Casio CASSIOPEIA EG-800 Service Manual And Parts List page 11

Card lock switch
If the inserted card has
a lock, this switch locks
the card in place so it
does not come out
accidentally.
Main battery
(rechargeable battery pack)
About the [Action] Control
Operations can be performed by pressing and rotating the [Action] control.
Pressing the [Action] control
performs an operation
similar to the Enter key of a
computer keyboard.
See Pocket PC online help for information about using the [Action] control with each
application. The text in the online help indicates an [Action] control press operation
as "Action," and an [Action] control rotate operation as "Up/Down control."
Battery lock
Rotating the [Action] control
performs operations similar to
the up and down arrow keys
of a computer keyboard.
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RESET button