NVR4-7400, NVR8-7400, NVR16-7400 User Manual Click the icon below to view the manual. ENGLISH SPANISH FRENCH Related articles NVR8-7400 & NHD-818/819 Firmware Release Recorders and Cameras Compatibility Chart Customer Support NVRx-7300/7400 Firmware Release (GA3.1) NVR-8580 series - NVR8-8580, NVR16-8580, NVR8-8580RN, NVR16-8580RN