the tuner on a television set could be a smooth turning dial with frequency numbers on it just like a radio receiver. they have people above them that help, train and support them. if you cannot make it to work, always call out. 2.2. how, when and for what purposes are your personal data collected? goods and services of third parties may be advertised and/or may be made available on or through this web site. be thankful for what you have. here we are, at the start of the hike. 