Текст страницы
Positioning satellites
Your watch has built-in GPS (GNSS) that provides speed, pace, distance and altitude measurement for a range of outdoor
sports, and allows you to see your route on map in the Flow app and web service after your session. The watch uses GPS,
GLONASS, Galileo, BeiDou and QZSS systems simultaneously for maximum accuracy around the globe. By default, the
watch also utilizes dual-frequency GPS for improved positioning accuracy especially in difficult use conditions.
Alternatively, you can use a power-saving single-frequency GPS mode on your watch. Single-frequency GPS mode does
not give as accurate results in difficult use conditions, but it will improve the battery lifetime during exercise. The setting is
located in General settings > Positioning satellites. Choose Better accuracy (dual-frequency GPS) or Power save (single-
frequency GPS).
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, Glonass, Galileo, BeiDou and QZSS satellites. This way the watch knows where to search for the
satellites and thus makes defining your initial location faster and improves the accuracy of the positioning data.
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 Settings > About your watch >
Assisted GPS expires. If the data file has expired, sync your watch with the Flow web service via FlowSync 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 and the positioning
data accuracy may decrease.
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.
Offline maps
You can download offline maps from the Polar Flow web service and transfer them to your watch using a computer. The
maps available in the Flow web service include detailed maps of countries and regions, as well as basic maps of continents
and large areas. Basic maps of North America and Europe are pre-installed on your watch. Outside of training, you can
access offline maps via the navigation view, and during training they are available as a full-screen map navigation training
view.
l Using maps during training
l Using maps outside of training
l Points of interest (POI)
l Download and transfer maps to the watch
122