> 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/gps-v3-english-manual/iv.-configure-your-device.md).

# IV.	Configure your device

1. Push the central button to start your instrument. 

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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.&#x20;

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3. The first screen shows some informations about your instrument.&#x20;

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4. Next screen ables you to setup the sound volume.&#x20;

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5. The 2 next screens ables you to setup rising and falling threshold of the vario.&#x20;

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

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7. Last screen is to go back to main screen (#1).&#x20;

<figure><img src="https://433690138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5NFRDE5NfucMRpUsox8r%2Fuploads%2Fq6feOKbfn1SCL18PsGdI%2Fimage.png?alt=media&amp;token=50f19793-8230-492a-a7fe-d5c082b2aa39" alt=""><figcaption></figcaption></figure>