--- title: "How to Set Up a Second (Sub) Monitor on the AiBase NVR" slug: "how-to-set-up-a-second-sub-monitor-on-the-aibase-nvr" updated: 2025-06-04T23:55:38Z published: 2025-06-04T23:55:38Z canonical: "ametawiki.ametagroup.com/how-to-set-up-a-second-sub-monitor-on-the-aibase-nvr" --- > ## Documentation Index > Fetch the complete documentation index at: https://ametawiki.ametagroup.com/llms.txt > Use this file to discover all available pages before exploring further. # How to Set Up a Second (Sub) Monitor on the AiBase NVR ## How to Set Up a Second (Sub) Monitor on the AiBase NVR ### Compatible List : | Type | Model | | --- | --- | | NVR | NVR3432-16P-AI | | NVR3432(No POE) | | NVR3864 | Note: **Setup** **must be done on the local monitor**; it cannot be configured via the web portal or VMS software. The sub monitor serves solely as a video output device and cannot be used for system configuration. As such, the NVR's menu and other system information will not be displayed on it. Channel selection for the sub monitor must be configured through the main monitor. 1. Click on **Main Menu** icon in the bottom left corner and click on **Setup** button. ![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/698fbf35-46b1-42c8-9a01-0506761ce4e8/Images/Documentation/how-to-set-up-a-second-sub-monitor-on-the-aibase-nvr-image-49ukht04.png) 2. Select **General** in the **System** Section. ![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/698fbf35-46b1-42c8-9a01-0506761ce4e8/Images/Documentation/how-to-set-up-a-second-sub-monitor-on-the-aibase-nvr-image-zzwk5a7a.png) 3. Click on **Output Configuration.** ![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/698fbf35-46b1-42c8-9a01-0506761ce4e8/Images/Documentation/how-to-set-up-a-second-sub-monitor-on-the-aibase-nvr-image-yghzx6ml.png) 4. From the HDMI selection drop-down menu, choose **HDMI2**. For the NVR3864 model, you can configure up to four HDMI outputs. Follow the steps below to set them up one by one. ![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/698fbf35-46b1-42c8-9a01-0506761ce4e8/Images/Documentation/how-to-set-up-a-second-sub-monitor-on-the-aibase-nvr-image-1xzbogec.png) 5. Enable the sub monitor by checking the **"Switch"** box. Configure other parameters as needed, then click the "Apply" button to save the configuration. ![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/698fbf35-46b1-42c8-9a01-0506761ce4e8/Images/Documentation/how-to-set-up-a-second-sub-monitor-on-the-aibase-nvr-image-h5z0z33q.png)