Sony PCS-1600 Operating Instructions Manual page 141

Symptom
Does not connect with
a remote party.
Still pictures or the
Phone Book cannot be
saved to the "Memory
Stick."
Cause
The terminal adaptor is not
turned on (if you have
installed an optional interface
board).
The remote party has not
been registered in the system
yet.
The write-protect tab on the
"Memory Stick" is set to
LOCK.
The "Memory Stick" has
already been recorded to its
full capacity.
Solution
Turn on the terminal adaptor.
Register the remote party. See
page 71.
Set the tab to write.
Use other "Memory Stick."
Appendix
141