72 For your safetyVEGAPULS 69 • Foundation Fieldbus47251-EN-160815• The instrument must be stationary mounted and the antennadirected vertically downward• The mounting location must be at least 4 km away from radioastronomy stations, unless special permission was granted by theresponsible national approval authority• When installed within 4 to 40 km of a radio astronomy station,the instrument must not be mounted higher than 15 m above theground.You can find a list of the respective radio astronomy stations in chap-ter "Supplement".2.8 Radio license for USAThis approval is only valid for USA. Hence the following text is onlyavailable in the English language.This device complies with Part 15 of the FCC Rules. Operation issubject to the following two conditions:• This device may not cause interference, and• This device must accept any interference, including interferencethat may cause undesired operation of the deviceThis device is approved for unrestricted use only inside closed, sta-tionary vessels made of metal or concrete.For operation outside of closed vessels, the following conditions mustbe fulfilled:• This device shall be installed and maintained to ensure a verti-cally downward orientation of the transmit antenna's main beam.Furthermore, the use of any mechanism that does not allow themain beam of the transmitter to be mounted vertically downward isprohibited.• This device shall be installed only at fixed locations. The LPRdevice shall not operate while being moved or while inside a mov-ing container.• Hand-held applications are prohibited.• Marketing to residential consumers is prohibited.Changes or modifications not expressly approved by the manufac-turer could void the user’s authority to operate this equipment.2.9 Radio license for CanadaThis approval is only valid for Canada. Hence the following texts areonly available in the English/French language.This device complies with Industry Canada license-exempt RSSstandard(s). Operation is subject to the following conditions:• This device may not cause interference, and• This device must accept any interference, including interferencethat may cause undesired operation of the device• Installation of LPR device shall be done by trained installers, instrict compliance with the manufacturer’s instructions