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User Manual

Comelit DEC0804 4 Channel Professional Decoder

Please read this instruction carefully before operating the unit and keep it for further reference
Notes

  • Please read this user manual carefully to ensure that you can use the device correctly and safely.
  • There may be several technically incorrect places or printing errors in this manual. The updates will be added to the new version of this manual. The contents of this manual are subject to change without notice.
  • This device should be operated only from the type of power source indicated on the marking label. The voltage of the power must be verified before using the same. Kindly remove the cables from the power source if the device is not to be used for a long period of time.
  • Do not install this device near any heat sources such as radiators, heat registers, stoves, or other devices that produce heat.
  • Do not install this device near water. Clean only with a dry cloth.
  • Do not block any ventilation openings and ensure proper ventilation around the machine.
  • This machine is for indoor use only. Do not expose the machine to rain or a moist environment. In case any solid or liquid get inside the machine’s case, please turn off the
    device immediately and get it checked by a qualified technician.
  •  Do not try to repair the device by yourself without technical aid or approval.
  •  This manual is suitable for many models. All examples and pictures used in the manual are from one of the models for reference.

Introduction

1.1 Summary
The decoder is a 4-channel professional decoder, which adopts a high-performance SOC decoding chip. It not only supports multi-channel standard-definition and high-definition network videos decoded on a TV wall independently (in device running mode), but also it can be managed in an integrated way by a video surveillance management platform (in platform running mode). Therefore, this decoder can be widely used in banks, schools, intelligent buildings, transportation, environmental protection, supermarkets,  gasoline stations, housing estates, factories, etc.

1.2 Features
Decoding & Display

  • 4*HDMI@1080P; HDMI1 and HDMI3 support 4K
  • 4*VGA output, 4*BNC output
  •  Support PS, RTP, TS,ES package format(in platform running mode)
  •  Support NTSC&PAL video format
  •  H.265 HP/MP/BP and H.264 HP/MP/BP
  •  8CH 8MP@30fps or 16 CH 4MP@30fps or 32CH1080P@30fps 64CH 720 P@30fps
  •  G.711A/G.711U
  •  1 CH audio input; 4 CH audio output
  •  1 CH talkback

Decoding Control

  • Support live view and playback decoding
  • 1/4/9/16/25/36 screen display mode
  •  Splicing, picture-in-picture, roaming
  • View cameras or camera groups in sequence
  • A&V streams can be acquired actively and passively
  • A&V streams can be directly acquired from IPC/DVR/NVR by SDK private protocol
  • A&V streams can be acquired from the NVMS platform or encoding devices by RTSP/RTP protocol
  • A&V streams can be acquired from IPC by the ONVIF protocol

Device Management

  •  Superior-subordinate management
  • A maximum of 64 decoders can be manageable
  • Access
  • Provide HTTP API protocol to a third-party platform
  • Support platform running mode and device running mode

Operation and Maintenance

  • Support device search
  • Support WEB client access, configuration and management
  •  Support time zone, time and date settings
  •  Support IP address, subnet mask, and gateway settings
  • Support data port and HTTP port settings
  •  Support data backup and restoration
  •  Support remote reboot and one-button reset
  •  Support online and U-disk upgrade
  •  Support dual gigabit Ethernet ports, load balancing

1.3 Front-panel Descriptions

Comelit DEC0804 4 Channel Professional Decoder - panel DescriptionsFront panel

NameDescription
RECRecord indicator (unavailable)
NETNetwork indicator. The light will go on when it is connected to the network.
PWRPower indicator. The light will go on when it is powered.
Comelit DEC0804 4 Channel Professional Decoder - panel Descriptions1USB interface

1.4 Real-panel Descriptions

Comelit DEC0804 4 Channel Professional Decoder - HD Decoder

NumberDescription
1RS485 interfaces. Connectors for speed domes. Y is TX+; Z is TX-; Connects for keyboards. A is TX+; B is TX- (unavailable temporarily)
28CH alarm output (unavailable temporarily); Relay output. Connect to external alarms.
38CH alarm input (unavailable temporarily)
4Connector for audio output (used for two-way talk)
5Connector for audio input (used for two-way talk)
6Audio output × 4
7CVBS output × 4
8VGA output × 4 (1920×1080,1280×1024)
9HDMI output × 4 (HDIM1/HDMI3:3840×2160,1920×1080,1280×1024; HDMI2/HDMI4:920×1080,1280×1024)
10HDMI input× 1
11Gigabit Ethernet port× 2
12Connector for external USB devices (like USB mouse)
13RS232 serial port
14DC12V power input
15Reset

Login

The login settings are as follows.
① Make sure the PC and decoder are connected to the LAN.
② Find the IP-Tool from the CD and then install it on your computer.
③ Run the IP-Tool. Then the decoder can be searched. If the decoder can’t be searched, please check whether the PC and the device are connected to the network or not. Click the device to check its detailed information as shown below.Comelit DEC0804 4 Channel Professional Decoder - shown below

④ Modify the IP address. Click the information of the decoder listed in the above table to show the network information. Modify the IP address and gateway of the decoder and make sure its network address is in the same local network segment as the computers. Please modify the IP address of your device according to the practical situation.
Double click the decoder information in IP-Tool or directly enter the IP address in the web browser to access it. Here we take the IE client for example.Comelit DEC0804 4 Channel Professional Decoder - shown below1

Username: The default username is admin.
Password: The default password is 123456.
Enter the default username and password and then click [Login].

Device Running Mode

3.1 Video Settings
In device running mode, video settings can be set. If the decoder is in platform running mode, please skip this chapter.
Note: The decoder runs in platform mode by default. Video and decoding settings cannot be configured in this mode. If you want to manage videos by your local device, please switch the running mode to device mode (See Basic Settings).
3.1.1 Video Management
Go to Video Settings→Video. Then clickComelit DEC0804 4 Channel Professional Decoder - shown below2 to add videos.

Comelit DEC0804 4 Channel Professional Decoder - Video Management

Videos can be quickly added or manually add through the above interface.
Quickly Add: Click [Refresh] to search video devices (like IPC, DVR, NVR, etc.) in the same local network. Select the desired video devices and then enter the username,  password, and channel number of the devices. Then click [OK] to save the settings.
Manually Add: Click the “Manually Add” tab to add the video devices manually.Comelit DEC0804 4 Channel Professional Decoder - Video Management1

Users can add IPC, NVR, and DVR of our company or the video devices supporting ONVIF or RTSP protocol. Please select as needed. Then enter the corresponding IP  address, port, channel number, username, and password.
Modify the information of a video device: ClickComelit DEC0804 4 Channel Professional Decoder - icon behind the channel number to change the IP address, channel number, username, and password.Comelit DEC0804 4 Channel Professional Decoder - Video Management2

Delete videos: ClickComelit DEC0804 4 Channel Professional Decoder - icon1 to delete the added videos.
3.1.2 Video Group Settings
Go to Video Settings→Video Group. Then clickComelit DEC0804 4 Channel Professional Decoder - shown below2 to assign channels for the desired group.

Comelit DEC0804 4 Channel Professional Decoder - Video Management3

Enter the group name, select the dwell time and then check videos. After that, click [OK] to save the settings.
ClickComelit DEC0804 4 Channel Professional Decoder - icon to modify the added group; clickComelit DEC0804 4 Channel Professional Decoder - icon1 to delete the added group.

3.2 Decoding Settings
In device running mode, decoding settings can be set. If the decoder is in platform running mode, please skip this chapter.
3.2.1 Plan Settings
Click Decoding Settings→Plan to go to the plan settings interface as shown below. Set the screen display mode and then drag a video to a window to decode the video.Comelit DEC0804 4 Channel Professional Decoder - fig

Local input: Input the video source through HDMI IN interface in the real panel and then drag input-0 to a window to bind the input-0 and the monitor in the plan settings interface as shown below.Comelit DEC0804 4 Channel Professional Decoder - fig1Video group view: Drag a video group to a window and then videos in this group will be decoded in this window one by one according to the preset dwell time (See 3.1.2 Video Group Settings for details).

Comelit DEC0804 4 Channel Professional Decoder - fig2

Descriptions of the buttons:

Comelit DEC0804 4 Channel Professional Decoder - icon3: 1/4/9/16/25/36 screen display mode
Comelit DEC0804 4 Channel Professional Decoder - icon5: Enable or disable Picture-in-Picture mode
Comelit DEC0804 4 Channel Professional Decoder - icon4: Clear all video displays.
Comelit DEC0804 4 Channel Professional Decoder - icon6: Merge screens
Comelit DEC0804 4 Channel Professional Decoder - icon7: Split a screen
Comelit DEC0804 4 Channel Professional Decoder - icon8: Save a plan
Comelit DEC0804 4 Channel Professional Decoder - icon9: Create a plan
Comelit DEC0804 4 Channel Professional Decoder - icon10: Exit all full screen.
Comelit DEC0804 4 Channel Professional Decoder - icon11: Start auto-switch.

PIP (Picture-in-Picture): After enabling the PIP function, click the left mouse on a window and drag it to draw a rectangle, and then release it until the size of the rectangle meets your need. Next, drag the desired video to this rectangular window to decode.Comelit DEC0804 4 Channel Professional Decoder - fig3

Roaming: Drag the PIP window to anywhere of the current logic output. Then the location of the PIP window will be updated while the decoder is decoding the image of the  PIP window on a monitor.
Plan settings: There are two ways to set a plan.

① Drag videos to the left windows separately and then clickComelit DEC0804 4 Channel Professional Decoder - icon8 to save the plan.
② ClickComelit DEC0804 4 Channel Professional Decoder - icon9 to enter the plan name and then drag videos to the left windows separately.
After that, clickComelit DEC0804 4 Channel Professional Decoder - icon8to save the plan.
These saved plans will be listed on the plan list as shown below.Comelit DEC0804 4 Channel Professional Decoder - fig4

Click a plan to quickly call up this plan. Choose the dwell time and then clickComelit DEC0804 4 Channel Professional Decoder - icon11to view these plans in sequence.
Merge screens: Press Ctrl, select two output screens or four output screens and clickComelit DEC0804 4 Channel Professional Decoder - icon6to merge these two or four screens.
Comelit DEC0804 4 Channel Professional Decoder - fig5

Split a merged screen: Select a merged screen and then click Comelit DEC0804 4 Channel Professional Decoder - icon6to split this screen. Comelit DEC0804 4 Channel Professional Decoder - fig6

Full Screen: In multi-display mode, select a window that is decoding video and then right-clicks on it to pop up a menu as shown below. Select “Full Screen” and then this window will display on full screen.

Comelit DEC0804 4 Channel Professional Decoder - fig7

Exit Full Screen: Right-click on the full screen to exit full-screen mode.
Exit All Full Screen: If there is one or more than one output in full-screen mode, clickComelit DEC0804 4 Channel Professional Decoder - icon10 to make all outputs exit full-screen mode.
Main Stream/Sub Stream: The main/sub-stream can be switched by right-clicking on the window which is decoding the video.
3.2.2 Output Settings
Go to Output Settings→Output interface as shown below.

Comelit DEC0804 4 Channel Professional Decoder - Output SettingsDrag the output in the right output list to the window so as to bind the output to the window.
If the decoder is set as “Master” in device running mode and many general decoders are added to this decoder, the output list will appear with four or more four outputs. Thus,  users need to click “Set” to customize the output layout as shown below.

Comelit DEC0804 4 Channel Professional Decoder - fig8

Please enter the number of rows and columns displayed on the screen. The number ranges from 1 to 10.
3.3 Device Settings
3.3.1 Upgrade Settings
To upgrade the decoder, please go to Device Settings→Upgrade.

Comelit DEC0804 4 Channel Professional Decoder - decoder

Click [Browse] to select the path of the upgrade files and then click [Upgrade] to upgrade the decoder. Please do not disconnect the device when upgrading. And the device will reboot automatically after finishing upgrading.
3.3.2 Reboot Settings
The device can be restarted manually by clicking Device Settings→Reboot.Comelit DEC0804 4 Channel Professional Decoder - Reboot 1

3.3.3 Reset Settings
The system can be restored to the default settings by clicking [Reset] in the following interface (Device Settings→Reset).
Comelit DEC0804 4 Channel Professional Decoder - Reboot

3.3.4 Affiliation Settings
Go to Device Settings→Affiliation. Comelit DEC0804 4 Channel Professional Decoder - Affiliation

Click [Refresh] to automatically search the decoders in the same local network. When the decoder is set as “Master”, other searched decoders set as general decoders can be added into this master decoder and governed by it.
Click “+” to add the decoder. Click “Add All” to add all searched decoders. Click Comelit DEC0804 4 Channel Professional Decoder - icon12to delete the added decoder.
In this interface, you can view the status of the added decoder, including “online”, “offline”, etc.

Note: ①The added general decoders cannot add other general decoders.
② The master decoder cannot be added to other master decoders.
③ The added general decoder which is working cannot be added to other master decoders.

3.4 System Settings
3.4.1 Basic Settings
In the basic settings interface, the running mode and user permission can be set up. Device information can be viewed here too, like MAC address, device type, software version, and so on. Go to System Settings→Basic.

Comelit DEC0804 4 Channel Professional Decoder - Basic Settings

Running Mode: Device mode and platform mode are selectable. The default running mode is platform mode. To switch the running mode to the device, select “Device” and click [Apply].
Then the running mode will be switched successfully after reboot.
In device mode, video and decoding settings can be configured.
User Permission: If “General” is selected, the running mode cannot be changed.
3.4.2 Display Settings
The resolution and video format of monitors can be set up by choosing Display settings→Display.

Comelit DEC0804 4 Channel Professional Decoder - Display Settings

Draw Border: If “ON” is selected, a red box will flash on the window once triggering alarms in platform running mode.
Show Window ID: If “ON” is selected, the window ID will appear on the decoding window in platform running mode.
3.4.3 Time Settings
Go to System Settings→ Time. In this interface, the time zone and the system time can be set up.

Comelit DEC0804 4 Channel Professional Decoder - Time Settings

3.4.4 Network Settings
Click System Settings→Network to go to the network settings interface as shown below.

Comelit DEC0804 4 Channel Professional Decoder - Network Settings
IP Address: In device mode, this IP address must be in the same local network segment as The IP address of the computer used to log in to the web client.
Subnet Mask: The default value is 255.255.255.0.
Gateway: In device mode, it must be the same as the gateway of the computer used to log in to the web client.
Data Port: The default number is 8888. This port shall be used when you want to add this device to a surveillance platform (like CMS/NVMS).
HTTP Port: The default number is 80. It is recommended to change (for example 81). This port is used to log in to the Web client (for example http://192.168.1.201:81).
3.4.5 User Settings
Click System Settings→ User to enter the user settings menu.
Comelit DEC0804 4 Channel Professional Decoder - ClickUsername: The default username is “admin”.
Current Password: The default password is “123456”.
It is necessary for you to set your new password here if this is your first login and then confirm and apply it. Next time, you can use your new password to log in.
3.4.6 Backup Settings
Go to System Settings→Backup.
Comelit DEC0804 4 Channel Professional Decoder - Backup

Export Settings: Click [Browse] to select the path of the files you want to export and then click [Export].
Import Settings: Click [Import] to select the path of the files you want to import and then click [Import].
3.4.7 Alarm Settings
Go to System Settings→Alarm.Comelit DEC0804 4 Channel Professional Decoder - Alarm Input

Alarm Input Setting:
① Enable an alarm input, set holding time, and check “Config” to select the linkage output.
Comelit DEC0804 4 Channel Professional Decoder - holding

② Check the desired output and clickComelit DEC0804 4 Channel Professional Decoder - icon13to add. Then click “OK” to save the settings.
③ Click “Apply” to save the settings.
Alarm Output Setting: Select the holding time of the alarm output. Then click “Apply” to save the settings.

Platform Running Mode

When a surveillance platform (like CMS/NVMS) is used to manage your decoder, you shall change the running mode of the decoder to Platform mode. Go to System Settings→Basic.

Comelit DEC0804 4 Channel Professional Decoder - PlatformChange the running mode to Platform mode in the above interface and then click [Apply] to save the setting. Then the running mode will be switched successfully after reboot.
User Permission: Master and general are optional.
Master: In platform mode, the master decoder can be connected to a surveillance platform via network and it can also manage general decoders.
Note: A maximum of 63 general decoders can be added to a master decoder.
General: In platform mode, the general decoder cannot be directly added to a surveillance platform. It only can be added to a master decoder.

4.1 Affiliation Settings
Go to Device Settings→Affiliation. The setting steps are the same as the affiliation settings of the device running mode.
4.2 Network Settings
Go to System Settings→Network. Comelit DEC0804 4 Channel Professional Decoder - network segment
IP Address: In platform mode, this IP address must be in the same local network segment asthe authentication server (the authentication server is a part of NVMS).
Subnet Mask: The default setting is 255.255.255.0.
Gateway: In platform mode, it must be the same as the authentication server.
Data Port: The default number is 8888. This port shall be used when you want to add this device to a surveillance platform (like CMS/NVMS).
HTTP Port: The default number is 80. It is recommended to change (for example 81). This port is used to log in Web client (for example http://192.168.1.201:81).
4.3 Other Settings
In platform mode, the operations of the upgrade, reboot, restoration, basic settings, time settings, user settings, alarm settings, and backup are the same as the operations of the above-mentioned items in device mode. Please see the relevant chapter for details.
4.4 Connect to Platform
Only when the decoder is set to platform running mode and master user permission, can it be connected by a surveillance platform. Here we will introduce how to connect to  NVMS as an example.
① Log in to the monitor client of the platform system and then go to the “Add, Edit or Delete Device” interface to add decoders as shown below.
Comelit DEC0804 4 Channel Professional Decoder - monitor client

② In the above interface, select “Decoder” and then click [Add] to add decoders.
③ Click [Refresh] to quickly search devices in the same local network. Check the device, enter the username and password of it and allocate the transfer server, storage server, and area for it.
④ Click [OK] to save the settings.
⑤ Check the connection status of the decoder. If the decoder is added successfully, the online status will appear. Then the output can be configured by means of the TV wall management system of the NVMS (see NVMS user manual for more details).

Specifications

OSEmbedded Linux
Compression FormatH.265 HP/MP/BP、H.264 HP/MP/BP
Video-InputHDMI×1: 1920×1080 / 1600×1200/1680×1050/1440×900/1400×1050/1366×768/ 1280 ×1024/1280×960/1280×800/1280×720/1152×864/1024×768/800×600
 Video OutputHDMI×4:3840×2160(odd number ports supported) /1920×1080/1280×1024 VGA×4: 1920×1080/1280×1024        BNC×4:CVBS output
Frame Rate1-50FPS/CH (PAL),1-60FPS/CH (NTSC)
Decoding Resolution8MP, 5MP, 4MP, 3MP, 1080P, 960P, 720P, WD1, D1, CIF
Decoding Capability8CH 8MP@30fps or 16 CH 4MP@30fps or32CH or 1080P@30fps or 64CH 720P@30fps
Screen display mode1/4/9/16/25/36
Screen Splicing mode1×2, 2×1, 2×2
Audio outputRCA×4
TalkbackAudio input ×1, audio output×1,3.5mm audio interface(2.0Vp-p,1KΩ)
Network interfaceGigabit Ethernet port ×2, load balancing, and hot standby
Alarm interfaceAlarm input ×8; alarm output ×8
Serial PortsRS485×1, RS232×1
USB interfaceUSB3.0×1, USB2.0×1
Power SupplyDC12V
Power Consumption40W
Dimensionsmm380 ( W ) × 268 ( D ) × 45 ( H )
Weight2 KG
Working EnvironmentTemperature: -20℃~50℃;
RH Humidity: 5%~95%(non-condensing)

Comelit - logoVia Don Arrigoni, 5 24020 Rovetta (BG) – Italy
www.comelitgroup.com

Documents / Resources

Comelit DEC0804 4-Channel Professional Decoder [pdf] User Manual
DEC0804 4-Channel Professional Decoder, DEC0804, 4-Channel Professional Decoder, TD2304

References

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