> ## Documentation Index
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> Use this file to discover all available pages before exploring further.

# ScanBrightnessControlEnum

<Note>
  This enum is implemented in FRE for Windows.
</Note>

ScanBrightnessControlEnum enumeration constants are used to set brightness control modes.

```
typedef enum {
 SBC_Fine,
 SBC_Scanner,
 SBC_Manual
} ScanBrightnessControlEnum;
```

## Elements

| Name           | Description                                          |
| -------------- | ---------------------------------------------------- |
| SBC\\\_Fine    | Brightness is controlled by ABBYY FineReader Engine. |
| SBC\\\_Manual  | Brightness is set by the user.                       |
| SBC\\\_Scanner | Brightness is controlled by the scanner.             |

## Used in

[IScanSourceSettings::BrightnessControl](/fine-reader/engine/api-reference/mechanism-objects/scansourcesettings#brightnesscontrol)