37
8. BEFORE MAKING SERVICE CALL
Symptom
Items to be checked
No image
• Is power supplied correctly?
• Is the power switch on, and the power LED illuminated?
• Is the lens iris adjusted correctly?
• Are the camera and video cables connected correctly?
• Is the shutter mode set correctly?
• Is the monitor on, and in working condition?
• Is the image signal output mode set correctly?
Poor color
• Is the monitor adjusted correctly?
• Is the white balance of the camera adjusted correctly?
• Are the matrix color correction and chroma gain set correctly?
• Is the illumination sufficient?
Noise appears
• Is the camera cable connected securely?
"HEAD
COMPATIBILITY
ERROR"
is displayed
• Is the camera head that is connected compatible with the unit?