Using The Gps Feature - Latitude User Manual

USING THE GPS FEATURE

HOW THE GPS WORKS
Your Mobile Alarm has an in-built Swiss
GPS function that monitors the location of
the wearer of the device as well as
Bluetooth.
It uses this GPS function to send out the
location of the wearer as part of the SOS
help, text messages.
The location of the wearer is shown on
Google Maps as part of those messages.
This means the people who received the
message on their mobile phones know
where to send help to.
Accuracy of the GPS: uBlox 8 technology
The GPS location is normally accurate to
2. 7 yards. This rate of accuracy can be
affected by tall buildings and other
obstructions.
To save power the GPS goes to sleep
The GPS function goes to sleep to conserve
power if it does not detect any movement
for around 10 seconds.
What wakes up the GPS?
The GPS wakes up and attempts to connect
to the satellites when it detects some
movement (two shakes or movements) or is
turned on.
Why it can take a while to get a GPS
connection
The GPS can be slow to get a connection if it
has been turned off for a number of hours
or has been inside a building where it has
been unable to see the satellites for a while.
This can also happen due to normal
limitations with GPS: Underground
parking garages, elevators, concrete
buildings, tunnels, and other constructions
can block the signal.
When a GPS location cannot be sourced the
Mobile alarm will attempt to report position
via Bluetooth 5 then via wifi location. If the
device gives its location on Google Maps as
somewhere it is no longer located, this
simply means it did not have a chance to
get a new GPS connection before the SOS
button was pressed or the 'lac' command
was sent to it. Usually, a location will still be
sent. However, it could be a Bluetooth
5 location or a wifi location.
Barriers to getting a GPS fix
The GPS needs to see the sky in order for
the device to work out where it is. Inside
some homes and buildings, it will not be
able to connect to the satellites till it is near
a window. Some structures like basements,
lifts, tunnels, and building interiors with no
close-by windows will mean a GPS fix
cannot be obtained. Sometimes also inside
a car, there can be delays in obtaining a GPS
fix. In general, remember that GPS was
designed for outside use and that when
indoors a GPS fix is not as easy to obtain at
times. We cannot guarantee it will always
know its current location on Google Maps
via GPS. However, Bluetooth and/or wifi
location will be sent instead in these
situations.
Find me function
If you lose your mobile alert you can send it
the find me text command:
123456FINDME
The device will say "I am over here".
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