72 For your safetyVEGAPULS 62 • 4 … 20 mA/HART - two-wire41718-EN-140209• The instrument must be stationary mounted and the antennadirected vertically downward• The mounting location must be at least 4 km away from the 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 with the respective radio astronomy stations inchapter "Supplement".2.8 Radio license for USA/CanadaThe instrument is in conformity with part 15 of the FCC regulations.Take note of the following two regulations:• The instrument must not cause any interfering emissions• The device must be insensitive to interfering immissions, includingthose that may cause undesirable operating conditionsModifications not expressly approved by the manufacturer will lead toexpiry of the operating licence according to FCC/IC.The instrument is in conformity with RSS-210 of the IC regulations.The instrument may only be used in closed vessels made of metal,concrete, or fibre-reinforced plastic.2.9 Environmental instructionsProtection of the environment is one of our most important duties.That is why we have introduced an environment management systemwith the goal of continuously improving company environmental pro-tection. The environment management system is certified accordingto DIN EN ISO 14001.Please help us fulfill this obligation by observing the environmentalinstructions in this manual:• Chapter "Packaging, transport and storage"• Chapter "Disposal"