GTMichael,
<!DOCTYPE html>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<style type="text/css">
</style>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script>
$(function() {
var f = $('[name="first"]'), r = $('[type="radio"]').not(f), n = $('[name="third"]');
f.on("click", function() {
var no = this.value == "no";
r.each(function(indx, el){
no ? $(el).prop({disabled : true, checked : false}) : $(el).removeAttr("disabled")
});
n.prop({disabled : !no})
})
});
</script>
</head>
<body>
<input type="radio" name="first" value="no"> ручная
<input type="radio" name="first" value="yes"> автоматическая
<input type="radio" name="sec" value="1">
<input type="radio" name="sec" value="2">
<input type="text" name="third" disabled="disabled">
</body>
</html>