NEC VERSA 6220 User Manual page 122

Carefully turn over the keyboard and place it face down on the
6.
VersaGlide. Be careful not to twist or disconnect the keyboard cable.
7. Locate the dip switch block. Using a fine tipped object, change the Dip
Switch 1 setting to Off. (For other functions, set the appropriate switch
to the required setting. See "Setting Switches" for switch functions and
settings.)
Lifting the Keyboard
Positioning the keyboard
Using Your NEC Versa 4-55