Polycom SpectraLink 8002 Series - Manual (Page 7)

English 7
Status/Tone Indicators
No service message An alarm may sound and a descriptive
message displays when the handset cannot
receive or place calls. You may be outside of
the covered area. Walk back into the covered
area. The in-service tone indicates service is
re-established.
The signal strength icon indicates the strength
of the signal and can assist the user in
determining if the handset is moving out of
range.
The battery icon indicates the amount of
charge remaining in the Battery Pack. When
the empty battery displays, a beep may sound
to indicate the Battery Pack charge is low. You
have two minutes to change the Battery Pack
before losing power.
The voicemail icon indicates that you have a
new voicemail message.
The download icon displays when the handset
is receiving software over the air.