In list boxes you can use some keys, such as á and â, in the same way as you would in regular fields. To select a value from a list box by using the keyboard, use the following keys and keyboard shortcuts:
Action  | 
Press  | 
Open the list box to select a value  | 
ALT+á  | 
or:  | 
ALT+â  | 
With the pick list open:  | 
  | 
Browse the data  | 
á â  | 
or:  | 
PAGE UP, PAGE DOWN  | 
or:  | 
HOME, END  | 
Choose a value  | 
ENTER  | 
or:  | 
ALT+á  | 
or:  | 
ALT+â  | 
Choose a value and jump to the next column  | 
TAB  | 
Choose a value and jump to the previous column  | 
SHIFT+TAB  |