# XVI.     Parameters

Here is a list of parameters preprogrammed in your instrument in order to improve its use and autonomy:

* Flights <mark style="color:red;">**less than a minute**</mark> will be automatically deleted by the SYS PC Tool.
* When flying, your instrument will automatically stop recording the flight if **neither a ground speed or a vario** is detected.
* Your instrument will automatically turn OFF if a <mark style="color:red;">**20 minutes**</mark> inactivity is detected, unless you’re flying.
* **The NAV v3** is able to record <mark style="color:red;">**1500h of flights**</mark>.
* **The NAV v3** is able to record <mark style="color:red;">**25 000 waypoints**</mark>.
* **G-Meter** alarm is set to <mark style="color:red;">**2,5 g**</mark> by default.
* Time and date setup is thanks to the GPS (to get the GMT) and your computer (to apply the timezone).


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