Casio WSD-F10 User Manual page 114

When the charge level drops below 5%
The watch will switch to current time display using the monochrome LCD
screen whenever its charge level drops below 5%, regardless of the currently
selected watch face type and display settings.
Display
Tapping the touch screen while
●
the monochrome LCD screen is
shown will switch to the color LCD
screen.
Even if a notification card is
●
displayed on the color LCD
screen, the display will switch to
the monochrome LCD screen
(which does not show the
notification card).
If a notification comes in while the
●
monochrome LCD screen is
displayed, the watch will not
vibrate and the monochrome LCD
screen (which does not show a
notification card) will remain
displayed.
EN-112
Operations