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