Sony SPP-A700 Mode D'emploi page 44

Troubleshooting (continued)
Counter message
The message counter on the base unit shows the following information.
When the counter shows
Number (0-19)
P
A
F
EN
44
Additional Information
It means
Number of messages not yet played back. The counter
shows up to 19 messages. After that, "19" flashes to tell
you that there are 20 or more messages.
Flashes when the day and time is cleared due to a power
interruption, or when you connect the base unit to the
AC outlet for the first time.
The announcement only mode is selected (page 24).
The recording area is full. Erase unnecessary messages
(page 25).