User's Manual

FX500R / FX 500 / FX250 Installation cum Operation Manual
Page 14 of 43
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2 INSTALLATION OF THE USER EQUIPMENT
2.1 Installation of ADU
2.1.1 Overview
In general, any obstructing objects like mast near the antenna unit can block reception or
transmission from a satellite’s line of sight. In addition, RF radiation emitting from the
antenna will affect human body. When selecting a mounting location, it is important to ensure
that the antenna unit shall be free of severe vibration and shock and heat and smoke from
funnel. More guidelines will be detailed in the next sections.
2.1.2 Radiation Hazard
Radio wave can pose hazard to human body. Safe distances are changed, subjected to
country and ship construction. There is no standard formula to calculate safe distance. The
below guidelines are to be noted.
FX 500 ADU
MICROWAVE RADIATION !
NO ADMITTANCE WITHIN SAFETY
DISTANCE
Antenna Unit
Safety distance
2m
WARNING: Keep away from the antenna radome at the mentioned
safe distance when it is transmitting. Microwave radiation can be
harmful to human body, particularly the eyes.