HTC One M9 - Manual (Page 160)

Camera and Video 147
Choose a Flash Mode
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On the Viewfinder screen, tap the flash icon to choose a flash mode.
When using Flash on or Auto flash mode, the camera intelligently sets the best flash brightness for
your photo.
Use the Volume Buttons for Taking Photos and Videos
If you feel much comfortable with using push-buttons when taking photos and videos, you can set
your phone to use the Volume buttons as the Camera app's shutter release or zoom controls.
1. On the Viewfinder screen, tap to show the camera options.
2. Tap > General settings > Volume button options.
3. Choose how you want to use the Volume buttons when you're in the Camera app.
Tip: When in Zoe™ camera mode, you can press and hold either Volume button to take burst
shots with a 3-second clip or record a longer video.
Close the Camera App
To give you a full view of the Viewfinder screen, your phone replaces , , and with small
dots.
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Tap a dot to show these buttons again, and then tap or to close the Camera app and
return to the Home screen or the previous screen.
Take a Picture
Whether it’s moving or not, clearly capture any moment with your phone’s camera.