Fusion 640t issue

G'day all,
i have just purchased a Multiplex 6100y with Fusion 640 control. Finally got it powered up and wont even boot to windows. It's asking to either press F1 or F10. Unfortunately i cant find anywhere that i can plug a keyboard in. It doesn't have the keyboard or mouse option installed and there are no ports in or around the back of the controller or screen. Any ideas from the brains trust??

Cheers Bob

Check battery. Normaly if battery is really exhausted, then the CMOS paramters are also lost.