Pentax ist DL User Manual - Page 102

100 [A Custom] Menu Setting Items Menu Reference Set custom functions to fully use the functions of a SLR camera with the Custom Function Menu. The default setting does not use Custom Function. [A Custom] menu settings are activated when [Setting], the first item, is O (on). Item Function Page Setting Set to use the Custom Function Menu. - Noise Reduction Set to use Noise Reduction in slow speed shooting. - 4 Expsr Setting Steps Set the adjustment steps for exposure. ISO Corction in Set sensitivity range to automatically correct AUTO when Sensitivity is set to [AUTO]. p.142 p.115 ISO Snstvty Wrn Dspl Set the maximum sensitivity level. ISO Sensitivity Warning Display appears when exceeded. p.116 Link AF Point and AE Set to adjust AE and Focusing Area in multisegment metering based on AF point. p.131 Meter Operating Time Set the exposure metering time. p.132 AE-L with AF locked Set to fix exposure value when focus is locked. p.124 Recordable Image No. OK btn when shooting Set to switch number of recordable images in the LCD panel and viewfinder to number of continuous shooting recordable images when shutter release button is pressed halfway. Set the action for the 4 button when pressed during shooting. - p.120 p.121 AE-L bttn on M expsr Select the exposure adjustment method when the L button is pressed in a (Manual) mode. p.140 Set to use Autofocus when shooting with remote control. Shutter releases after AF activates if shutter is AF in remote control released from remote control when [On]. Shutter - cannot be released until in focus. AF does not activate at shutter release from remote control when [Off].