ifferent than numerical true direction display. 
<br>If error message is received from rotctld button area turns red. If requested turn command is ok, but az_min or az_maz limits change requested direction from true direction 
(then antenna may not always reach requested direction) button area will turn yellow as warning sign.
<br>The length of color flash depends on poll rate and is error permanent or not.
<br>
<br>If you make changes to <strong>preferences/Rot Control</strong> after that just select anoth