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Circle LED (Red)
Digital compass & battery capacity display
Charge socket
Battery bolt
Switch 1 ()
Long press: Digital calibration On/ Off
Short press: Digital compass function On/Off
Switch 2 ()
Long press: PC connecting mode On/Off
Short press: BT function On/OFF
Power switch
Long press: Power On/ Off
Short press: Power capacity display on circle LED
MMCX Antenna Socket