Sony ECM-680S M/S Stereo Shotgun Microphone - Manual (Page 129)

Help Guide
Smartphone
Xperia PRO XQ-AQ52/XQ-AQ62
Different ways to use the volume key
You can change the way you use the volume key.
Volume key settings
Zoom : Use the volume key to zoom in or out.
Volume : The volume key is deactivated for the camera.
Shutter : Use the volume key as a shutter button for photos and videos.
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While using the camera, tap (Settings icon). 1
Tap [Use Volume key as] and select an option.
The setting is saved.
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