# Parameter `CamAgc`
Default Value: `true`

!!! Warning
    This is an **Expert Parameter**! Only change it if you understand what it does!

    After changing this parameter you need to update your reference image and alignment markers!

**Auto Gain**

When **true**, the camera attempts to automatically control the sensor gain, up to the value in the **CamGainceiling** property.

When **false**, the **CamAgcGain** setting is used instead.