MDC-2200/2500 Series
Preface
0092625002-00
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• Caution about dangerous internal high voltage in the device:
High voltage that may cause risk of life is present in the Antenna unit and the Display unit of this
radar. This high voltage can remain in the circuit after the switch has been turned off. The
high-voltage circuit has a protective cover with a label “Caution against high voltage” so that no
one will accidentally touch it. Please ensure for your safety that the power switch is turned off and
residual voltage in the capacitor is discharged in a suitable manner when checking the inside of
the antenna. Maintenance and inspection should be conducted by qualified engineers only.
Precautions for maintenance
•
Caution against residual high voltage:
The capacitor used in the Display unit and the modulator circuit of the transmission unit may keep
high voltage for several minutes even after the power switch off. The maintenance and inspection
of this part should be performed at least 5 minutes after powering off or applying the appropriate
measure to discharge the residual electrical charge.
•
Keep inboard power source “Off”:
An electric shock is possible if the power switch is accidentally turned on during the maintenance
operation. In order to prevent such an occurrence, please be sure to disconnect the power breaker
of the onboard power source and the device. Furthermore, it is recommended to post the
word-of-caution tag shown to be in a "working state" near the power switch of the device.
•
Caution against the dust:
Dust can temporarily cause distress to the respiratory system. Take care not to inhale dust when
cleaning the interior of the device. It is recommended you wear a safety mask.
•
Measures against static electricity:
Static electricity occurring from carpet on the floor of the cabin, clothes made of synthetic fiber etc.,
may damage some electronic parts on the printed circuit board. Please deal with the printed circuit
board only after taking any measures against static electricity.
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