# Capture notes (fill after Windows session)

**Date:**  
**SSE version:** 3.19.2 (dendritic staged)  
**Backlight works on Windows?** yes / no

## Devices when lit

```
# paste Get-PnpDevice / USBPcap device list for VID_1038 and VID_1770
```

## Actions → packets

| Time (pcap) | Action             | Interface | Report type | Hex (first 16+ bytes) |
| ----------- | ------------------ | --------- | ----------- | --------------------- |
|             | Fn cycle → level 1 |           |             |                       |
|             | Fn cycle → level 2 |           |             |                       |
|             | Fn cycle → level 3 |           |             |                       |
|             | Fn cycle → off     |           |             |                       |
|             | Engine brightness  |           |             |                       |

## Conclusion for Linux tool

- Target VID:PID =
- Report ID =
- Level encoding =
