This course provides students an overview of video surveillance devices, the common problems, and the frequency of occurrence. We’ll explore real-world issues that can occur at the monitor and potential causes and solutions.
After completing this course you will be able to:
- Explain the most common problems and how frequently they occur.
- Identify specific corrective actions to take based on the state of the output at the monitor.
- Describe a simple problem resolution procedure.
- Describe a ground loop, testing procedures, and ground loop isolation transformers.
- Explain how to test for proper termination.
- Video Surveillance Devices
- Determining the Problem
- Causes of Major Issues
- Simple Problem Resolutions
- Weak Video: Insufficient Lighting, Improper Termination, Improper cabling installation, Exceeded cable distance
- Backlight Compensation
- Impedance Switch
- Checking for Proper Terminations
- Choosing the Right Cable
- Interference Problems
- Basic Coaxial Specs
- Amplifiers and Distribution Amplifiers
- Distorted Video
- Testing for Ground Loops
Troubleshooting Systems Cont.
- Line Lock Synchronization
- Types of Power required by Cameras
- Low voltage – AC and DC
- Over Current Protection
- Benefits of Distributed Power Supply
- Distributed AC and DC
- Basic Monitor Setup
- Format of the camera
- Examples of Termination Using Connectors
- Procedure for Compression Seal BNC Connectors
- Auto Iris
- Power Considerations
- No Video
- Troubleshooting Recorders
- DVR NVR Troubleshooting
What to expect in this course: The presentation includes text, audio, graphics, videos and activities to help you absorb the information presented. This course has a short quiz at the end, which you will be required to pass with a 70% or greater to complete the course.