JRC JMR-611 Instruction Manual page 7

Turn off the main power before cleaning the equipment. Especially, make sure to
turn off the indicator if a rectifier is used. Otherwise, equipment failure, or death or
serious injury due to electric shock may result, because voltage is outputted from
the rectifier even when the radar is not operating.
Turn off the main power source before starting maintenance.
Otherwise, an electric shock or injury may be caused.
Turn off the main power if you need to be near the scanner unit for maintenance
or inspection purposes. Direct exposure to electromagnetic waves at close range
in death or serious injury.
Set the safety switch for stopping the scanner unit to the OFF position.
Otherwise, an accidental contact with the rotating scanner unit may cause injury.
When disposing of used lithium batteries, be sure to insulate the batteries by
taping + and -
Otherwise, heat generation, explosion or a fire may occur.
terminals.
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