Casio IT-300 Series User Manual page 20

20 microSD Card Slot
Cover
21 Lock Switches
22 Battery Pack Cover
23 Reset Switch
24 microSD Card Slot
E-18
Slot a microSD card into here.
Used to lock the covers and to release.
Used to cover the battery compartment that holds the battery
pack inside.
Used to reset the Handheld Terminal.
microSD card slot.