User's Manual

Guidance and Manufacturer's Declaration - Electromagnetic Immunity
The GST3C transmitter is intended for use in the electromagnetic environment speci-
fied below. The customer or user of the GST3C transmitter should assure that it is
used in such an electromagnetic environment.
Immunity Test IEC 60601 Level Compliance Lev-
el
Electromagnetic Environ-
ment Guidance
Radiated RF
IEC 61000-4-3
3 V/m
80 MHz to
6 GHz
10 V/m
80 MHz to
6 GHz
d = 0.35
P
80 MHz to 800 MHz
d = 0.70
P
800 MHz to 6 GHz
Where P is the maximum output
power rating of the transmitter in
watts (W) according to the trans-
mitter manufacturer and d is the
recommended separation dis-
tance in meters (m).
Field strengths from fixed RF
transmitters, as determined by
an electromagnetic site survey
a
,
should be less than the compli-
ance level in each frequency
range
b
.
Interference may occur in the vi-
cinity of equipment marked with
the following symbol:
Note:
At 80 MHz and 800 MHz, 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.
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 broadcasts and TV broadcast cannot be pre-
dicted theoretically with accuracy. To assess the electromagnetic environment due to fixed RF trans-
mitters, an electromagnetic site survey should be considered. If the measured field strength in the
location in which the GST3C transmitter is used exceeds the applicable RF compliance level above,
the GST3C transmitter should be observed to verify normal operation. If abnormal performance is ob-
served, additional measures may be necessary, such as re-orienting or relocating the GST3C
transmitter.
b
Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.
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