9. IF YOU THINK THERE IS A FAILURE: (TROUBLESHOOTING)
Symptom  | Possible Cause  | Remedy  | 
  | 
  | 
  | 
Camera images are  | • The monitor’s power switch is not  | • Turn on the power switch.  | 
not displayed on the  | set to ON.  | 
  | 
monitor.  | • Cables are not correctly connected.  | • Connect correctly.  | 
  | • The BNC plug is not correctly  | • Solder correctly.  | 
  | soldered.  | 
  | 
  | • Power is not supplied to the  | • Switch on the power.  | 
  | camera.  | 
  | 
  | 
  | 
  | 
Pictures are not clear.  | • The lens is not properly focused.  | • Adjust the lens.  | 
  | • The lens is dirty.  | • Wipe the lens.  | 
  | • Monitor image black level is not  | • Adjust the level correctly.  | 
  | correctly adjusted.  | 
  | 
  | 
  | 
  | 
The color of the picture  | • The Adjustment switch is set to the  | • Set the Adjustment switch to the OFF  | 
periodically varies.  | ON position.  | position.  | 
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