Troubleshooting - FALCOM NAVI-S User Manual

NAVI-S

7 Troubleshooting

Problem
No connection to
the NAVI-S
Test fail
Open com port fail
There is nothing
shown on the
tracking diagram.
No position
Output but timer is
counting.
The NAVI-S is
running for longer
than 5 minutes
without receiving
valid positions
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Reason
Connection fail
Poor connection
All the serial COM port
have been used for other
application program
1) NAVI-S can not
receive the GPS signal
in the testing area.
2) The settings are not
correct.
1) Weak or no GPS
signal at all can be
received.
2) Maybe the GPS
signals are blocked by
buildings.
Maybe NAVI-S receives
not enough data for sure
tracking.
Solution
Check if the NAVI-S is connected to a
+5 V DC power supply properly.
Check the other pins, and make sure
they are connected properly.
Check the connector to make sure it is
well connected. If you still get the
testing fail message, contact your local
vendor.
Close all the other application
programs and rerun the
program.
1) Maybe the NAVI-S has not a
enough sight to the sky. Change
the place of NAVI-S to somewhere
with a good view.
2) The settings are as below:
38400 bps,
8 bit data,
1 stop bit
no parity.
Place the NAVI-S outdoor away from
obstacles (for instance, high buildings)
Utilize the program
SiRFdemo3.36.exe
reset the NAVI-S. Please download
the from FALCOM's
SiRFdemo.pdf
Website and read SiRFdemo
guide.
VERSION 1.04
SiRFdemo3.36.exe
to
user
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