Nikon D200 D200 User's Manual - Page 162

Custom Setting a9: Built-in AF-Assist Illuminator At the default setting of On, the built-in AF-assist illuminator lights to assist the focus operation when the subject is poorly lit ( 58). Select Off to turn the illuminator off. Custom Setting a10: AF-ON Button for MB-D200 Battery Pack This option controls the function assigned to the AF-ON button for the optional MB-D200 battery pack ( 181). Option Description AF-ON+ AF-ON button on battery pack performs same function as camera AF-ON Focus Area button. Focus area can be selected by pressing AF-ON button on MB-D200 (default) and rotating sub-command dial. AF-ON AF-ON button on battery pack performs same function as camera AF-ON button. AE/AF-L+ Focus Area AF-ON button on battery pack performs same function as camera AE-L/AF-L button. Focus area can be selected by pressing AF-ON button on MB-D200 and rotating sub-command dial. AE/AF-L AF-ON button on battery pack performs same function as camera AE-L/AF-L button. Focus Area Focus area can be selected by pressing AF-ON button on MB-D200 and rotating sub-command dial. Same as AF-ON button on battery pack performs function currently assigned to FUNC button camera FUNC. button using Custom Setting f4 (FUNC. Button; 170) Custom Setting b1: ISO Sensitivity Auto Control If On is selected for this option, the camera will automatically adjust ISO sensitivity when necessary to help ensure optimal exposure. This option is not available at ISO sensitivities over 1600. Setup Custom Settings High ISO NR ( 131) Noise is more likely to appear in photographs taken at higher sensitivities. To reduce noise at sensitivities of ISO 400 equivalent and above, turn on the High ISO NR option in the 152 shooting menu.