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The green section of the figure represents the satellite data that has been spotted,
and the values on the green vertical bars indicate the signal strength of the current
satellite.
Note: when mobile networks, WIFI and GPS services are turned on, the
battery consumption will be increased. Therefore, please turn them off when
these services are not needed, which can save a certain amount of power, so as to
extend the battery life.
4.11 NFC
After the boot, carry out the following operation on the screen: Setting
→NFC→ click the "OK" key→ turn on or turn off NFC; open or close, as shown in
the following figure:
