Olympus C-3020 Zoom Reference Manual page 148

Custom Button (Cont.)
Setting limitations and Default settings (Custom button)
The setting for the Custom button differs depending on the shooting mode
concerned as shown below.
Mode dial
(Mode menu)
S-Prg
P
A/S/M/
* The functions that can be assigned to the Custom button are limited to
those listed in "Available Menu Items" on P. 146.
● The Custom button cannot be set separately for each mode.
● Using AE LOCK after setting a different function to the custom
button.
T AE lock cannot be used when a different function is set to the custom
button. Re-set AE LOCK to the custom button by following "Setting the
Custom Button" on P. 147.
148
Setting limitation
The AE lock button does not work
Any of the designated
functions can be assigned.*
TIPS
Factory default setting
in the S-Prg mode.
AE lock