# Installation ## Installation Note * **Main Unit**: the component side must face up, otherwise it will affect the use of gyroscope. * **Main Display Module**: can be installed in any direction, the recommended installation direction is button facing up or down. Without polarized sunglasses, the display effect is the same in all four directions. When wearing polarized sunglasses, the buttons can be seen clearly when facing up or down, but not when facing left or right. * **Secondary Display Module**: Can only be installed horizontally. However, it is not visible when wearing polarized sunglasses. * **GPS Module**: The GPS module should be placed in as open and unobstructed a location as possible. It is recommended to place it under the front glass. * **Button**: The button is point-and-click type. Any number of push buttons can be connected in parallel according to your needs. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://adu.ppgg.in/installation.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.