I'd suggest you create a single POI using e.g. Realtime / Map View. Assign it to a new group named "My bouys". Select the row showing "1 POI..." from Waypoints and export / certify it. Send the mail generated to yourself (not us). Open the file with extension ".hpoil". It is a human readable XML ...

Please make sure the GoPro video you try to overlay uses a standard encoding and format. HEROs come with so many bells and whistles, it is easy to select something your iPhone can display, but will fail to generate a new video based on the non-standard input. For existing GoPro video, you may want ...

Here is the FAQ you are looking for: viewtopic.php?t=3341

No, you can connect the adapters listed on http://www.gps-laptimer.de/compatibility/ios or http://www.gps-laptimer.de/compatibility/android only. It might be possible to connect an adapter not listed using LapTimer‘s Custom OBD Adapter feature in Expert Settings, but that‘s not recommended.

In case ...

Exactly, I tend to be complicated.

No problem, but it emphasizes how important a proper mounting position is. Both Android and iOS provide positions based on triangulation *or* GPS. The former isn‘t usable for track use - which is the reason LapTimer shows „no position“ here. In buildings, you will frequently think you have a proper ...

kml files (kmz is short for kml.gz) are export only. They can't be used to restore former database content - at least not without heavy scripting and calculations.

Things to check:

Permissions : start the Settings app and make sure you have granted all permissions to LapTimer.
Free view to the sky : run your tests outside, not in a building / house.
Compatibility : LapTimer can use direct access to your device's GPS NMEA stream, or use the Android location ...

Please send a request to Tracks@gps-laptimer.de Please add any information on this new configuration you have available.

LapTimer exports a lap, all laps of a track, a day, a session, or everything. Exports are always one file. In case you need an export for alle sessions of a track, you need to export all laps of this track and split the result afterwards. This will require some scripting to make it do-able.