HP 850 - Manual (Page 65)

Chapter 6: Adjusting the camera settings 65
Instant review
This Setup menu option allows you to
set how long Instant Review is
displayed on the active display after
you take a picture. This option also
allows you to turn Instant Review off.
The default setting is to display
Instant Review for 4 seconds.
For more information, see Using instant review on page 25.
Camera sounds
Camera sounds are the sounds that the camera makes when
you turn it on, press a button, or take a picture. Camera sounds
are not the audio sounds recorded with images or video clips.
This
Setup menu option allows you
to set the volume level of the camera
sounds, or turn camera sounds off.
The default
Camera Sounds setting
is Low .