Key	Function
S	Select Adder at cursor
.	Deselect Adder at cursor
A	Select All Adders
D	Deselect All Adders
C	Toggle Crate Selection
L	Toggle Left Column Selection
R	Toggle Right Column Selection
<right>	Move right one column
<left>	Move left one column
<down>	Move down to next line and crate
<up>	Move up to previous line and crate
Q or <return>	Exit Adder Test Selection Menu screen