81ENFrequently-used options and customization (Custom menus)3Button FunctionMENU c S [Button Function]See the table below for the functions that can be assigned. The options available vary frombutton to button.Button function items[;Function] / [RFunction]* 1 / [IFunction]* 1 / [GFunction] / [nFunction] ([DirectFunction]* 2 / [P]* 3 ) / [lFunction]* 4*1 Not available in n mode.*2 Assign the function to each of FGHI.*3 Choose the AF target.*4 Choose the function assigned to the button on some lenses.F Adjust exposure compensation.ISO Adjust ISO sensitivity.WB Adjust white balance.AEL/AFL AE lock or AF lock. The function changes according to the[AEL/AFL] setting. When AEL is selected, press the buttononce to lock the exposure and display [u] on the monitor.Press the button again to cancel the lock.R REC Press the button to record a movie.Preview Aperture is stopped down to the selected value while thebutton is pressed.k The camera measures white balance when the button ispressed (P. 51).P Choose the AF target.P Home Pressing the button selects the AF target position savedwith [P Set Home] (P. 73). The home AF target position isindicated by a p icon. Press the button again to return toAF target mode. If the camera is turned off when the homeposition is selected, the home position will be reset.MF Press the button to select manual focus mode. Press thebutton again to restore the previously selected AF mode.RAWK Press the button to toggle between JPEG and RAW+JPEGrecord modes.Test Picture Pictures taken while the button is pressed are displayed in themonitor but are not recorded to the memory card.Myset1 – Myset4 The settings switch to the registered Mysets while the buttonis pressed.u Turn the monitor backlight on and off.