POMIACAM DCH122

POMIACAM DCH122 DVR Board User Manual

AHD 1CH 1080P Video Recording Motherboard

1. Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of the POMIACAM DCH122 DVR Board. This board is designed for industrial endoscope applications, offering versatile video input and output options. Please read this manual thoroughly before using the product to ensure proper functionality and safety.

2. Product Overview

2.1 Key Features

  • Supports CVBS, AHD, and TVI video formats (D1, 720P, 1080P).
  • Multiple output interfaces: HDMI, VGA, CVBS.
  • Audio input and output capabilities.
  • Remote control and UART/ADC key operation support.
  • PC keyboard access for OSD text editing.
  • Multi-language menu support.
  • Encoder support for cable distance measurement.
  • Photo and video recording functionality.
  • Adjustable media file names.
  • Image scaling (ZOOM) support.
  • U disk storage (SD card storage requires conversion circuit).
  • MP4 video file format support.
  • Adjustable image brightness, chromaticity, and contrast.

2.2 Board Components and Ports

The POMIACAM DCH122 motherboard features various ports and connectors for video, audio, power, and control. Refer to the diagram below for a visual representation of these components.

Diagram of POMIACAM DCH122 DVR Board with numbered ports
Figure 1-1: POMIACAM DCH122 Motherboard with labeled ports.

The following table describes the function of each numbered port shown in Figure 1-1.

Table describing the functions of numbered ports on the DCH122 DVR Board
Table 1-1: Port Descriptions for DCH122 Motherboard.
Table 1-1: Port Functions
NOFunction
1Audio input RCA terminal
2Video input RCA terminal
3J16 audio and video input, audio output, CVBS output
4J15 key, encoder interface
5J11 Power input terminal
6Power input interface
7MCU burning interface (used by the manufacturer)
8J4 UART interface and LED indicator interface
9USB port (for storage devices like USB flash drives)
10USB port (for PC keyboard or wireless keyboard receiver)
11Infrared remote control receiver
12Disk working indicator
13Record indicator light
14Audio output and CVBS output port
15Debugging interface (used by the manufacturer)
16HDMI output interface
17J17 VGA output terminal (R,G,B,HS,VS,GND)
1815PIN VGA output port

2.3 Package Contents

Verify that all items are present in the package:

Image showing the DVR board, remote control, and various connection cables included in the package.
Figure 1-2: Package Contents - DCH122 DVR Board, Remote Control, and Cables.
  • POMIACAM DCH122 DVR Board
  • Remote Control
  • Connection Cables (various types as shown)

3. Setup Instructions

Follow these steps to set up your DCH122 DVR Board:

  1. Power Connection: Connect a compatible DC 12V power supply to the Power Input Interface (Port 6).
  2. Video Input: Connect your AHD, TVI, or CVBS camera to the Video Input RCA Terminal (Port 2) or J16 (Port 3) as appropriate. Ensure the video format matches the board's capabilities (D1, 720P, or 1080P).
  3. Video Output: Choose your preferred display output:
    • HDMI: Connect an HDMI cable from the HDMI Output Interface (Port 16) to your monitor.
    • VGA: Connect a VGA cable from the 15PIN VGA Output Port (Port 18) to your monitor.
    • CVBS: Connect a CVBS cable from the Audio Output and CVBS Output Port (Port 14) to your display.
  4. Audio Connection: If using external audio, connect your audio source to the Audio Input RCA Terminal (Port 1) or J16 (Port 3). Connect speakers or an audio receiver to the Audio Output and CVBS Output Port (Port 14) for audio playback.
  5. USB Devices: For storage, insert a USB flash drive into one of the USB ports (Port 9). For OSD text editing, connect a PC keyboard or a USB wireless keyboard receiver to the other USB port (Port 10).
  6. Remote Control: Ensure the Infrared Remote Control Receiver (Port 11) is unobstructed for proper remote operation.

4. Operating Instructions

4.1 Main Menu Navigation

Upon powering on the device, the main menu will be displayed on your connected monitor. Use the remote control or a connected PC keyboard to navigate through the options.

Screenshot of the main menu interface with options for Video, Photo, System, Image, and Record.
Figure 1-3: Main Menu Interface.

4.2 Video Recording and Playback

To record video, select the 'Record' option from the main menu. Ensure a USB storage device is connected. To view recorded videos, select the 'Video' option. The playback interface allows you to review your recordings.

Screenshot of the video playback page showing a recorded video with timestamp and playback controls.
Figure 1-4: Video Playback Page.

4.3 OSD Text Editing

Connect a PC keyboard to the USB port (Port 10) to access and edit On-Screen Display (OSD) text. This feature allows for real-time editing of information displayed on the screen.

4.4 System Settings

Access the 'System' menu to configure various settings such as language, time, date, and other system parameters. The 'Image' menu allows adjustment of brightness, chromaticity, and contrast.

5. Maintenance

  • Keep the DVR board in a clean, dry environment, away from dust and moisture.
  • Avoid exposing the board to extreme temperatures or direct sunlight.
  • Periodically check all cable connections to ensure they are secure.
  • Do not attempt to repair the board yourself. Refer to qualified personnel for service.
  • Ensure proper ventilation around the board to prevent overheating.

6. Troubleshooting

If you encounter issues with your DCH122 DVR Board, refer to the table below for common problems and solutions.

ProblemPossible CauseSolution
No video outputIncorrect video cable connection; Monitor input not selected; Power issue.Check all video cable connections (HDMI, VGA, CVBS). Ensure the monitor is set to the correct input source. Verify power supply is connected and functional.
No recordingNo USB storage device connected; USB device full or corrupted; Recording not initiated.Connect a compatible USB flash drive. Check available storage space. Format the USB drive if necessary (this will erase all data). Ensure recording is manually started or scheduled.
Remote control not workingBatteries low or dead; Obstruction to IR receiver; Remote out of range.Replace remote control batteries. Ensure no objects block the Infrared Remote Control Receiver (Port 11). Operate the remote within effective range.
Poor image qualityIncorrect video format setting; Cable quality; Camera issue.Verify the camera's video format (AHD, TVI, CVBS) and resolution (D1, 720P, 1080P) are compatible and correctly configured. Use high-quality video cables. Check the camera for proper function.

7. Specifications

FeatureDetail
Model NameDCH122
Product Dimensions6.1 x 5.91 x 1.97 inches
Item Weight8.8 ounces
Video Input FormatsCVBS, AHD, TVI (D1, 720P, 1080P)
Video Output InterfacesHDMI, VGA, CVBS
AudioInput and Output
Storage SupportU disk (USB flash drive)
Video File FormatMP4
Control MethodsRemote Control, UART, ADC Key, PC Keyboard
Compatible DevicesPersonal Computer (for keyboard input)
ManufacturerPOMIACAM

8. Warranty and Support

8.1 Warranty Period

The POMIACAM DCH122 DVR Board comes with a 12-month warranty period from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use.

8.2 Technical Support

For any questions, technical assistance, or warranty claims, please contact POMIACAM customer support. You can also request customization of the startup screen by contacting us via email.

Email: sales09@autopvision.com

© 2023 POMIACAM. All rights reserved.

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