GeoMax UniStrong UT30 Kurzanleitung Seite 10

Important Information about your Instrument
11. When replacing the battery or during the use of an external power
supply, shut down the device completely before removing the battery
or disconnecting the external power supply to prevent damage.
12. This product is a Class B product, which may cause radio interference.
The user may be required to take necessary preventive measures.
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