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Introduction of external power supply
1. Battery Level Indicator
This light that represents the battery cartridge capacity situation will affect the normal use of the
instrument when the power is low .
2. Battery Test Button
This button can test our battery power is sufficient and can be used normally or not. When we
press this button, from the four battery indicator light to know battery condition, to determine
whether they should be charged .
3. Battery Charging Jack
Should the proper use of matching charger. During charging, if the battery is low, the charger is
bright yellow lights. Filled with the light turns green . We should not for a long time while
charging charging , note damage to the battery . Charging hole and keep clean and dry.
4. Power LED
This light up after starting up, it indicates that the instrument is in a state of power-on.
5. Cell Box Switch
This light up after pressing the button, indicating that the battery box is powered .