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3-1
3. MAINTENANCE
Periodic checks and maintenance are important for proper operation of any electronic
systems. This chapter contains maintenance instructions to be followed to obtain optimum
performance and the longest possible life of the equipment.
WARNING
Do not open the equipment.
Hazardous voltage which can
cause electrical shock exists
inside the equipment. Only
qualified personnel should
work inside the equipment.
Turn off the radar power
switch before servicing the
antenna unit. Post a warn-
ing sign near the switch
indicating it should not be
turned on while the antenna
unit is being serviced.
Prevent the potential risk of
being struck by the rotating
antenna and exposure to
RF radiation hazard.
Wear a safety belt and hard
hat when working on the
antenna unit.
Serious injury or death can
result if someone falls from
the radar antenna mast.
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POWER Switch
POWER Switch in AC
Powered Display Unit
FOR TECHNICIANS
The display unit designed to run on AC
power has a power switch inside its
base which cuts off 100/200 VAC power
to the display unit. Pull the display unit
forward several centimeters to access
the switch. TURN THE SWITCH OFF
(as well as the main POWER switch)
WHENEVER ACCESSING INSIDE THE
DISPLAY UNIT.
Display unit, inside view