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Appendicies
Can I use the eTrex Summit indoors?
No. The DEMO mode is available, but we suggest that
only dealers use it.
Do I need to subscribe to a service to use the
eTrex Summit?
No. The GPS satellites are owned by the United States
Department of Defense (DoD) and have been funded by
U.S. taxpayers’ dollars. Reception of GPS satellite signals
is free to everyone.
Does the eTrex Summit work anywhere in the world and
in any weather?
Yes.
How accurate is a GARMIN GPS?
The eTrex Summit is accurate to within 100 meters under
the DoD-imposed Selective Availability (S/A). Without
S/A, the eTrex Summit is accurate to within 15 meters.
Using differential techniques, the eTrex Summit can be
as accurate as 1-5 meters.
Why can’t I see the display in the daylight?
Adjust the contrast (see page 9).
Why can’t I interface my computer with the eTrex Summit?
Make sure that you have the correct INPUT/OUTPUT
format selected on your eTrex Summit.
What Grid Formats does the eTrex Summit Support?
Appendices
Appendix H
FAQ’s
Qatar Grid
Swedish Grid
Swiss Grid
Taiwan Grid
UTM/UPS Grid
W Mayalan R
User Grid
hddd.ddddd
o
(degrees, decimal degrees)
hddd
o
mm.mm
hddd
o
mm’ss.s
British Grid
Dutch Grid
Finnish KKJ27 Grid
German Grid
Irish Grid
Maidenhead
MGRS (Military Grid Reference System)
New Zealand
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