Programming the Toolbox User Keys
When you select the TOOLS key 
on the front of the device case, you see a menu of User Programmable keys that have been pre-programmed for you with often used Tools.
Eventually you may discover that there are other Tools you would rather assign to these keys.
Assign a Tool to a Key in the TOOLS Menu
1. Select the TOOLS key twice to open the Toolbox.
2. Select the USER AREA MENU. 
Select More items.
3. Select the Modify User Keys option.
4. Select the key from the TOOLS menu that you want to change.
5. Select Enter Assignment.
6. Select the Del. Char. (Delete Character) to delete the current assignment.
7. Select INSERT TOOL. 
8. Select the Tool you want to use. TIP: The keys are in alphabetical order. Use More Items and Previous Items to move through the pages.
9. Now you change the key’s Icon, Label and/or Key Color if you want to.
10. When you are finished, select OK to save your work and exit the menu.
NOTE: If you make a mistake, select Clear Key Contents and start over.