ROAMING AND SYSTEM OPERATION
There are generally two types of cellular systems serving any met- ropolitan area. One of these will most likely be operated by the telephone company that provides telephone service to your com- munity, generally referred to as a wireline carrier. The other Cellular Service Provider is a radio common carrier, referred to as a
Your Cellular Service Operator will provide information concern- ing specific features, procedures, and coverage in your particular area.
S e r v i c e A r e a
The area within which the telephone operates is defined by your Cellular Service Provider. Since this is a radio system, no exact boundaries (as on a map) can be drawn. The red NS (No Service) lights if you are beyond range of a service area. There may be locations within your area, such as tunnels and underground parking facilities where the unit may act as if it were beyond range.
W e a k S i g n a l A l e r t
If you are called while in a location the system determines is inadequate for high quality service, you may hear a series of beeps to inform you of the call attempt. The caller will receive the recorded “Not in Service” message, CALLappears in the display, and the green on indicator flashes quickly. If this occurs, you must press Ç before the unit will operate. Most systems do not impose
NOTE: This indicator is controlled through the initial programming of your phone. Refer to the Programming Guide for more details.
R o a m i n g
The term “Roaming” applies to the use of cellular telephones within sys- tems other than those designated as their “Home” system. RM (Roam) lights whenever the unit comes within range of a visited system. As your phone begins to roam, it seeks service according to the conditions you have selected.
Slow flashing of RM (Roam) signals that your phone unit is accessing a home type system, while rapid flashing indicated the unit is attempting connection through a
ROAMING AND SYSTEM OPERATION
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