Sony DVO1000MD User Manual (Instructions For Use) - Page 6
Guidance and manufacturer's declaration - electromagnetic immunity, Recommended separation distance
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Guidance and manufacturer's declaration - electromagnetic immunity The DVO-1000MD is intended for use in the electromagnetic environment specified below. The customer or the user of the DVO-1000MD should assure that it is used in such as environment. Immunity test IEC 60601 test level Compliance level Electromagnetic environment-guidance Portable and mobile RF communications equipment should be used no closer to any part of the DVO-1000MD, including cables, than the recommended separation distance calculated from the equation appliance to the frequency of the transmitter. Recommended separation distance Conducted RF 3 Vrms 3 Vrms d = 1.2 √P IEC 61000-4-6 150 kHz to 80 MHz Radiated RF IEC 61000-4-3 3 V/m 3 V/m 80 MHz to 2.5 GHz d = 1.2 √P 80 MHz to 800 MHz d = 2.3 √P 800 MHz to 2.5 GHz Where P is the maximum output power rating of the transmitter in watts (W) according to the transmitter manufacturer and d is the recommended separation distance in meters (m). Field strengths from fixed RF transmitters, as determined by an electromagnetic site survey, a should be less than the compliance level in each frequency range. b Interference may occur in the vicinity of equipment marked with following symbol: NOTE 1: At 80 MHz and 800 MHz, the higher frequency range applies. NOTE 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects and people. a Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and land mobile radios, amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy. To assess the electromagnetic environment due to fixed RF transmitters, an electromagnetic site survey should be considered. If the measured field strength in the location in which the DVO-1000MD is used exceeds the applicable RF compliance level above, the DVO-1000MD should be observed to verify normal operation. If abnormal performance is observed, additional measures may be necessary, such as reorienting or relocating the DVO-1000MD. b Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m. 6