Leadtek 9815 RDS/TMC Kurzanleitung Seite 18

6. The system will show the receiver's
status data, including position, speed,
height and numbers of satellites.
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7. Click "View" then select "Signal Level",
and you will see the satellites and CN
datum list. For the regular positioning the
satellite will appear green. Meanwhile, the
device's LED light will appear green and
flash.