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GPS RECEIVER TEST
If you have a GPS module connected to the GlobalMap 2000, a test can
be performed on the receiver inside the module. This tests many param-
eters of the receiver, letting you know if there is a malfunction. If the GPS
module fails any of the tests on the shown on the screen, then contact the
Lowrance Factory Customer Service Department.
To activate the receiver test,
first press the MENU key, then
press the key next to the “GPS/
DGPS Setup” label. Now press
the key next to the “Test GPS
Receiver” label. The screen
shown at right appears. “Test-
ing” appears in the box at the
top of the screen while the test
is in progress. This will take
several seconds. When the test
is over, “PASSED” appears at
the top of the screen if the mod-
ule passed the test and “FAILED” if there’s a problem. The boxes on the
screen show the results of each test. These results are coded and will show
either “FFFF” or “0000”. The version of the software used in the GPS
module appears at the bottom of the screen.
To exit this screen, press the CLR key.
DGPS SETUP
Some areas have installed or are planning to install differential transmitters
that send correction data to a special receiver. The U.S. Coast Guard has
installed many differential transmitters along coastal waters, navigable
rivers, and the Great Lakes. When a DGPS receiver is connected to the
GlobalMap 2000 along with a Lowrance GPS module, highly accurate
positions can be plotted. If you have a differential (DGPS) beacon receiver
connected, you’ll need to make some settings on the GlobalMap 2000. To
do this, first press the MENU key, then press the key next to the “GPS/
DGPS Setup” menu. Now press the key next to the “DGPS Setup” label.
The screen shown at the top of the next page appears. Turn the DGPS
input on by pressing the key next to the “DGPS” label. Next, select the type
of DGPS receiver that’s connected to the mapping unit by pressing the key
next to the “DGPS Type: label. A list of DGPS receivers appears. Select
your receiver by pressing the key adjacent to it’s label. See your DGPS
receiver’s owner’s manual if your receiver isn’t listed. You may be able to
use one of the receivers on the list or use RTCM104.
