Canon VIXIA HFM50 Quick Manual page 240

Playing Movies (during playback)
AVCHD movies:
MP4 movies:
F g External audio input (A 84)
F h Eye-Fi wireless communication
(A 160)
F j Scene number
F k Playback control buttons (A 56)
200
Additional Information
F l Data code (A 66, 189)
G q Volume and background music
balance controls (A 56, 83)
G a File number (A 192)
G s Volume controls (A 56)