# Deactivate device (non-operational mode, save power)

This command Deactivates the device (this is the state it comes in when purchased) in order to save on battery.

{% hint style="info" %}
To activate the device you need to press the OK button 5 times in a sequence.
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The command explanation is in the table below.

<table data-header-hidden><thead><tr><th width="137">Byte index</th><th>Hex value - Meaning</th></tr></thead><tbody><tr><td><strong>Byte index</strong></td><td><strong>Hex value - Meaning</strong></td></tr><tr><td>0</td><td>0B – The command code</td></tr></tbody></table>
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