JRC JMR-611 Instruction Manual page 6

When conducting maintenance work, make sure to turn off the power and unplug
the power line of the processor so that the power supply to the equipment is
completely cut off.
Some equipment components can carry electrical current even after the power
switch is turned off and conducting maintenance work without unplugging the
power connector may result in electrocution, equipment failure, or accidents.
Never carry out internal inspection or repair work of the equipment by users.
Inspection or repair work by unauthorized personnel may result in fire hazard or
electric shock.
Ask the nearest branch, business office or a dealer for inspection and repair.
Turn off the main power before maintenance work. Otherwise, an electric shock
may result.
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 cleaning the screen, do not wipe it too strongly with a dry cloth. Also, do
not use gasoline or thinner to clean the screen. Otherwise the screen surface
may be damaged.
Never carry out internal inspection or repair work of the equipment by users.
Inspection or repair work by unauthorized personnel may result in fire hazard or
electric shock. Ask the nearest branch, business office or a dealer for inspection
and repair.
Turn off the main power before maintenance work.
Otherwise, an electric shock may result.
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