Sharp GX30 User Manual page 55

In the Case of No Available Memory
When the number of pictures that can be taken becomes
3 or less, the remaining shots indicator in the upper left
of the screen turns red. (The number of pictures that can
be taken is approximate.)
Even if the number of pictures that can be taken
becomes 0, you can continue to take and save pictures
until the message, "Memory full. Please delete some
data!" appears. After which, you can choose the
memory for saving the picture.
54 Camera
Meanings of Indicators in Digital Camera Mode
Remaining shots indicators
123 : Indicates the remaining number of
pictures that can be taken.
*** : Indicates the remaining number of
pictures that can be taken exceeds 999.
??? : Indicates a memory card is not inserted
or cannot be recognized by the phone.
(When "Memory Card" is selected for
the "Save New Pictures to" option)
--- : Indicates setting of "Save New
Pictures to" is "Choice".
Memory indicators (p. 51)
: Indicates the handset memory where the
pictures are saved.
: Indicates the memory card where the pictures
are saved.
Flash light indicators (p. 58)
Indicates when the flash light is turned on.
: Normal mode
: Macro mode
Delay timer indicator (p. 56)
: Indicates when Timer is set.