Canon EOS C300 Mark II Instruction Manual page 194

Displaying the Status Screens
[Assignable Buttons 1/4] to [Assignable Buttons 4/4] Status Screens*
* In mode, [Assignable Buttons 1/3] to [Assignable Buttons 3/3].
194
1
2
3
Current functions of the assignable buttons (A 131)
1 On the camera's body
2 On the grip unit
3 On the monitor unit
(In mode only buttons 7 to 10)
4 On the optional RC-V100 Remote Controller
3
4