14. Maintenance, Troubleshooting
14-5
14.5 GPS Status Display
The GPS status display shows the signal strength and location in the sky for each
GPS satellite received.
1. Open the [System-General] menu.
2. Click the [GPS Status] button to show the GPS status display.
3. Push the RotoKey to close the display and return to the previous display.
• The date and time appear at the top-left corner of the display.
• DOP (Dilution of Precision) describes the geometric strength of satellite configura-
tion on GPS accuracy. When visible satellites are close together in the sky, the ge-
ometry is weak and the DOP value is high, When the satellites are far away from
one another, the geometry is strong and the DOP value is low.
• ALT is the height of your GPS antenna above the surface of the water.
• The diagram at the left part of the screen shows the information shown below.
• Estimated position of each GPS satellite,
• Satellites used to find position with a blue octagon.
• Satellites not used to find position are marked with a gray circle.
• The strength of the RX signal from each satellite is shown with a bar at the right
side of the display. If the signal level of a satellite is 40 or higher, that satellite is
used to find your position.
DOP 1
ALT +3.20 m
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