T504 low-power sleep function.
<p><strong>1.Download firmware to upgrade</strong>
Download：<a href="https://we.tl/t-13VVNt87KQ">https://we.tl/t-13VVNt87KQ</a>
Follow this guide to upgrade：<a href="https://www.showdoc.com.cn/tenet?page_id=5868133997670314">https://www.showdoc.com.cn/tenet?page_id=5868133997670314</a></p>
<p><strong>2.Set up the device</strong>
<img src="https://www.showdoc.com.cn/server/api/attachment/visitfile/sign/2f512777c04b8608c6522456bfd8441d" alt="" />
(1) Set Power Mode to ACC to trigger sleep mode.</p>
<p><img src="https://www.showdoc.com.cn/server/api/attachment/visitfile/sign/b93dcf02458d76187e0f0a8eddc8f665" alt="" />
<img src="https://www.showdoc.com.cn/server/api/attachment/visitfile/sign/b05866fc5881fa043bbedba49ab7de16" alt="" /></p>
<p>(2) Set the alarm input to wake up the device.</p>
<p><img src="https://www.showdoc.com.cn/server/api/attachment/visitfile/sign/234a792effb4ccbb35db46eebda0dfa5" alt="" />
<img src="https://www.showdoc.com.cn/server/api/attachment/visitfile/sign/db1af0b2c566e36b796fa26a2b9a51da" alt="" /></p>
<p>test
(1) After disconnecting ACC, the device will automatically enter sleep mode.
<img src="https://www.showdoc.com.cn/server/api/attachment/visitfile/sign/b970db90d1bbec72fa0853880f58d27b" alt="" />
(2) When the device enters sleep mode, it can wake up the device by triggering ADCIN1.</p>