Clarity C4230 用户手册

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页码 47
42
The unit will not operate / no dial tone:
 
•  Verify the AC Adapter is securely plugged into AC outlet, the  
 
  base and the telephone.
 
•  Verify the telephone line cord is securely plugged into the wall    
 
  jack and the telephone.
 
•  Make sure the battery has been placed in the battery compart-   
 
  ment correctly. (The circular metal contacts on battery need  
 
  to touch the metal springs inside battery compartment.)
 
•  Make sure the handset battery is fully charged.
 
•  Verify the telephone is in the correct dialing mode tone (touch)    
 
  or pulse (rotary).
 
•  Make sure you are in the usable range of the base station.
The phone does not ring when you receive a call:
 
•  Make sure the RINGER switch on the handset and base are  
 
  set to ON.
 
•  Verify the AC Adapter is securely plugged into the AC outlet,  
 
  the base and the telephone.
 
•  Verify the telephone line cord is securely plugged into the  
 
  wall jack and the telephone.
 
•  Make sure you are within the usable range of the base station.
 
•  You may have too many extensions on your line. Try unplugging  
 
  a few devices.
Noise, Static, Interference or Other Calls Heard while  
Using the Handset:
   •  Make sure you are within the usable range of the base station.
 
•  Make sure the handset battery is fully charged.
 
•  Try relocating the base unit to another location.
 
•  Make sure the AC Adapter is not plugged into the wall outlet  
 
 
  with other appliances.
TROUBLESHOOTING