# Overview

### **Introduction**

This document describes how to use the mySigen App.

### **Readers**

This document is intended for:

* Professionally trained and qualified installers
* Technical support engineer

### **Sign Definition**

The following signs may be used in the document to indicate security precautions or key information. Before installation and operation, familiarize yourself with signs and their definitions.

<table><thead><tr><th width="180">Signs</th><th width="575">Definition</th></tr></thead><tbody><tr><td><img src="https://1165931685-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUbDQx7leHsTF4wXWth5S%2Fuploads%2Fgit-blob-43cc0376d02afd63d8d9bc9666700d9af26b14b0%2Fdanger.png?alt=media" alt="E:\项目管理\王芳\23-WF3114\23-WF3114-3\翻译规范&#x26;字体&#x26;图标\图标\图标-危险-en.png" data-size="original"></td><td>Danger. Failure to comply will result in death or serious personal injury.</td></tr><tr><td><img src="https://1165931685-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUbDQx7leHsTF4wXWth5S%2Fuploads%2Fgit-blob-2e673d7aed03691c74bdc7271633e9d2341f003b%2Fwarning.png?alt=media" alt="E:\项目管理\王芳\23-WF3114\23-WF3114-3\翻译规范&#x26;字体&#x26;图标\图标\图标-警告-en.png"></td><td>Warning. Failure to comply will result in serious personal injury or property damage.</td></tr><tr><td><img src="https://1165931685-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUbDQx7leHsTF4wXWth5S%2Fuploads%2Fgit-blob-59d40123e207fe74dd33af0e0aaad47dbe699783%2Fcaution.png?alt=media" alt="E:\项目管理\王芳\23-WF3114\23-WF3114-3\翻译规范&#x26;字体&#x26;图标\图标\图标-注意-en.png"></td><td>Caution. Failure to comply will result in property damage.</td></tr><tr><td><img src="https://1165931685-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUbDQx7leHsTF4wXWth5S%2Fuploads%2Fgit-blob-3030b66d9131d47e8ff8bb27fd8589ffacb979e6%2Ftips.png?alt=media" alt=""></td><td>Important or key information, and supplementary operation tips.</td></tr></tbody></table>
