Assisted Gps; A-Gps Expiry Date; Back To Start - Polar Electro VANTAGE M2 User Manual

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GPS + Galileo

Galileo is a global navigation satellite system created by the European Union. It is still under

development and is estimated to be ready by the end of 2021.

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.

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 > General 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.

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.

The back to start feature guides you back to the starting point of your session.

To use the back to start feature for one session:

1. In pre-training mode, press the LIGHT button to enter the quick menu.

2. Choose Back to start from the list, and choose on.

You can also set back to start on during a training session by pausing your session and opening the quick menu with the

LIGHT button and by scrolling to Back to start, and choosing on.

If you add the back to start training view to a sport profile in Polar Flow, it is always set on for that sport profile and it

does not need to be switched on every session.

To return to your starting point:

Keep your watch in a horizontal position in front of you.

Keep moving in order for your watch to determine which direction you are going. An arrow will point in the

direction of your starting point.

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