30
☛
If any of these conditions persist for more than 1 1/2 minutes, the satellite signals are
being blocked by an object such as a tree or a building. Change your location and try
again.
Message
Cause
Remedy
Unknown.
There is an undetermined
problem with the GPS card.
Insert a different GPS card, re-
insert the card or try again later.
PDOP too high.
The GPS measure of error
(PDOP) is too high.
Insert a different GPS card, re-
insert the card or try again later.
No GPS Time.
The GPS is not receiving any
signal from any satellite.
Try again later.
No satellites.
There is not a viable signal from
any satellite.
Try again later.
1, 2, or 3 satellites.
The GPS requires a constellation
of 4 satellites. The satellite
constellation is not complete.
Try again later.