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Is
my GPS supported for real-time tracking? |
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Visual Navigation Suite and
Admiral support real-time tracking for any GPS that
outputs NMEA 0183 ver. 2.0 or higher |
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Is my
GPS supported for upload/download? |
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Please see http://www.nobeltec.com/support/GPSSupport.asp
for a list of GPS models that are supported for
upload/download. |
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Why does it say “No GPS” when I have my GPS connected? |
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This could be a result of
several things: Make sure that your GPS is setup to
output NMEA 0183 1.5 or higher at 4800 baud.
Verify also that you have selected the INPUT PORT in
Visual Series under TOOLS | OPTIONS | PORTS CONFIGURE.
If you are unsure of what port your GPS is connected to,
you should use the PORT TEST (START | PROGRAMS |
NOBELTEC | PORT TEST).
Finally, make sure that the wiring is correct, and
that your GPS has a valid satellite fix (or is in
simulator mode). |
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What’s the difference between real-time tracking and
upload/download? |
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Real-Time tracking lets you
view your vessel’s position real time. As our software
receives data from your GPS, it will update your boat’s
position on the chart. Upload/download is the process
of sending/receiving routes, waypoints and tracks
between our software and your GPS. Upload/download is
not supported for all GPS’s (see manual for supported
models). |
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Why does my boat always point towards true north? |
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If the heading of the boat
is always 0 degrees, your GPS may not be outputting
heading or course over ground information. Refer to the
GPS documentation to verify that your GPS is outputting
the latest version of NMEA, and that heading (HDG, HDT,
HDM) and/or course over ground (COG) is being sent by
your GPS. |
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Why does my ETA always say N/A when I have an active
route? |
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Our software is not
receiving any speed over ground from your GPS. Refer to
the GPS documentation to verify that your GPS is
outputting the latest version of NMEA, and that speed
over ground (SOG) is being sent by your GPS. |
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I’ve hooked up my Autopilot and verified that it is
receiving NMEA data. What data should I be sending to
it? |
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Different Autopilots want to
hear different NMEA strings, but we can give you a
suggestion that is very basic and works with most
autopilots. Choose TOOLS | OPTIONS | PORTS CONFIGURE |
CONFIGURE AUTOPILOT. Choose to send TRUE bearings along
with the NMEA sentence APB. If you are only using our
software to drive your Autopilot, also make sure that
you are not using any repeater ports (TOOLS | OPTIONS |
PORTS CONFIGURE) |
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What pins of the 9-pin or 25-pin serial port do I need
to use when connecting my devices? |
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The pin out of the needed
connections is as follows: 9 PIN SERIAL:
PIN 2: Receive Data
PIN 3: Transmit Data
PIN 5: Signal Ground
25 PIN SERIAL:
PIN 2: Transmit Data
PIN 3: Receive Data
PIN 7: Signal Ground |
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Where can I find information on how to decipher NMEA? |
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Please consult the following
web page: http://www.nmea.org/pub/0183/index.html. |
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A message keeps popping up that says “Invalid Checksum
…”, can I disable this message somehow? |
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A checksum warning will
appear when Visual Series computes a different amount of
characters in a NMEA sentence then the GPS says it sent.
Erratic grounding between the GPS and the PC usually
causes this. To disable checksum warning messages,
choose TOOLS | OPTIONS | PORTS CONFIGURE and uncheck
“Report Checksum Discrepancies”. |
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