format for marine electronic equipment.
For example, an autopilot can connect to the NMEA interface on this unit and
receive positioning information. The unit can exchange information with any
device that transmits or receives NMEA 0183 data.
To exchange NMEA data, Brunton offers an optional data only cable and a
power/data combo cable:
The AMNS-DC is a NMEA/serial communications cable. It has a standard
female DB-9 connector on one end to attach your unit to a computer's se-
rial communications port.
11
The AMNS-PCDC combines a cigarette lighter power adapter with a DB-9
plug for a NMEA/serial com port connection to a laptop computer or other
device. This is our favorite cable for connecting the Atlas MNS to a laptop
computer in an RV or other vehicle. By transmitting NMEA data to the
computer, you can get live position data for GPS-compatible mapping soft-