SAM Electronics GmbH NG3028X25KW Manual Do Utilizador
ED 3038 G 232 / 01 (2002-06)
Operating Instructions
General Safety Precautions
b_r1_esh.fm / 21.06.02
3
RADARPILOT / CHARTRADAR
General Safety Precautions
The radar can perform its safety function if, and only if, the transmission power and the receiver sensitivity
are adequate. Therefore, these characteristics must be checked regularly (by means of the Performance
Monitor – see
are adequate. Therefore, these characteristics must be checked regularly (by means of the Performance
Monitor – see
).
Connected position receivers must fulfil the standard IEC 61162-1
1)
.
ARPA target data are directly dependent upon the accuracy and proper functioning of the selected speed
sensor and the gyro compass.
sensor and the gyro compass.
DANGER: High frequency radiation
Persons must definitely avoid being present in the radiation danger zone
of the rotating antenna.
of the rotating antenna.
In the case of work being done on the antenna unit, the antenna switch
situated there must be set to
situated there must be set to
0
and the transceiver must be discon-
nected from the ship’s mains.
☞
There is no international agreement about the danger posed by high frequency radiation of the kind
produced by the radar systems. In most countries, a radiation density exceeding 100 W/m
produced by the radar systems. In most countries, a radiation density exceeding 100 W/m
2
is consid-
ered to be dangerous; in some countries, values over 10 W/m
2
are regarded as not being completely
safe.
1)
IEC 61162-1 largely corresponds to NMEA 0183 Version 2.30 of 1st March 1998.
Antenna Type
Transceiver
A=Up B=Down
Radius of the Radiation Danger Zone
Radiation Density
100 W/m
2
Radiation Density
10 W/m
2
5 ft X-Band
12.5 kW, Version A
1.4 m
14 m
25 kW, Version B
1.65 m
16 m
8 ft X-Band
12.5 kW, Version A
0.65 m
7 m
14 ft S-Band
30 kW, Version A
1.3 m
13 m
30 kW, Version B
0.7 m
7.8 m
Particular attention must be paid to the notes and warnings refer-
ring to possible faults in the radar display, since such faults can
impair the detection of targets.
ring to possible faults in the radar display, since such faults can
impair the detection of targets.