Pentax OPTIO Optio 750Z Operating Manual page 130

Deleting Voice Memos Only
If an image has a voice memo, you can delete the voice memo without
deleting the image.
1
Enter the Playback mode and use the four-way
controller (45) to choose an image with a voice memo
to delete.
2
Press the i button.
The Delete screen appears.
3
Use the four-way controller (23)
to select [Sound Delete].
4
Press the 4 button.
The voice memo is deleted.
5
Select [Delete] in Step 3 above to delete both the image and the
voice memo.
Setting the Quick Delete Function
When the Quick Delete function is set to O(On), the Delete screen
appears with [Delete] already highlighted.
1
Press the 3 button in Playback mode.
The [Q Playback] menu appears.
2
Use the four-way controller (23) to select
[Quick Delete].
3
Use the four-way controller (45) to select O (On) or
P (Off).
4
Press the Q button.
The camera is ready to play back images.
Refer to Step 6 of "How to Use the Menus" (p.43) for other operations
after the setting has been made.
128
- -
1 0 0 0 0 1 7 1 0 0 1 0 0 0 0 1 7 0 0 1 7
Sound Delete
Delete Delete Delete
Cancel Cancel Cancel
All images & sounds All images & sounds All images & sounds
OK
OK OK OK