User manual

49
User Manual
Gu i d a n c e a n d Ma n u f a c t u r e r ’s de c l a r a t i o n - el e c t r o M a G n e t i c iM M u n i t y : is device
is intended for use in the electromagnetic environment specified below. e user of this device should
make sure it is used in such an environment.
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l e c t r o M a G n e t i c en v i r o n M e n t - Gu i d a n c e
Conducted RF
IEC 61000-4-6
Radiated RF
IEC 61000-4-3
3 Vrms
150 kHz to 80 MHz
3 V/m
80 MHz to 2.5 GHz
3 Vrms
3 V/m
Portable and mobile RF communications equipment
should be used no closer to any part of the device,
including cables, than the recommended separation
distance calculated from the equation applicable to the
frequency of the transmitter.
Recommended separation distance:
d = 1.2
150 kHz to 80 MHz
d = 1.2
80 MHz to 800 MHz
d = 2.3
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 xed 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 the 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 aected by absorption
and reection from structures, objects, and people.
a: Field strengths from xed 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 xed RF transmitters, an electromagnetic
site survey should be considered. If the measured eld strength in the location in which the device is used
exceeds the applicable RF compliance level above, the device should be observed to verify normal operation.
If abnormal performance is observed, additional measures may be necessary, such as re-orienting or relocating
the device.
b: Over the frequency range 150 kHz to 80 MHz, the eld strengths should be less than 3 V/m.