The preferences can either be locked to guard against
accidental changes or unlocked when changes need to be made.
Step 1. Click the Preferences Tab on the right hand side of the
main AutoBracket dialog.
Step 2. Use the Lock/Unlock button located on the Preferences
View in the lower right corner of the dialog as shown below.
Notice that when the preferences are locked, the button displays the words
Unlock Preferences and the various preferences buttons are grayed out and
unavailable for use as shown below.
Notice that when the preferences are unlocked, the button displays the words Lock Preferences and the preferences buttons are available as shown below.