Canon PowerShot V10 Vlog Camera (Black) - Manual (Page 249)

Communication/Multi-Access Button Function (in
Movie Mode)
The < > button can be assigned to frequently used Movie mode functions.
1.
Select [ : btn funct. (in mov. mode)].
2.
Select a function to assign.
Press the < > button to set it.
Note
To clear the function you have assigned, select [ btn funct. (in mov. mode) ]
from [ Other settings ] in [ : Reset camera ].
You can also change the setting by pressing and holding the < > button on the
movie recording screen.
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