Champion HC3 Quick Start Manual page 5

The yellow section is the system defaults, and the
functions of the 4 hotkeys are below:
F1: Start menu.
F2: Off.
F3: Camera.
F4: System main interface.
The other keyboard operation:
System Default
Press (Shift)
Press Caps
System defaults to the digital input method
,
.
Lowercase letters
Switch between / and -
*
#
Press (shift) again, it will be digital input
method
Capital letters
Switch between / and -
*
#
Press the Caps button again for lowercase
letters
4