ii EDGE ® 520 PLUS CN ANT+ 传感器 .....................................................................12 佩戴心率带 .........................................................................................................12 安装踏频传感器 ..................................................................................................13 安装速度传感器 ..................................................................................................14 设备信息 ............................................................................15 为设备充电 .........................................................................................................15 设备规格 .............................................................................................................16 查看设备信息......................................................................................................16 产品更新 .............................................................................................................17