| 摘要 |
<p>At least one inclination sensor (13) is arranged on the machine. A riser tube (2) with a broadcasting head (4) is arranged on the chassis (6) of the machine by means of a ball-head or universal joint. At least two adjusting elements (2) are arranged between the chassis and the riser tube. Based on the data from the inclination sensor, the adjusting elements set the riser tube to a substantially vertical position.</p> |
