Pentax OptioV20 Operating Manual page 166

Changing the Sound Type
6
Use the four-way controller (23) to select [Start-up
Sound].
7
Press the four-way controller (5).
A pull-down menu appears.
8
Use the four-way controller (23) to select [1], [2], [3] or
[Off] and press the 4 button.
The selected sound type is saved.
9
Set [Shutter Sound], [Operation Sound] and [Self-timer
Sound] in the same way as in Steps 6 to 8.
10
Press the 3 button.
The setting is changed and the screen returns to the [W Setting] menu.
8
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