Camera Monitor Systems
FAQs, Tech Tips and Diagnostic Workflows
FAQ’s
Why is the monitor showing a blue screen?
A blue screen indicates there is no video signal on that channel:
- Check the correct channel is selected.
- Check the camera cable connections.
- Check the camera cables for damage.
What are the red and grey wires used for on the VSP-47A/VSP-57A socket?
The wires provide a looped circuit via the Truck & Trailer connectors VSP-47B/VSP-57B. This is generally used to control a camera switcher (VCS-020) to allow automatic selection of a trailer camera when the trailer is connected.
Please refer to the drawing of the VSK-50E here.
How can I troubleshoot my Select Monitor if it is Locked, has a Blue Screen, buttons are unresponsive, or is not powering up?
This guide will support you to troubleshoot issues such as:
- “Locking ” and “unlocking ” a Select Monitor.
- Blue Screen /No Signal , Troubleshooting.
- Unresponsive Buttons Troubleshooting.
- Monitor Not turning On.

