Kaito electronic KA800 - Manual (Page 12)

9
LOCK SWITCH & USING THE BACKSTAND
LOCK SWITCH
Push the <Lock Switch> upwards with " " the key
symbol displayed on the screen to lock all buttons, push it
downwards to unlock all buttons.
USING THE BUILT-IN STAND
Extend the stand on the rear of the unit to make the unit
stand upright on the desk.