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Hillrom Allen A-71100-CA Mode D'emploi page 19

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  • FRANÇAIS, page 453
INSTRUCTIONS FOR USE
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 A-71100-XX/A-71101-XX or A-71705-XX is used exceeds the applicable RF com-
pliance level above, the A-71100-XX/A-71101-XX or A-71705-XX should be observed to verify normal
operation. If abnormal performance is observed, additional measures may be necessary, such as re-
orienting or relocating the A-71100-XX/A-71101-XX or A-71705-XX.
b. Over the frequency range of 150 kHz to 80 MHz, field strength should be less than 3 V/m.
Recommended separation distances between portable and mobile RF
communications equipment and the A-71100-XX/A-71101-XX
The A-71100-XX/A-71101-XX and A-71705-XX are intended for use in an
electromagnetic environment in which radiated RF disturbances are controlled. The
customer or the user of the A-71100-XX/A-71101-XX1 or A-71705-XX can help prevent
electromagnetic interference by maintaining a minimum distance between portable
and mobile RF communications equipment (transmitters) and the A-71100-XX/
A-71101-XX or A-71705-XX as recommended below, according to the maximum output
power of the communications equipment.
Rated maximum output
power of transmitter, W
0.01
0.1
1
10
100
For transmitters rated at a maximum output power not listed above, the
recommended separation distance d in meters (m) can be estimated using the
equation applicable to the frequency of the transmitter, where P is the maximum
output power rating of the transmitter in watts (W) according to the transmitter
manufacturer.
NOTE 1: At 80 MHz and 800 MHz, the separation distance for 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.
Document Number: 80028198
Version: F
Separation distance according to frequency of transmitter,
m
150 kHz to 80 MHz
d = 1.17√ P
0.12
0.37
1.17
3.69
11.67
Page 19
English
80 MHz to 800 MHz
d = 1.17√ P
0.12
0.37
1.17
3.69
11.67
Ref Blank Template: 80025117 Ver. F
800 MHz to 2.5 GHz
d = 2.33√ P
0.23
0.74
2.33
7.38
23.33
Issue Date: 03 FEB 2023

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