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Chapter 9 Maintenance and Troubleshooting
KGP-922
9-2
0093130022-00
Symptom
Possible cause of trouble
Measure
Unstable signal reception
1. Are the connections between the
GPS antenna and the display unit
is correct and firm?
2. Is there any obstacle preventing
the GPS unit from receiving the
GPS signal?
1. Check the connection and
reconnect, if necessary.
2. If an obstacle exists viewed
from the GPS antenna site,
the GPS signal cannot be
received properly. Remove
the obstacle or, if this is not
possible, change the antenna
position for better viewing
range available.
Differential GPS (DGPS)
Positioning fails
1. Are the baud rate you have set
and the output signal baudrate of
DGPS beacon receiver match?
2. Are the elevation angle set
greater than 10 degrees?
1. Match the baud rate.
2. Set the elevation angle
greater than 10 degrees.
Data cannot be
Transmitted to external
equipment.
1. Is the connection between the
display unit and interface
cable firmly connected?
2. Are the output data format and
input data format of external
equipment match?
1. Reconnect the cable firmly
to the display unit.
2. Match the data format.
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