MPMan PC24 Mode D'emploi page 13

6: Press the OK button to confirm the setting.
7: Press the MENU button to close the menu.
Menu item
Sounds
Auto Review
Power
frequency
Power save
There are four items for option:
[Shutter]: Set the shutter sound on or off by pressing the
joystick RIGHT.
[Start-up]: Set the start-up sound. Press the joystick
RIGHT to change the sound. There are four options:
[None] / [1]/ [2] / [3].
[Beep]: Set the operation sound on or off by pressing the
joystick RIGHT.
[Volume]: Adjust the sound volume. You can change it
by pressing the joystick RIGHT.
Adjust the review time after taking a picture. There are
three items for option: [Off]/ [1sec.]/ [3 sec.].
Light Frequency should be set to either 60Hz or 50Hz
depending on your region. [50HZ] / [60HZ].
To save power, the camera is turned off automatically
Function
12