Pentax WG-10 Operating Manual page 114

The shooting mode and drive mode cannot be changed while the \
indicator is displayed.
To switch from \ to another focus mode, press the four-way controller
(5) while the \ indicator is displayed.
Changing the Focusing Area (= area)
You can change the autofocus area (Focusing Area).
3
J Multiple
Spot
K
W Automatic Tracking AF
1
Press the 3 button in A mode.
The [A Rec. Mode] menu appears.
2
Use the four-way controller (23) to select [AF Setting].
3
Press the four-way controller (5).
The [AF Setting] screen appears.
4
Use the four-way controller (23) to select [Focusing
Area].
5
Press the four-way controller
(5).
A pull-down menu appears.
6
Use the four-way controller (23) to change the
Focusing Area.
7
Press the 4 button.
The setting is saved.
112
Normal autofocus area
The autofocus area becomes smaller.
Keeps moving subjects in focus.
MENU
AF Setting
Focusing Area
Auto Macro
Focus Assist
Cancel OK
OK