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4. Inserting of battery
●When loading the instrument with a new battery, carefully do it not to make a mistake in
connection of the positive (+) and negative (-) poles of the battery. If they are wrongly
connected, it causes a trouble or damage of the refractometer.
●Press the START/OFF button or ZERO setting button to power on the instrument. Thus,
there is no power button on this unit.
●When the voltage of the battery is low after some time, purchase a new 006P alkaline
battery and replace the old battery with the new one. Be sure to carry out zero setting
when the battery is replaced.
* When purchasing a battery, be sure to check the expiration date.
●Remove the battery from the unit when the unit is not to be used for a month or longer.
Failure to remove the battery before prolonged storage may result in leakage.
(1) Turn left the Battery Cover as illustrated for opening.
(2) Insert a battery correctly as to its polarity.
(3) Turn right the Battery Cover by your bare hands for closing.
CAUTION
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