Canon PowerShot SX70 HS Digital Camera - Manual (Page 117)

Configuring Sound Recording Settings
Several sound recording settings are available.
1
[Sound recording]
z Adjusting the Recording Volume
When set to [Auto], the recording level (volume) is automatically adjusted
during recording. If you prefer to adjust the level manually to suit the scene,
change it to [Manual].
1
[Sound rec.] → [Manual]
2
[Rec. level]
z button → / buttons
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