my Ublox not lock please help me !

I use ArduPilot2.4 code and change the setting as below , but ublox can not lock, could you please give me some advice, I live in Taiwan, Asia.my hardware:ardupilot+ArduPilot Shield V2ublox+Adapterconfigurable settings:1.#define GPS_PROTOCOL 2 // 0 =

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