Pentax Optio W10 Operating Manual page 83

Setting the Digital Zoom
The digital zoom is set to O (On) in the default settings. To take pictures
using only the optical zoom, set the digital zoom to P (Off).
1
Press the 3 button in A mode.
The [A Rec.Mode] menu appears.
2
Use the four-way controller (23) to select [Digital
Zoom].
3
Use the four-way controller (45)
to select O (On) or P (Off).
The selected setting is saved.
4
Press the 3 button halfway.
The setting is complete and the camera
returns to capture status.
Saving the Digital Zoom Function Setting 1p.103
The digital zoom function cannot be used in I, > or z mode.
Rec.Mode
2/3
0.0
EV Compensation
AF AF Setting
Movie
Interval Shoot
Digital Zoom
Exit
MENU
4
81