Sharp PC-MR70 Manual page 74

Entering and Exiting the Setup Utility
1. Turn on the computer.
2. When <F2> to enter System Configuration Utility appears, press F2.
3. Change the desired settings.
4. In the Exit menu, select one of the exit methods, and press Enter.
5. When the message Save configuration changes and exit now? appears, select Yes
and press Enter. The system restarts.
Power management does not work when the Setup utility is open. Do
not close the cover.
To turn off the computer when the Setup Utility is open, press the
power switch.
Using the Setup Utility
To navigate through the different menus, you can use the following keys:
Space bar
On the items with
Moves the cursor from one menu to another.
Moves the cursor from one item to another in a menu.
Increases the numeric value or changes an item to the next
value.
Decreases the numeric value or changes an item to the
previous value.
mark:
Opens the sub menu.
Return to the previous menu.