https://devzone.nordicsemi.com/f/nordic-q-a/2194/about-acknowledge-modeHi, I change the example ant_broadcast to acknowledge mode, but it seems that without a peripheral side,the LED0 will still twinkle.I don&#39;t know how to change the project so that only with a receiver will the sender send a successful date.en-USTelligent Community 13Mon, 14 Apr 2014 01:38:54 GMThttps://devzone.nordicsemi.com/thread/9292?ContentTypeID=1Mon, 14 Apr 2014 01:38:54 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1639778e-ff2f-4ec8-b974-ba912f16c5c8mahone<p>Thank you for your reply,I think that is the answer.But still,I have some doubt,when the chip send the message &quot;time out&quot;,how to reconfigure the channel parameters to set up a new channel?or must it be reset?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/9291?ContentTypeID=1Fri, 11 Apr 2014 13:36:21 GMT137ad170-7792-4731-bb38-c0d22fbe4515:96b28708-813b-43f9-81a4-b37f6e23ba4aAsbj&#248;rn<p>With the EVENT_TRANSFER_TX_COMPLETED included the board is behaving as expected or do you still see LED blinking without getting the ACK?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/9290?ContentTypeID=1Fri, 11 Apr 2014 06:45:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e3c0b7d6-3c62-46fa-b112-bc8d23483754mahone<p>I add one more situation under the event,that is EVENT_TRANSFER_TX_COMPLETED.And it seems to fit me request,is is right?</p><div style="clear:both;"></div>