{"action":"opened","issue":{"url":"https://api.github.com/repos/opentx/opentx/issues/2717","labels_url":"https://api.github.com/repos/opentx/opentx/issues/2717/labels{/name}","comments_url":"https://api.github.com/repos/opentx/opentx/issues/2717/comments","events_url":"https://api.github.com/repos/opentx/opentx/issues/2717/events","html_url":"https://github.com/opentx/opentx/issues/2717","id":101240107,"number":2717,"title":"Trigger to know there is a valid link","user":{"login":"fraternl","id":8692856,"avatar_url":"https://avatars.githubusercontent.com/u/8692856?v=3","gravatar_id":"","url":"https://api.github.com/users/fraternl","html_url":"https://github.com/fraternl","followers_url":"https://api.github.com/users/fraternl/followers","following_url":"https://api.github.com/users/fraternl/following{/other_user}","gists_url":"https://api.github.com/users/fraternl/gists{/gist_id}","starred_url":"https://api.github.com/users/fraternl/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/fraternl/subscriptions","organizations_url":"https://api.github.com/users/fraternl/orgs","repos_url":"https://api.github.com/users/fraternl/repos","events_url":"https://api.github.com/users/fraternl/events{/privacy}","received_events_url":"https://api.github.com/users/fraternl/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-08-16T07:45:57Z","updated_at":"2015-08-16T07:45:57Z","closed_at":null,"body":"Today I read about someone that used \"A1 = 0\" as a trigger to know that the receiver was off (2.0.x).\r\nIn that case he lets the Radio beep every 5 seconds.\r\nIf he puts his DLG in its prelaunch mode while that battery is still at 0 Volts it will sound an alarm...\r\nIt would save his model and prevent him from launching it.\r\n\r\nNow in 2.1x the telemetry behaviour has changed. If no input is received from telemetry, the condition of switches involving them no longer become True.\r\nThis is a good thing IMHO, but now I can't come up with a trick to let the radio know the receiver is turned on (and there's a valid link)."}}