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title: "Calibrate cameras"
canonical: "https://help.vicon.com/space/ShogunLive121/1253212193/Calibrate%20cameras"
format: markdown
---
To start a capture, you must first calibrate your cameras. To calibrate your Vicon cameras, complete the procedures listed in this section in the following order.

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To help you complete the calibration, the sections in the Camera Calibration panel are in the order in which you calibrate your cameras.

> ![Camera Calibration panel in Vicon Shogun Live, showing sections in order of use.](media://adb1a194-31e9-4057-982b-3d1e73f1f466)

When you first connect up your Vicon system and start Vicon Shogun Live, notice that in both the **System** panel and in the **Cameras** view, icons give you feedback on the current status of the cameras. The cyan icons indicate that although the cameras are connected, they are not yet calibrated.

> ![Icon indicating uncalibrated camera in System panel and Cameras view in Vicon Shogun Live.](media://4c1bc075-6701-40aa-9605-ae1a272b26a8)

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> ✅ ** Tip**   
> ✅ To make it easy to tell when cameras have been disconnected, camera views for disconnected cameras display a red border.

With Shogun Live 1.6 and later versions, to avoid having to recalibrate the whole system when you make changes such as adding or moving some of the cameras, you can [Calibrate or recalibrate selected cameras](https://vicon-help.atlassian.net/wiki/spaces/ShogunLive121/pages/1253212366).

See also the Vicon video: [4 - Shogun Live - System Calibration](https://youtu.be/8g90WMWg3qs).

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> ⚠️ **Important** - Before you begin camera calibration, ensure that:
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> ⚠️ ▪️ Cameras have fully warmed up to a stable operating temperature. Vicon recommends a minimum 30–60 minute warm-up period. To ensure strobe activity, which can accelerate the warm-up period, connect up the Vicon system and run Vicon Shogun Live.
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> ⚠️ ▪️ The **Grayscale Mode** for all cameras is set to **Auto**. To do this, in the **System** panel, click the **Vicon Cameras** heading to select all cameras and in the **Optical Setup** section below, change **Grayscale Mode** to **Auto**.