Pentax Optio 555 User Manual
Page 34

32
Co
mmo
n Oper
atio
ns
3
6
Playback button
Switches to Playback mode. (
1
p.33)
7
Four-way controller (
45
)
Changes the EV compensation in modes other than
a
and
O
.
(
1
Changes the shutter speed in
a
mode. (
1
8
Four-way controller (
23
)
Adjusts the focus in
z
mode. (
1
p.41)
Sets the aperture value in
a
and
c
mode. (
1
Sets the shutter speed in
b
mode. (
1
p.55)
Selects the type of filter in
D
mode. (
1
p.70)
Selects Picture mode in
d
mode. (
1
9
OK button
Sets the selected menu item. (
1
When pressed in
z
mode, the function on the four-way controller
(
23
) reverts to the function set by the mode dial.
10
Display button
Changes the information displayed on the LCD monitor. (
1
11
Menu / Fn button
Displays the active menus in Capture mode and retrieves the
functions registered on the four-way controller. (
1