# 安裝

## 安裝注意 <a href="#installation-notes" id="installation-notes"></a>

* **主機**：元器件面必須朝上，否則影響陀螺儀的使用。
* **主顯示模組**：可任意方向安裝，建議安裝方向為按鈕朝上或朝下。不戴偏光太陽鏡時，四個方向的顯示效果一致。戴偏光太陽鏡時，朝左或朝右時無法看清。
* **副顯示模組**：只能橫向安裝。但戴偏光太陽鏡時均無法看清。
* **GPS 模組**：GPS 模組的擺放位置需盡量空曠無遮擋。建議放置於前檔玻璃下方。
* **按鈕**：按鈕為點動式。可根據自己的需要以并聯方式外接任意數量的點動式按鈕。


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