User Manual
Reference number: 4111A-RADAR4600-GBD-R1.1
Date: 27 February 2018
Page 8 of 149
WARNINGS AND CAUTIONS
REGARDING PERSONAL INJURY
WARNING
:
Lethal Voltage Hazard
When access covers are removed, lethal voltages may be exposed. Some capacitors used in the equipment
take several minutes to discharge their stored voltages after switch OFF; this is a lethal voltage hazard.
Always set the supply switch-fuse to OFF and remove the fuses, before removing the access covers of the
equipment.
WARNING: Health Hazard
When cleaning the inside of the equipment, take care not to inhale dust. The dust may be a temporary
health hazard, depending on individual allergies.
WARNING: Radiation Hazard
Keep outside the hazard zone around an antenna or open waveguide radiating power. Refer to the table
below for hazard zones. When it is necessary to work on the Scanner Unit, make sure that RADAR is
switched OFF, and that both the Mains Isolator and the Scanner Control Unit are turned to the OFF position.
Never look directly into an open waveguide
!
Radar and other forms of RF radiation can cause Cardiac Pacemakers to malfunction. If you use a Cardiac
Pacemaker and suspect a malfunction, leave the vicinity of the Radar system immediately and seek medical
advice
.
Most countries accept that there is no significant radiation hazard at RF power density levels of up to
10mW/cm2. See below the table for antenna versus safe distance.
Hazard Zones
Antenna Length
10 mW/cm²
1 mW/cm²
1.2m X-Band
1.7 m
17 m
1.8m X-Band
1.05 m
10.5 m
2.4m X-Band
0.75 m
7.5 m
2.7m S-Band
0.73 m
7.3 m
3.7m S-Band
0.55 m
5.5 m