Integra CUSA Clarity System - Page 95

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CUSA® Clarity System Service and Maintenance Manual Page 95 of 117 0645403-2-EN
Note
At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.
Note
These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects, and
people.
Recommended Separation Distances between
Portable and Mobile RF Communications Equipment and the CUSA Clarity System
The CUSA Clarity system is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The
customer or the user of the CUSA Clarity system can help prevent electromagnetic interference by maintaining a minimum distance
between portable and mobile RF communications equipment (transmiers) and the CUSA Clarity system as recommended below,
according to the maximum output power of the communications equipment.
Rated Maximum Output
Power of Transmier W
Separation Distance According to Frequency of Transmier m
150 kHz to 80 MHz
d =1,2P
80 MHz to 800 MHz
d =1,2P
800 MHz to 2.7 GHz
d =2,4P
0.01 0.12 m 0.12 m 0.24 m
0.1 0.38 m 0.38 m 0.76 m
1 1.2 m 1.2 m 2.4 m
10 3.8 m 3.8 m 7.6 m
100 12 m 12 m 24 m
For transmiers rated at maximum output power not listed above, the recommended separation distance d in metres (m) can be
estimated using the equation applicable to the frequency of the transmier, where P is the maximum output power rating of the
transmier in was (W) according to the transmier manufacturer.
a
Field strengths from fixed transmiers, 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
transmiers, an electromagnetic site survey should be considered. If the measured field strength in the location in which the CUSA Clarity system is used
exceeds the applicable RF compliance level above, the CUSA Clarity system should be observed to verify normal operation. If abnormal performance is
observed, additional measures may be necessary, such as re-orientating or relocating the CUSA Clarity system.
b
Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.