> For the complete documentation index, see [llms.txt](https://manuals.syride.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://manuals.syride.com/alti-v3-english-manual/iv.-configure-your-device.md).

# IV.   Configure your device

1. Push the central button to start your instrument.

<figure><img src="/files/Mme6yezQxd9TfOuNkfQl" alt=""><figcaption></figcaption></figure>

2. Go to screen #5 with left and right buttons and confirm by clicking on central button. The number of the screen is displayed on the top right of it.

<figure><img src="/files/PrUB4wdhOk0f6InoZoYD" alt=""><figcaption></figcaption></figure>

3. The first screen shows some informations about your instrument.

<figure><img src="/files/nM7y3XwybHSQtGWTuQHe" alt=""><figcaption></figcaption></figure>

4. Next screen ables you to setup the sound volume.

<figure><img src="/files/upYhjOCdR5yqRJlegzqN" alt=""><figcaption></figcaption></figure>

5. The 2 next screens ables you to setup rising and falling threshold of the vario.

<figure><img src="/files/6r8MWsk6oKYGUvrsCQ1r" alt=""><figcaption></figcaption></figure>

6. You can turn ON or OFF the backlight of your instrument on the next screen.                            **Warning : backlight reduces the instrument’s autonomy**.&#x20;

<figure><img src="/files/7lhcIlHqknQuCgb4oPUa" alt=""><figcaption></figcaption></figure>

7. Last screen is to go back to main screen (#1).

<figure><img src="/files/FCGw0S1cfxljp3DbpWDO" alt=""><figcaption></figcaption></figure>