▪ AE lock (Reset on release)** – Enabling this function
causes AE (exposure) to lock on the last meter reading
when the Selected button is pressed once. It stays locked
until you press the Selected button again. Releasing the
shutter resets the AE Lock just like pressing the Selected
button a second time does. Setting this function disables
other functionality in the D300(S). Please see the** note
at the end of this section.
▪ AE lock (Hold)** – Enabling this function causes AE
(exposure) to lock on the last meter reading when the
Selected button is pressed once. It stays locked until you
press the Selected button again. In other words, the
Selected button toggles AE lock. This is similar to AE
lock (Reset on release) except that releasing the shutter
does not reset the AE lock hold. You must press the
Selected button again to release AE lock. Setting this
function disables other functionality in the D300(S).
Please see the** note at the end of this section.
▪ AF lock only – When set, this function locks the AF
system (focus) on the last autofocus reading while you
hold down the Selected button.
▪ AF-ON (Assign AE-L/AF-L button only) – If you set
AE-L/AF-L button press to AF-ON, then the AE-L/AF-L
button duplicates the functionality of the AF-ON button
and will initiate autofocus. AF-ON cannot be assigned to
the other two buttons (Fn and Preview). It doesn’t even
appear in their lists of functions.
▪ Flash off – This is a temporary way to disable the flash
for when you want to leave your flash turned on and still
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