AT&T 1485 - Manual (Page 16)

Operating Range
This cordless telephone operates within the maximum power allowed by
the Federal Communications Commission (FCC). Even so, this handset and
base can communicate over only a certain distance — which can vary with
the locations of the base and handset,the weather, and the construction of
your home or office . For best performance, keep the base antenna fully
upright.
If you receive a call while you are out of range, the handset might not ring
— or if it does ring, the call might not connect when you press
.
Move closer to the base, then press to answer the call.
If you move out of range during a phone conversation, you might hear noise
or interference. To improve reception,move closer to the base.
If you move out of range without pressing
, your phone will be left “off
the hook.” To hang up properly, walk back into range, periodically pressing
.
Display Screen Messages (Handset and Base)
Screen Displays: When:
There is a call coming in.
The cordless handset is waiting for a dial
tone.
The cordless handset is in use.
The corded handset is in use.
The base is paging the handset.
There is a call on hold.
The battery needs to be recharged.
The battery needs to be recharged.
The cordless handset ringer is off.
The speakerphone on the base is in use.
The microphone on the base is mute.
The cordless handset is changing channel.
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