GL300VC User ManualTRACGL300VCUM001 - 5 -2. Product Overview2.1. Appearance2.2. Buttons/Mini USB Interface DescriptionButton /Mini USB Interface DescriptionPower Key Turn on GL300VC Turn off GL300VC when without charging. (If power key isenabled)Function Key Geo-Fence modeLong press the key to enable/disable Geo-Fence ID0 Geo-Fence in current position modeLong press the key to enable/disable Geo-Fence ID0. Ifenable Geo-Fence ID0, using the current position as thecenter of Geo-Fence 0. SOS mode (default)Long press the key to active SOS alarmMini USB interface Connect a 5V DC adapter can power GL300VC and chargethe internal battery Connect a 3.7V Li-ion or Li-Polymer battery can powerGL300VC Backend server developer or administrator can use theData_Cable_M to configure GL300VCQueclinkConfidential