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UPPORTED IN FIRMWARE 0.1.28 OR LATER
The Top Button (orange) can be set to initiate an emergency call. The receiving radio will alert and give the option to accept and join the emergency group, or to reject the emergency call.
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Emergency operation with the DN can now be enabled for send but not receive. This requires firmware version 0.2.12 or later. Please refer to the following page for more details. https://faq.entel.co.uk/2020/11/13/dn-emergency-send-without-receive/ DN: Emergency Send without Receive
RELATED ARTICLE:
https://faq.entel.co.uk/2020/11/20/dn-self-test-including-man-down-sensor/ DN: Self Test (including Man Down Sensor)