> 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="https://1682392588-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fec19HL6smnKwxrtRLrnK%2Fuploads%2FXjGfNusKVvoLEBLsjHNb%2Fimage.png?alt=media&amp;token=9bb95796-2ce6-4c02-9894-ecdf3041b37d" 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="https://1682392588-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fec19HL6smnKwxrtRLrnK%2Fuploads%2Fh5bbZpxbVKRMObrbiweL%2Fimage.png?alt=media&amp;token=231f086a-167e-4e82-9700-8369e0271a3e" alt=""><figcaption></figcaption></figure>

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

<figure><img src="https://1682392588-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fec19HL6smnKwxrtRLrnK%2Fuploads%2FugdHF4CkkRE9c0Q3OQtS%2Fimage.png?alt=media&amp;token=01305a9f-a865-4188-98a3-f2311bf14ed3" alt=""><figcaption></figcaption></figure>

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

<figure><img src="https://1682392588-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fec19HL6smnKwxrtRLrnK%2Fuploads%2FmuprkcRgn54dZJZywkCX%2Fimage.png?alt=media&amp;token=11020b0a-f96a-4b13-b140-e8bbd58c9c51" alt=""><figcaption></figcaption></figure>

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

<figure><img src="https://1682392588-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fec19HL6smnKwxrtRLrnK%2Fuploads%2FFw49QoKdBZV3Ti4yst3R%2Fimage.png?alt=media&amp;token=2b4f01f7-c509-4614-beb8-598899add666" 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="https://1682392588-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fec19HL6smnKwxrtRLrnK%2Fuploads%2FgEofIdttgevRTqr5dJc8%2Fimage.png?alt=media&amp;token=86041f95-ec9c-407e-a428-c38e24a444ed" alt=""><figcaption></figcaption></figure>

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

<figure><img src="https://1682392588-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fec19HL6smnKwxrtRLrnK%2Fuploads%2F9gr5R5Q5TQ1NqivHFTEv%2Fimage.png?alt=media&amp;token=4b410db6-5451-408b-92ba-58d58b9e8da8" alt=""><figcaption></figcaption></figure>