JRC JLN-650, Instruction Manual, Page: 9 / 190

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Precaution upon Equipment Operation
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Never attempt to check or repair the inside of the equipment.
Checking or repair by an unqualified person may cause a fire or an electric
shock.
Contact our head office, or a nearby branch or local office to request servicing.
Electric shock prevention by high voltage unit
①
There is a part where a high voltage is used, and maintain and check after
turning off the power switch without fail when you check the inside.
②
Wash the salinity of the hand and drop it when you check. Moreover,
change it for the dry one when the work clothes and shoes, etc. have been
wet.
③
It loudly informs everyone of it without panicking, and there must be danger
that I also get an electric shock when touching directly, and the power
switch must be cut or it begins must to help by cutting the board, and it must
revive afterwards when you discover the person who got an electric shock
by any chance by artificial respiration and a general technique.
Do not place a glass or cup containing water, etc., or a small metal object on this
equipment.
If water or such object gets inside, a fire, an electric shock, or a malfunction may occur.
Do not operate pulling out the power plug or do not switch by a wet hand.
It may cause the electric shock.
Do not damage, and process the power cable. A heavy thing is put, heated, pulled or is
bended strongly, and moreover, the power cable may be damaged, and it may cause a
fire and the electric shock.
Neither installation of the transducer nor maintain it on the water.
It may cause the underwater fall and the flood.
In case water or a metal object gets inside the equipment, turn off the power
immediately, unplug the power supply cable from an electric outlet, and contact our
head office, or a nearby branch or local office to request servicing.
Keeping the equipment in operation under such condition may cause a fire, an electric
shock or a malfunction.
DANGER