# How to Use Checklist Voice Control

### 1. Enable Voice Control

Go to the SimFly Pad settings page and select Voice Interaction (BETA). Once entered, turn on “Enable Audio Interaction”. Then, in the permission prompt that appears, allow the necessary permissions.

### 2. Use Voice Control

Return to the checklist page, and you will see a new voice icon at the top right corner of the page. Click it to activate voice checklist control. At this point, SimFly Pad will automatically play the current checklist content, and you can use simple “confirmation words” to advance the checklist to the next item.

### Optional: Improve Voice Recognition Accuracy

You can enable the Online Recognize option in the Voice Interaction (BETA) settings page. If enabled, the voice recognition function will use Apple servers to improve recognition efficiency. 

{% hint style="info" %}
The voice recognition feature uses voice SDK from Apple, and all voice data is only transmitted between your device and Apple’s servers.
{% endhint %}

### Optional: Customize Voice Recognition Keywords

You can add custom voice keywords in the Voice Interaction (BETA) settings page. Once a recognized keyword is spoken, the corresponding checklist item will be automatically checked.


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