Gruba instrukcja - poprostu wszystko co potrzreba - polecam .
Tekstowy podgląd strony 86 (kliknij aby zobaczyć)
Setting sounds
You can adjust the volume level of the system sounds, alarm sounds, and game sounds or turn the sounds off completely.
1 2
Tap the arrow V in the top right-hand corner of the Preferences screen and select General.
The General Preferences screen is displayed.
Tap the arrow V next to System Sound and select the desired volume level or Off.
When the System Sound is turned off, the chime tones associated with the HotSync® operation are also turned off.
3 4
Tap the arrow V next to Alarm Sound and select the desired volume level or Off. Tap the arrow V next to Game Sound and select the desired volume level or Off.
The Game Sound setting is only applied to the games programmed to respond to this setting.
Customizing your Sony CLI�� handheld (Preferences)