FM-4850 Operator’s Manual
Step 5 Fasten the three tapping screws.
Step 6 Fasten the cover on the extension cable and tighten it.
15.3.9 GPS Antenna
Install the antenna unit referring to the antenna installation diagram at the back of
this manual. When choosing a mounting location for the antenna unit, keep in mind
the following points:
Select a location out of the radar beam. The radar beam will obstruct or prevent
reception of the GPS signal.
The location should be well away from a VHF/UHF antenna. A GPS receiver is
interfered by a harmonic wave of a VHF/UHF antenna.
There should be no interfering object within the line-of-sight to the satellites. An
object within line-of-sight to satellites, for example, a mast, may block reception
or prolong acquisition time.
Mount the antenna unit as high as possible to keep it free from interfering
objects and water spray. Freezing water can interrupt reception of the GPS
satellite signal.
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