Questions

Frequently asked questions on CCTV are:

  • How can you incorporate Human Factors into the design process of a CCTV control room?
  • What analyses can be made, or are mandatory?
  • Is CCTV work just looking at screens or are there distinct tasks to be aware of?
  • What are the components of a CCTV system, both technical and informational?
  • How can a large number of images be structured in order to reduce workload and improve efficiency?
  • What is the maximum number of images an operator can handle?
  • What is the maximum duration of monitoring tasks?
  • What are the effects of camera lenses (focal length, angle of view)?
  • What to check when deciding on camera locations?
  • How to arrange a control room considering the tasks of the operators?
  • What are optimal angles of view in the control room, and the field of view?
  • How important is Situation Awareness, do you have to be familiar with the environment?
  • What is an acceptable image quality?
  • How to handle and control the images, what are principles for the control dialogue?
  • If graphics and texts are used in the dialogue, how should these be designed?

The guidelines address these questions. However, they are not yet final guidelines. In the future, stronger evidence will be collected in practice on these guidelines and new guidelines will be added.