West Marine VHF 480 Owner's Manual page 21

the radio is in. For example, if you turn on your radio and it is connected to a GPS unit but
the GPS is not sending valid data, the radio displays Check GPS. At the 30 minute mark with
no GPS data input from the GPS unit, the radio display changes to Input Position.
Timeframe
From power on to
30 minutes
At 30-minute mark
after power on
#
note: if the
radio receives
gps data by the
30-minute mark,
the next level of
displays apply
The radio receives correct GPS data either through manual input or GPS.
Up to 4 hours after
receiving valid
GPS data
At 4 hour mark
after receiving
valid GPS data
Over 23.5 hours
after receiving
valid GPS data
* If the radio displays an error condition, the radio cannot receive valid GPS data; check
the GPS
#
nOte: be certain any manually-entered position is correct. if you enter the wrong position
and then make a DsC distress call, you will be telling the arrows to adjust each of the values
in turn.
Press and hold -
Is GPS
Connected?
Yes
GPS OK
Yes Check GPS
No None
Yes GPS OK
Yes Input Position
No Input Position
Yes Check GPS
No None
Yes
Input Position
None Input Position
Yes Input Position
None Input Position
Use the up and down arrows
Setup
to adjust each of the values
GPS Setup
Display Alert
None
None
None
None
Yes
Yes
None
None
Yes
None
None
None
in turn.
139
Position Set
Condition (Notes)
Normal
Error *
Normal
Normal
Error * (continuous
display)
Normal (continuous
display)
Error
Normal
Error * (continuous
display)
Normal (continuous
display)
Error * (Lost GPS data;
continuous display)
Normal (Lost GPS data;
continuous display)
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35 40.610 N
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46. 564 E
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