Samsung Galaxy J3 Emerge User Manual page 168

Review pictures: Set to show pictures after taking them.
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Quick launch: Open camera by pressing the Home key twice in quick succession.
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Storage location: Select the memory location for storage. This option only appears if an
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optional memory card (not included) is installed.
Volume keys function: Use the Volume key as the camera key, the record key, or as a
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zoom key.
Reset settings: Reset the camera settings.
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Apps and Entertainment Camera and Video 157