--- title: "Recorder Model requirements for CAM-IC6175A-LED-28" slug: "recorder-model-requirements-for-cam-ic6175a-led-28" updated: 2022-04-22T20:26:38Z published: 2022-04-22T20:26:38Z canonical: "ametawiki.ametagroup.com/recorder-model-requirements-for-cam-ic6175a-led-28" --- > ## 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. # Recorder Model requirements for CAM-IC6175A-LED-28 1. Eyeonet DVR HDVR-65104-4K-S2 This models need to have firmware version **1.38** or above to support **audio** function . Could work by default **TVI** signal. Download link for 1.38 firmware: HDVR-65104-4K-S2 : [D1D_UI1A_210906_138_47246.fls](https://cdn.document360.io/698fbf35-46b1-42c8-9a01-0506761ce4e8/Images/Documentation/D1D_UI1A_210906_138_47246.fls) 1. Aibase XVR All recent model of **AiBase XVR** could support **LED function**, could not support **audio** function NOTE: if camera connect to AiBase XVR, you need to change the camera to CVI signal in camera OSD menu first. ![image.png](https://cdn.document360.io/698fbf35-46b1-42c8-9a01-0506761ce4e8/Images/Documentation/image-5IJO54FZ.png) 1. Hikvision DVR Most of Hikvision DVR could support **LED function**, could not support **audio** function. Camera could work with default **TVI** signal.