317Choose U Face detection on to enable face detection whenshooting portraits with matrix metering during viewfinderphotography (0 114).When calculating exposure, center-weighted metering assignsthe greatest weight to a circle in the center of the frame. Thediameter (φ) of this circle can be set to 8, 12, 15, or 20 mm or tothe average of the entire frame.Note that when a non-CPU lens is used, the area assigned thegreatest weight for center-weighted metering is equivalent to acircle with a diameter of 12 mm, regardless of the settingselected for Non-CPU lens data in the setup menu (0 229).A Show ISO/Easy ISOCustom Setting b4 (Easy exposure compensation) can not be usedwith Custom Setting d8 (ISO display and adjustment) > Show ISO/Easy ISO (0 325). Adjustments to either of these items reset theremaining item; a message is displayed when the item is reset.b5: Matrix MeteringG button ➜ A Custom Settings menub6: Center-Weighted AreaG button ➜ A Custom Settings menu
