DS-6904UDI(B) - Digital decoder Hikvision - Free user manual and instructions
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| Product Type | Digital Decoder |
| Brand | Hikvision |
| Model | DS-6904UDI(B) |
| Video Output | 4 independent HDMI outputs |
| Decoding Capability | Up to 4 channels of 12 MP@30 fps or 16 channels of 1080p@30 fps |
| Supported Video Codecs | H.265, H.264, MPEG-4, MJPEG |
| Audio Output | 1 channel audio via HDMI or BNC (analog) |
| Network Interface | 1 RJ45 10/100/1000 Mbps self-adaptive |
| Dimensions (W × D × H) | 440 × 285 × 44 mm (17.3 × 11.2 × 1.7 in) |
| Weight | Approx. 3.5 kg (7.7 lb) |
| Power Supply | 100-240V AC, 50/60 Hz; power consumption ≤ 30W |
| Operating Temperature | -10°C to 55°C (14°F to 131°F) |
| Working Humidity | 10% to 90% (non-condensing) |
| Main Functions | Real-time decoding, multi-screen display, alarm input/output, remote control via web |
| Maintenance | Keep vents clean; use soft dry cloth for cleaning; avoid liquid contact |
| Safety Precautions | Ensure proper grounding; do not expose to moisture; use supplied power adapter only |
| Spare Parts & Repairability | Contact authorized service center; no user-serviceable parts inside |
| General Information | Supports up to 4 screens with independent or grouped layout; compatible with Hikvision NVRs and cameras |
Frequently Asked Questions - DS-6904UDI(B) Hikvision
What video formats does the DS-6904UDI(B) support?
It supports H.265, H.264, MPEG-4, and MJPEG video codecs.
How many HDMI outputs does this decoder have?
The DS-6904UDI(B) is equipped with 4 independent HDMI outputs for multi-screen display.
Can I decode 4K video with this device?
Yes, it can decode up to 12 MP resolution per channel at 30 fps, which includes 4K (3840x2160).
What is the maximum number of cameras I can connect?
The decoder can handle up to 16 channels of 1080p simultaneously, depending on the stream settings.
Does it support audio output?
Yes, it provides 1 channel audio output via HDMI or a BNC connector for analog audio.
How can I control the decoder?
You can control it via the web interface, remote control, or front panel buttons.
What are the power requirements?
It operates on 100-240V AC, 50/60 Hz and consumes ≤ 30W.
Is the DS-6904UDI(B) compatible with non-Hikvision devices?
It works with standard ONVIF-compliant devices, but full functionality is guaranteed with Hikvision systems.
How do I update the firmware?
Firmware updates can be performed via the web interface. Always download the latest version from the Hikvision official website.
What maintenance is required?
Keep the device in a well-ventilated area, clean the exterior with a dry soft cloth, and avoid exposure to liquids.
User questions about DS-6904UDI(B) Hikvision
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USER MANUAL DS-6904UDI(B) Hikvision
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Product information
Brand : Hikvision
Model : DS-6904UDI(B)
Category : Digital decoder