C311M-L (1/05) 57
Symptom: No video or poor video
1. Check the video and power connections to the camera.
2. Check for power to the camera from the Esprit system camera power output.
3. Check all coax BNC connectors from the camera to the monitor.
4. Make sure the controller is set for the correct camera-to-monitor viewing combination; for example, Camera 1 to Monitor 1. Refer to
the controller manual for information.
5. Check for normal load termination of 75 ohms. When looping through VCRs or multiplexers, make sure the signal is terminated at the
end device. Some termination symptoms and problems are listed below.
Symptom Problem
Extremely bright video No termination or high resistance
Over contrast or contrast level of monitor needs to Double termination (37.5 ohms)
be increased to maximum for a good video image