Installation and Replacement of Battery Pack
Warning
Do not disassemble or modify the battery pack. Do not throw the battery pack into re or heat it. Do not charge the battery pack by using equip- ment other than this unit.
If the uid in the battery pack gets into your eye, wash the eye with suf cient water without rubbing the eye. Then immediately consult the doctor for treatment.
•You may suffer injury, or battery uid may leak, or battery may heat, ignite re, or explode.
1.Remove the battery cover on the back of the main unit.
2.Installation: To install the battery pack, connect the battery pack connector to the connector in the battery cover.
Replacement: Remove the battery pack from the connector and replace with a new one.
3.Install the battery cover and fasten it with screws.
Battery life
Caution
Do not short the polarities of battery using metal object such as the wire.
If the uid in the battery is stained on your skin or cloth, immediately wash off the uid with water.
•You may suffer injury, or battery uid may leak, or battery may heat, ignite re, or explode.
•You can use the unit for approximately three hundred measurements.
•If a 
mark appears frequently even after the battery is charged, replace the battery.
•Approximate battery life is two years.
Charging time
•After inserting the AC adapter, the battery will start to charge automatically in approximately ve seconds.
•While the battery is being charged, a
mark turns on.
•The battery can be charged in approximately twelve hours.
Battery low
•Even after a
mark starts to ash, you can use the battery for twenty to thirty measurements. However it is
better to charge the battery as soon as possible.
•If a 
mark is displayed, the battery is low. Please charge the battery.
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