# ECA User Guide

| ECA Model | ecaOS Version | Download link                                                           |
| --------- | ------------- | ----------------------------------------------------------------------- |
| ECA46     | ecaOS 6.9     | [Download](https://gsfcorp.gitbook.io/eca/user-manual)                  |
| ECA46     | ecaOS 6.8     | [Download](https://gsfcorp.com/downloads/ECA46-ecaos6.8-QuickGuide.pdf) |
| ECA45     | ecaOS 6.4     | [Download](https://gsfcorp.com/downloads/ECA45-ecaos6.4-QuickGuide.pdf) |
| ECA45     | ecaOS 6.3     | [Download](https://gsfcorp.com/downloads/ECA45-ecaos6.3-QuickGuide.pdf) |
| ECA45     | ecaOS 6.2     | [Download](https://gsfcorp.com/downloads/ECA45-ecaos6.2-QuickGuide.pdf) |
| ECA44     | ecaOS 6.1     | [Download](https://gsfcorp.com/downloads/ECA44-ecaos6.1-QuickGuide.pdf) |
| ECA44     | ecaOS 6.0     | [Download](https://gsfcorp.com/downloads/ECA44-ecaos6-QuickGuide.pdf)   |
| ECA44     | ecaOS 5.x     | [Download](https://gsfcorp.com/downloads/ECA44-ecaos5-QuickGuide.pdf)   |
| ECA40     | ecaOS 5.x     | [Download](https://gsfcorp.com/downloads/ECA40-ecaos5-QuickGuide.pdf)   |

<table><thead><tr><th width="168.8148193359375">ECA Model</th><th>ecaOS Version</th></tr></thead><tbody><tr><td>ECA4.6</td><td><p>ecaOS 6.8 (<a href="https://gsfcorp.com/downloads/ECA46-ecaos6.8-QuickGuide.pdf">guide</a>)</p><p>ecaOS 6.9 (<a href="user-manual">guide</a>)</p></td></tr><tr><td>ECA4.5</td><td>ecaOS 6.2 (<a href="https://gsfcorp.com/downloads/ECA45-ecaos6.2-QuickGuide.pdf">guide</a>)<br>ecaOS 6.3 (<a href="https://gsfcorp.com/downloads/ECA45-ecaos6.3-QuickGuide.pdf">guide</a>)<br>ecaOS 6.4 (<a href="https://gsfcorp.com/downloads/ECA45-ecaos6.4-QuickGuide.pdf">guide</a>)</td></tr><tr><td>ECA4.4</td><td>ecaOS 5 (<a href="https://gsfcorp.com/downloads/ECA44-ecaos5-QuickGuide.pdf">guide</a>)<br>ecaOS 6.0 (<a href="https://gsfcorp.com/downloads/ECA44-ecaos6-QuickGuide.pdf">guide</a>)<br>ecaOS 6.1 (<a href="https://gsfcorp.com/downloads/ECA44-ecaos6.1-QuickGuide.pdf">guide</a>)</td></tr><tr><td>ECA4.0</td><td>ecaOS 5 (<a href="https://gsfcorp.com/downloads/ECA40-ecaos5-QuickGuide.pdf">guide</a>)</td></tr></tbody></table>