559
Appendix/Index
Error message
Cause and remedy
Page
Unable to set
during a call
session
Appears when you
try to change the
calling mode settings
or change the image
quality of video call
during a call. Set after
you end the call.
P.219
P.223
Unable to set
because you
are connected
to a network
other than
docomo's
Appears when you try
to change the calling
mode settings when
the network you are
connected to is not
docomo. Connect to a
docomo network.
P.219
Unable to
set due to no
signal
Appears when you
try to change the
calling mode settings
when you are out of
the service area. Set
in a place with good
reception.
P.219