Steps
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Unlock the frame by turning the locking screws counter-clockwise. 
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Slide the e355 downward until it locks in place. 
- 
Secure the device by turning the locking screws clockwise. 
Attach the terminal to the frame to allow for easy connection to a tablet.
Unlock the frame by turning the locking screws counter-clockwise.
Slide the e355 downward until it locks in place.
Secure the device by turning the locking screws clockwise.