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GPS + QZSS
QZSS is a four-satellite regional time transfer system and a satellite-based augmentation system
developed to enhance GPS in the Asia-Oceania regions, with a focus on Japan.
ASSISTED GPS
The watch uses Assisted GPS (A-GPS) to acquire a fast satellite fix. The A-GPS data tells your watch the predicted
positions of the GPS satellites. This way the watch knows where to search for the satellites and thus makes defining your
initial location faster.
The A-GPS data updates once a day. The latest A-GPS data file is automatically updated to your watch each time you sync
it with the Flow web service via FlowSync software or via the Flow app.
A-GPS expiry date
The A-GPS data file is valid for up to 14 days. Positioning accuracy is relatively high during the first three days, and
progressively decreases during the remaining days. Regular updates help to ensure a high level of positioning accuracy.
You can check the expiry date for the current A-GPS data file from your watch. Go to
your watch
>
Assisted GPS
software or with the Flow app to update A-GPS data.
Once the A-GPS data file has expired, more time may be required for acquiring your current position.
For best GPS performance, wear the watch on your wrist with the display facing up. Due to the location of the
GPS antenna on the watch, it is not recommended to wear it with the display on the underside of your wrist.
When wearing it on the handlebars of a bike, make sure the display is facing up.
ROUTE GUIDANCE
The route guidance feature guides you along routes that you have recorded in previous sessions or routes that you've
imported into Flow from a third-party service like
Flow in GPX or TCX file format.
You can choose to go to the route start point, route end point or nearest point on the route (mid-route). First your watch will
guide you to your chosen start point on the route. Once on the route, your watch will guide you all the way through and keep
you on track. Just follow the guidance on the display. At the bottom of the display you'll see how much distance you still
have left.
ROUTE AND ELEVATION PROFILES
After choosing a route you'll see an overview of the route, and the elevation profile of it. This helps you identify which route
is which, and what to expect from your session.
expires. If the data file has expired, sync your watch with the Flow web service via FlowSync
komoot
or
Strava
for example. You can also import route files directly into
91
Settings
>
General settings
>
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