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2.1 Battery Installation
a) Open the battery cover as shown in the
picture.
b) Place 4 AAA dry batteries. Pay
attention to the battery electrode indication.
2.2 Battery power indication and replacement
After the product is turned on, if low power symbol
appears on
the screen , the measurement cannot be performed, and the battery must
be replaced.
Do not use any expired battery;
If the product is not used for over 3 months, please
take out the batteries.
2.3 USB Power Supply
USB line can be connected for power supply of the product without
battery.
Preparation
