Binatone Eclipse Plus User Manual page 21

Displays when the answering machine is on.
Flashes slowly when there are new answering machine
message(s).
Displays when the handset is in speaker mode.
Turns on when confirmation of selection or programming is
available.
Turns on during phonebook editing mode to delete the last
digit.
Turns on during menu mode when you can return to the
previous state or previous step.
Turns on when the screen display is on.
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