UpDown buttons :Select the following settings: Center-weighted average meteringSpot metering, PreviewAE Lock, ISO (DX setting override), Exposure compensation (in Manual operation).

• 向上向下按钮:选择以下的设置：中央偏重测光单点测光、预景深钮\\自动曝光锁定、ISO（DX 设置过量）、曝光补偿（自动操作）和快门速度（手动操作）